NOTE: This DTC refers to USB port #2 on the APIM itself, which is not used.

NOTE: Network communication/message DTCs may result from intermittent concerns such as damaged wiring or low battery voltage occurrences. Additionally, vehicle repair procedures such as module reprogramming often set these DTCs. To avoid repeat network concerns, inspect for damaged or corroded wiring at the APIM . Test the vehicle battery, refer to Section 414-00 . Replacing a module to resolve a network DTC is unlikely to resolve the concern.

• A module does not respond to the scan tool

• Fuse
• Wiring, terminals, or connectors
• Module

• REFER to Section 418-00 .

• The FCIM backlighting does not operate correctly

• Illumination system concern
• FCIM

• REFER to Section 413-00 to diagnose the FCIM Illumination.

• The CD player is inoperative or does not operate correctly

• CD
• ACM

• INSPECT the CD for scratches, fingerprints, a loose paper label, incorrect format, or damage. INSERT a known good CD and TEST the system.
• If the system operates correctly, the concern was caused by a damaged CD.
• If the system does not operate correctly, INSTALL a new ACM . REFER to Audio Control Module (ACM) .

• The steering wheel controls are inoperative or do not operate correctly

• Refer to the Diagnostic Routine

• GO to Pinpoint Test D .

• The media hub is inoperative or has poor sound quality

• Refer to the Diagnostic Routine

• GO to Pinpoint Test E .

• The speed compensated volume does not operate correctly

• Refer to the Diagnostic Routine

• GO to Pinpoint Test F .

• The infotainment display is inoperative

• Refer to the Diagnostic Routine

• NOTE: The infotainment display is the RH IPC display screen.

GO to Pinpoint Test V .

• The audio system does not operate correctly from the FCIM

• Refer to the Diagnostic Routine

• GO to Pinpoint Test G .

• An individual switch in the FCIM is inoperative

• FCIM

• INSTALL a new FCIM . REFER to Front Controls Interface Module (FCIM) .

• The FDIM touchscreen is inoperative or does not operate correctly

• Refer to the Diagnostic Routine

• GO to Pinpoint Test J .

• The audio system displays “SD CARD FAULT”

• Refer to the Diagnostic Routine

• For vehicles with navigation, GO to Pinpoint Test R .
• For vehicles without navigation, GO to Pinpoint Test E .

• Poor reception — AM/FM

• Refer to the Diagnostic Routine

• GO to Pinpoint Test A .

• Continuous seek/scan — AM/FM

• Refer to the Diagnostic Routine

• GO to Pinpoint Test A .

• No sound from all speakers

• Refer to the Diagnostic Routine

• GO to Pinpoint Test C .

• Poor/distorted sound from all speakers

• Refer to the Diagnostic Routine

• GO to Pinpoint Test AM .

• Poor sound quality from one or more speakers (not all speakers)

• Refer to the Diagnostic Routine

• GO to Pinpoint Test AN .

• The LF A-pillar tweeter speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test K .

• The RF A-pillar tweeter speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test L .

• The LF door speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test M .

• The RF door speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test N .

• The LR door speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test O .

• The RR door speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test P .

• The instrument panel center speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test Q .

• The LR or RR D-pillar speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test AJ .

• The Subwoofer speaker is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test AK .

• Poor reception

• Refer to the Diagnostic Routine

• GO to Pinpoint Test B .

• Continuous seek/scan

• Refer to the Diagnostic Routine

• GO to Pinpoint Test B .

• Poor sound quality/no sound while in satellite radio mode — all other functions operate correctly

• Refer to the Diagnostic Routine

• GO to Pinpoint Test B .

• The satellite radio is inoperative, has poor reception or no sound

• Refer to the Diagnostic Routine

• GO to Pinpoint Test B .

• Navigation is inoperative

• Refer to the Diagnostic Routine

• GO to Pinpoint Test R .

• The SIRIUS® data services are not available in navigation mode

• Refer to the Diagnostic Routine

• GO to Pinpoint Test AH .

• All SYNC® Services features are inoperative or inaccurate (traffic, directions, and information)

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset, REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test X .

• The SYNC® system voice or tone prompts, Text-To-Speech (TTS) feature, or ringtones are inoperative or do not operate correctly

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset, REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test W .

• During a phone call, no incoming audio is heard in the vehicle

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset, REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test W

• Voice recognition is inoperative or does not operate correctly

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset, REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test T

• During a phone call, poor quality or no outgoing audio is heard on the outside device

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset, REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test T

• No sound from all SYNC® audio sources (Bluetooth, USB, audio input jack)

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset, REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test H .

• The SYNC® steering wheel switches are inoperative or do not operate correctly

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test D .

• All media hub functions are inoperative or do not operate correctly (USB ports, Secure Digital (SD) card, and RCA jacks)

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test E .

• The USB port(s) are/is inoperative or do/does not operate correctly

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset .REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test E .

• The Secure Digital (SD) card slot is inoperative or does not operate correctly

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test E

• The RCA jacks are inoperative or do not operate correctly

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test E

• Unable to pair Bluetooth device

• Refer to the Diagnostic Routine

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, GO to Pinpoint Test U

• An individual Bluetooth device feature is inoperative (text messaging, media playback or controls, phone book download, call history, or call waiting)

• Customer's device compatibility

• PERFORM the APIM Reset. REFER to Accessory Protocol Interface Module (APIM) Reset . If the concern is still present, INSTRUCT the customer to review the device compatibility list. REFER to www.syncmyride.com. It is normal operation for unsupported or incompatible Bluetooth features to be unavailable through the SYNC® system. If the inoperative feature is compatible, ADVISE the customer to check their device for firmware updates, and if required, reset their device following the manufacturer's instructions.

• 911 Assist™ or Vehicle Health Report (VHR) is inoperative or does not operate correctly

• Unregistered SYNC® owner account
• RCM misconfiguration
• IPC misconfiguration

• Verify that the customer has a SYNC® Owner Account on www.syncmyride.com. This error message appears due to incomplete or incorrect PMI procedures. CHECK the vehicle service history for recent service actions related to the IPC or RCM . If there have been recent service actions with the IPC or RCM , REPEAT/PERFORM the Programmable Module Installation (PMI) procedure as directed by the diagnostic scan tool. REFER to: Section 418-01 . If there have been no recent service actions, For diagnosing and testing please refer to the on-line Workshop Manual. If you do not have an on-line subscription, go to www.motorcraftservice.com.

• Operate the audio system in radio tuner (AM/FM) mode.
• Check the reception with the engine running, and with the engine off.
• Does the poor reception only occur with the engine running?

NOTE: If the engine is operated at greater than 2,000 rpm momentarily, the generator self-excites. Make sure when the generator is disconnected the engine rpm stays below 2,000 rpm. If it does rise above 2,000 rpm, turn the ignition to the OFF position and start the test over again.

• Ignition OFF.
• Disconnect the wiring harness from the generator voltage regulator.
• Start the engine.
• Operate the audio system in radio tuner (AM/FM) mode.
• Is the reception OK?

• Ignition OFF.
• Connect the wiring harness to the voltage regulator.
• Visually inspect the engine compartment and make sure all ignition coils are correctly and securely connected, and that there are no visible cracks in the coil housings.
• Inspect all the wiring harnesses and connectors for damaged insulation and loose or broken conditions.
• Are the ignition components OK?

• Ignition OFF.
• Disconnect: Antenna ModuleC9021 .
• Ignition ON.
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9021-2	VME43 (BU)	—	Ground





• Is the voltage greater than 11 volts?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9021-2	VME43 (BU)	—	Ground





• Is the resistance greater than 10,000 ohms?

• Ignition OFF.
• Disconnect: ACM C240A .
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C240A-2	VME43 (BU)	C9021-2	VME43 (BU)





• Is the resistance less than 3 ohms?

• Install a new antenna module. Refer to Antenna .
• Operate the audio system in radio tuner (AM/FM) mode.
• Is the reception OK?

• Ignition OFF.
• Substitute each AM/FM antenna cable by routing a new component. Do not remove the original antenna cable at this time.
• Operate the audio system in radio tuner (AM/FM) mode.
• Is the reception OK?

• Ignition OFF.
• Disconnect and inspect all ACM connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the ACM connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Using a scan tool, clear the ACM DTCs.
• Repeat the ACM self-test.
• Are any DTCs present?

• Turn the category filter function off. Refer to the Owner's Literature.
• Drive the vehicle to an open location, free of obstacles.
• Scan for a good channel.
• Does the satellite audio system find a good channel with normal reception?

• Enter the following diagnostic mode on the scan tool: ACM DataLogger .
• Monitor the ACM PID (SAT_SIG_STR).
• Does the PID indicate "No Signal"?

• Ignition OFF.
• Disconnect: Satellite Radio Antenna Connection At ACM .
• Disconnect: Satellite Radio Antenna Cable In-Line Connection At RH Kick Panel .
• Disconnect: Satellite Radio Antenna Connection At Satellite Radio Antenna .
• Measure the resistance of the front satellite radio antenna cable core between the ACM and the satellite radio antenna in-line connection; and between the front satellite radio antenna cable core and shield.
• Measure the resistance of the rear satellite radio antenna cable core between the satellite radio antenna and the satellite radio antenna in-line connection; and between the rear satellite radio antenna cable core and shield.
• Is the resistance of each satellite radio antenna cable core less than 2 ohms, and the resistance between the core and shield of each satellite radio antenna cable greater than 10,000 ohms?

• Install a new satellite radio antenna. Refer to Antenna .
• Operate the audio system in satellite radio mode.
• Is the reception OK?

• Ignition OFF.
• Disconnect and inspect all ACM connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect all the ACM connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: ACM C240A .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C240A-3	CE336 (GN/WH)	—	Ground





• Is voltage present?

• Ignition OFF.
• Connect: ACM C240A .
• Ignition ON.
• Using a scan tool, perform the audio DSP module self-test.
• Are any DTCs present?

• Using a scan tool perform the network test.
• Does the audio DSP module pass the network test?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326A .
• Ignition ON.
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326A-3	SME23 (VT/RD)	—	Ground





• Is the voltage between 3.5 and 5 volts?

• Ignition OFF.
• Disconnect: ACM C240A .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326A-3	SME23 (VT/RD)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326A-3	SME23 (VT/RD)	—	Ground





• Is the resistance greater than 10,000 ohms?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326A-3	SME23 (VT/RD)	C240A-7	SME23 (VT/RD)





• Is the resistance less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all ACM connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the ACM connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Using a scan tool, perform the IPC self-test.
• Is DTC U0212:00 recorded?

• Using a scan tool, perform the APIM self-test.
• Are any APIM DTCs present?

• Using a scan tool, view SCCM PIDs.
• Monitor the steering wheel controls PIDs while pressing each steering wheel switch.
• OK (R_CURS_OK)
• UP CURSOR (R_CURS_UP)
• DOWN CURSOR (R_CURS_DWN)
• LEFT CURSOR (R_CURS_LFT)
• RIGHT CURSOR (R_CURS_RGT)
• VOL+ (SW_VOLUP)
• VOL- (SW_VOLDOWN)
• SEEK+ (SW_SEEKPLUS)
• SEEK– (SW_SEEKMINUS)
• PHONE (SW_PHONE)
• VOICE (SW_VOICE)
• Do the PID values agree with the switch positions?

• Ignition OFF.
•  WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.
• Wait one minute.
• Remove the driver air bag module. Refer to Section 501-20B .
• Disconnect: RH Steering Wheel Switch C2999 .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2999-2	—	C2999-5	—
C2999-3	—	C2999-5	—
C2999-8	—	C2999-5	—
C2999-10	—	C2999-5	—





• Are the voltages approximately 5 volts?

• Ignition OFF.
• Disconnect: Clockspring C218B .
• Ignition ON.
• Measure the component side voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C218B-6	—	C218B-16	—
C218B-7	—	C218B-16	—
C218B-14	—	C218B-16	—
C218B-15	—	C218B-16	—





• Are the voltages approximately 5 volts?

• Ignition OFF.
• Remove the clockspring. Refer to Section 501-20B .
• Ignition ON.
• Measure the component side voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2414D-5	—	C2414D-10	—
C2414D-6	—	C2414D-10	—
C2414D-7	—	C2414D-10	—
C2414D-8	—	C2414D-10	—





• Are the voltages approximately 5 volts?

• Ignition OFF.
• Disconnect and inspect all SCCM connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the SCCM connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

NOTE: Resetting the APIM resets certain customer preference items.

• Remove any USB devices connected in the media hub.
• Remove the BCM fuse 09 (10A).
• Wait 5 minutes.
• Reinstall the fuse and wait 2 minutes for the APIM to re-intialize.
• Test the system for normal operation.
• Does system operate correctly?

• Connect: Multi-Media Interface Tester (105-00120) .
• Using the Multi-Media Interface Tester (105-00120), attempt to play an audio file using the USB port.
• Is the audio output OK for the USB port?

• Using a known good SD card, attempt to play an audio file and view images using the SD card slot.
• Are the audio and image output OK for the SD card slot?

• Using the Multi-Media Interface Tester (105-00120) and 3.5mm Female To Dual RCA Plug Male Adapter - SYNC Gen Adapter (105-00121), attempt to play audio content using the RCA jacks.
• Is the audio output OK for the RCA jacks?

• Ignition OFF.
• Disconnect: Media Hub C3618 .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C3618-1	LME89 (YE/BU)	C3618-10	RME89 (WH/BU)





• Is the voltage greater than 5 volts?

• Install a new media hub. Refer to Media Hub .
• Connect: Multi-Media Interface Tester (105-00120) .
• Using the Multi-Media Interface Tester (105-00120), attempt to play an audio file using the USB port.
• Is the audio output OK for the USB port?

• Ignition OFF.
• Disconnect: APIM C2383 .
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C3618-1	LME89 (YE/BU)	—	Ground





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C3618-1	LME89 (YE/BU)	C2383-8	LME89 (YE/BU)
C3618-10	RME89 (WH/BU)	C2383-38	RME89 (WH/BU)





• Are the resistances less than 3 ohms?

• Disconnect: Media Hub C3618 .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C3618-5	VME45 (BU)	—	Ground
C3618-6	RME45 (YE)	—	Ground
C3618-3	VME88 (BU)	—	Ground
C3618-9	RME88 (GN)	—	Ground
C3618-11	VME46 (GN)	—	Ground
C3618-12	RME46 (WH)	—	Ground
C3618-2	DME88	—	Ground
C3618-4	DME45	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C3618-5	VME45 (BU)	—	Ground
C3618-6	RME45 (YE)	—	Ground
C3618-3	VME88 (BU)	—	Ground
C3618-9	RME88 (GN)	—	Ground
C3618-11	VME46 (GN)	—	Ground
C3618-12	RME46 (WH)	—	Ground
C3618-2	DME88	—	Ground
C3618-4	DME45	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C3618-5	VME45 (BU)	C2383-10	VME45 (BU)
C3618-6	RME45 (YE)	C2383-11	RME45 (YE)
C3618-3	VME88 (BU)	C2383-34	VME88 (BU)
C3618-9	RME88 (GN)	C2383-35	RME88 (GN)
C3618-11	VME46 (GN)	C2383-28	VME46 (GN)
C3618-12	RME46 (WH)	C2383-29	RME46 (WH)
C3618-2	DME88	C2383-36	DME88
C3618-4	DME45	C2383-9	DME45





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect the APIM connector.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the APIM connector. Make sure it seats and latches correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Turn the speed sensitive volume off. Refer to the Owner's Literature.
• Operate the audio system in radio tuner (AM/FM) mode.
• Drive the vehicle at various speeds and observe the speaker volume.
• Set the speed sensitive volume to maximum compensation. Refer to the Owner's Literature.
• Operate the audio system in radio tuner (AM/FM) mode.
• Drive the vehicle at various speeds and observe the speaker volume.
• Does the volume remain constant with the speed sensitive volume turned off, and increase and decrease with vehicle speed with the speed sensitive volume set to maximum?

• Using a scan tool, retrieve all CMDTCs .
• Is DTC U0155:00 or U0238:00 retrieved in any audio module?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Operate and observe the FDIM touchscreen.
• Is the FDIM touchscreen inoperative or blank?

• Ignition ON.
• Using a scan tool, perform the network test.
• Does the FCIM pass the network test?

• Using a scan tool, view the FCIM PIDs.
• NOTE: The button PIDs begin with the prefix "BTN_" and end with the indicated button. For example, PID BTN_EJECT correlates with the eject button on the FCIM .
• Monitor the FCIM button PIDs.
• Do the PID states agree with the button presses?

• Disconnect the battery for 5 minutes, then reconnect it.
• Turn the infotainment system on and wait for the system to re-initialize.
• While pressing the buttons on the FCIM , observe the FCIM operation.
• Does the FCIM operate correctly?

• Ignition OFF.
• Disconnect the FCIM connector.
• Check for:
• corrosion
• damaged pins
• pushed-out pins
• Connect the FCIM connector and make sure it seats correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Connect: Multi-Media Interface Tester (105-00120) .
• Using the Multi-Media Interface Tester (105-00120), test the audio output for the RCA jack, USB port, and Bluetooth connection.
• Is there poor quality/distorted/no sound from each SYNC® audio source?

• Ignition OFF.
• Disconnect: ACM C240B .
• Disconnect: APIM C2383 .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2383-23	VME52 (BU)	—	Ground
C2383-24	RME52 (GY)	—	Ground
C2383-25	VME53 (VT)	—	Ground
C2383-26	RME53 (BN)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2383-23	VME52 (BU)	—	Ground
C2383-24	RME52 (GY)	—	Ground
C2383-25	VME53 (VT)	—	Ground
C2383-26	RME53 (BN)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C240B-12	VME52 (BU)	C2383-23	VME52 (BU)
C240B-25	RME52 (GY)	C2383-24	RME52 (GY)
C240B-13	VME53 (VT)	C2383-25	VME53 (VT)
C240B-26	RME53 (BN)	C2383-26	RME53 (BN)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect the APIM connector.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the APIM connector. Make sure it seats and latches correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect and inspect all ACM connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the ACM connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Turn the infotainment system on and observe the FDIM screen.
• Is the FDIM screen completely inoperative or blank?

• Ignition ON.
• Enter the following diagnostic mode on the scan tool: Network Test.
• Does the APIM pass the network test?

• Using the scan tool, perform the APIM self-test.
• Is DTC U0162:00 present?

• While pressing each tab of the 4 corners on the FDIM , observe the touchscreen operation.
• Does the FDIM respond correctly when each tab is pressed?

• Enter the ACM self-diagnostic mode. Refer to Audio Control Module (ACM) Self-Diagnostic Mode .
• Press and hold the SEEK DOWN button to enter Touch Screen Calibration and follow the on-screen instructions.
• Once the touchscreen calibration is complete, verify the touchscreen operation.
• Does the FDIM touchscreen respond correctly?

• Using the scan tool, perform the APIM self-test.
• Is DTC B108E:01 present?

NOTE: Carrying out a Master Reset returns all preference settings to the factory defaults, erases all the phone book, all navigation data and addresses data and call histories, and deletes any devices paired with the SYNC® system.

• Perform an APIM power reset by disconnecting the battery for 1 minute, then reconnecting it.
• Turn the infotainment system on.
• While pressing each tab of the 4 corners on the FDIM , observe the touchscreen operation.
• Does the touchscreen operate correctly?

• Ignition OFF.
• Disconnect and inspect the APIM connector.
• Repair:
• corrosion (install new connector or terminals – clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the APIM connector. Make sure it seats and latches correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: LF A-Pillar Tweeter Speaker C2421 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2421-1	VME08 (GN/OG)	C2421-2	RME08 (GY/OG)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2421-1	VME08 (GN/OG)	—	Ground
C2421-2	RME08 (GY/OG)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2421-1	VME08 (GN/OG)	—	Ground
C2421-2	RME08 (GY/OG)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2421-1	VME08 (GN/OG)	C2421-2	RME08 (GY/OG)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-3	VME08 (GN/OG)	C2421-1	VME08 (GN/OG)
C4326B-11	RME08 (GY/OG)	C2421-2	RME08 (GY/OG)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: RF A-Pillar Tweeter Speaker C2420 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2420-1	VME11 (VT/OG)	C2420-2	RME11 (YE/OG)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2420-1	VME11 (VT/OG)	—	Ground
C2420-2	RME11 (YE/OG)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2420-1	VME11 (VT/OG)	—	Ground
C2420-2	RME11 (YE/OG)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2420-1	VME11 (VT/OG)	C2420-2	RME11 (YE/OG)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-7	VME11 (VT/OG)	C2420-1	VME11 (VT/OG)
C4326B-15	RME11 (YE/OG)	C2420-2	RME11 (YE/OG)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: LF Door Speaker C570 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C570-1	VME07 (WH)	C570-2	RME07 (WH/BN)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C570-1	VME07 (WH)	—	Ground
C570-2	RME07 (WH/BN)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C570-1	VME07 (WH)	—	Ground
C570-2	RME07 (WH/BN)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C570-1	VME07 (WH)	C570-2	RME07 (WH/BN)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-2	VME07 (WH)	C570-1	VME07 (WH)
C4326B-10	RME07 (WH/BN)	C570-2	RME07 (WH/BN)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: RF Door Speaker C647 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C647-1	VME10 (WH/VT)	C647-2	RME10 (WH/OG)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C647-1	VME10 (WH/VT)	—	Ground
C647-2	RME10 (WH/OG)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C647-1	VME10 (WH/VT)	—	Ground
C647-2	RME10 (WH/OG)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C647-1	VME10 (WH/VT)	C647-2	RME10 (WH/OG)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-6	VME10 (WH/VT)	C647-1	VME10 (WH/VT)
C4326B-14	RME10 (WH/OG)	C647-2	RME10 (WH/OG)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: LR Door Speaker C712 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C712-1	VME12 (BN/WH)	C712-2	RME12 (BN/BU)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C712-1	VME12 (BN/WH)	—	Ground
C712-2	RME12 (BN/BU)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C712-1	VME12 (BN/WH)	—	Ground
C712-2	RME12 (BN/BU)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C712-1	VME12 (BN/WH)	C712-2	RME12 (BN/BU)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-4	VME09 (WH/GN)	C712-1	VME12 (BN/WH)
C4326B-12	RME09 (BN/YE)	C712-2	RME12 (BN/BU)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: RR Door Speaker C813 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C813-1	VME12 (BN/WH)	C813-2	RME12 (BN/BU)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C813-1	VME12 (BN/WH)	—	Ground
C813-2	RME12 (BN/BU)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C813-1	VME12 (BN/WH)	—	Ground
C813-2	RME12 (BN/BU)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C813-1	VME12 (BN/WH)	C813-2	RME12 (BN/BU)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-8	VME12 (BN/WH)	C813-1	VME12 (BN/WH)
C4326B-16	RME12 (BN/BU)	C813-2	RME12 (BN/BU)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect: Instrument Panel Center Speaker C2358 .
• Operate the audio system in radio tuner (AM/FM) mode.
• Measure the AC voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2358-1	VME06 (GN)	C2358-2	RME06 (GY/YE)





• Is a fluctuating AC voltage present?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326B .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2358-1	VME06 (GN)	—	Ground
C2358-2	RME06 (GY/YE)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2358-1	VME06 (GN)	—	Ground
C2358-2	RME06 (GY/YE)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2358-1	VME06 (GN)	C2358-2	RME06 (GY/YE)





• Is the resistance greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326B-1	VME06 (GN)	C2358-1	VME06 (GN)
C4326B-9	RME06 (GY/YE)	C2358-2	RME06 (GY/YE)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Check the navigation status of the FDIM touchscreen RH upper tab.
• Does the FDIM touchscreen RH upper tab read Navigation?

• Ignition ON.
• Using a scan tool, perform the network test.
• Does the scan tool communicate with the APIM AND GPSM ?

• NOTE: If DTC B1215:00 is set in the APIM and the RH upper tab of the FDIM touchscreen displays “ SD CARD FAULT”.
• NOTE: If DTC U016A:00 is set in the APIM and the RH upper tab of the FDIM touchscreen displays “NAVIGATION FAULT”.
• Using a scan tool, preform the APIM self-test.
• Are any DTCs present?

• Check for the presence of an SD card with map data in the SD slot of the media hub.
• Is the navigation map SD card present and fully seated?

• Using a known good SD card with map navigation, attempt to use the navigation system.
• Does the navigation map operate correctly and is the SD fault not present?

• REINSTALL the original SD card with map data into the SD slot of the media hub and attempt to use the navigation system.
• Does the navigation map operate correctly and is the SD fault not present?

• Disconnect the battery for 5 minutes, then reconnect it.
• Turn the infotainment system on and wait for the system to re-initialize.
• Operate the navigation system.
• Does the navigation system operate correctly?

• Perform the APIM Standard Programming and force a CIP reflash. REFER to Accessory Protocol Interface Module (APIM) Programming — Standard .
• Once the APIM programming is complete and the system has re-initialized, confirm that the RH upper tab of the FDIM touchscreen displays “NAVIGATION” and the navigation system operates correctly.
• Does the RH upper tab of the FDIM touchscreen displays “NAVIGATION” and the navigation system operate correctly?

• Ignition OFF.
• Disconnect the APIM connector.
• Check for:
• corrosion
• damaged pins
• pushed-out pins
• Connect the APIM connector and make sure it seats correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and verify the concern is still present.
• Is the concern still present?

• Using a scan tool, perform the network test.
• Does the APIM pass the network test?

NOTE: Carrying out a Master Reset returns all preference settings to the factory defaults, navigation and address data is deleted, erases all the phone book and call histories, and deletes any devices paired with the SYNC® system.

• Connect: Multi-Media Interface Tester (105-00120) .
• Using the Multi-Media Interface Tester (105-00120), test the audio output for the audio input jack, USB port, and Bluetooth connection using the VOICE switch on the steering wheel controls to enter each mode.
• Do all of the SYNC® inputs function correctly?

• Carry out an APIM power reset by disconnecting the battery for 1 minute, then reconnecting it.
• Connect: Multi-Media Interface Tester (105-00120) .
• Using the Multi-Media Interface Tester (105-00120), test the audio output for the audio input jack, USB port, and Bluetooth connection using the VOICE switch on the steering wheel controls to enter each mode.
• Do all of the SYNC® inputs function correctly?

• Operate the audio system in radio tuner AM/FM mode.
• Operate the VOICE steering wheel switch and listen for the SYNC® audible prompt.
• Does the SYNC® system produce an audible prompt correctly, indicating voice recognition mode has been entered?

• Operate the audio system in AM/FM mode.
• Operate the VOLUME +/-, SEEK +/-, and PHONE steering wheel switches.
• Do the VOLUME +/-, SEEK +/-, and PHONE steering wheel switches operate correctly?

• Pair a Bluetooth phone with the SYNC® system. For information on the pairing process, refer to the Owner's Literature. If necessary, review the device compatibility list found on syncmyride.com .
• Operate the VOICE steering wheel switch and listen for the SYNC® audible prompt.
• NOTE: Make sure the interior of the vehicle is as quiet as possible. Excessive noise may prevent the system from correctly recognizing spoken commands.
• Clearly speak the word "phone."
• Does the SYNC® system respond correctly to the "phone" voice command?

• Ensure that the Bluetooth phone paired in step 3 has adequate reception.
• NOTE: Make sure the interior of the vehicle is as quiet as possible. Excessive noise may prevent the call from having clear call quality and acceptable voice volume.
• Using the SYNC® system, place a phone call. For information on making calls from the SYNC® system, refer to the Owner's Literature.
• Ensure that the called party's phone has adequate reception.
• Instruct the called party to determine if the call quality is clear and of acceptable volume.
• Delete the Bluetooth phone paired in step 3 from the SYNC® system. For information on deleting a Bluetooth device from the SYNC® system, refer to the Owner's Literature.
• Is the outgoing call quality clear and of acceptable volume?

NOTICE: This pinpoint test step directs testing circuits using a back-probe method. Use the special back-probe tool POM6411. Do not force test leads or other probes into connectors. Adequate care must be exercised to avoid connector terminal damage, while ensuring that good electrical contact is made with the circuit or terminal. Failure to follow these instructions may cause damage to wiring, terminals, or connectors, and may cause subsequent electrical faults.

• Ignition ON.
• While back-probing microphone C9221, measure and record the DC voltage .




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	C9221-3	DMM23





• Is the voltage between 2.7 and 6.2 volts?

NOTICE: This pinpoint test step directs testing circuits using a back-probe method. Use the special back-probe tool POM6411. Do not force test leads or other probes into connectors. Adequate care must be exercised to avoid connector terminal damage, while ensuring that good electrical contact is made with the circuit or terminal. Failure to follow these instructions may cause damage to wiring, terminals, or connectors, and may cause subsequent electrical faults.

• While back-probing microphone C9221, measure the DC voltage while agitating the microphone harness back and forth and up and down (wiggle testing).




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	C9221-3	DMM23





• Review the recorded results from step 5.
• Does the voltage fluctuate more than .5 volts from the recorded result in step 5?

• Ignition OFF.
• Disconnect: Microphone C9221.
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	C9221-3	DMM23





• Is the voltage between 7.9 and 9.0 volts?

• Ignition OFF.
• Disconnect: APIM C2383.
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	—	Ground
C9221-3	DMM23	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	—	Ground
C9221-3	DMM23	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	C2383-12	VMM23 (BN/VT)
C9221-3	DMM23	C2383-13	DMM23





• Are the resistances less than 3 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C9221-2	VMM23 (BN/VT)	C9221-3	DMM23





• Is the resistance greater than 10,000 ohms?

• Install a new microphone. Refer to Microphone .
• If necessary, connect: APIM C2383.
• Operate the audio system in AM/FM mode.
• Operate the VOICE steering wheel switch and listen for the SYNC® audible prompt.
• Speak a command to test the voice recognition for normal operation.
• Is the voice recognition functioning correctly?

• Ignition OFF.
• Disconnect and inspect the APIM connector.
• Repair:
• corrosion (install new connector or terminals – clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the APIM connector. Make sure it seats and latches correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

NOTE: Carrying out a Master Reset returns all preference settings to the factory defaults, erases all the phone book and call histories, and deletes any devices paired with the SYNC® system.

• Connect: Multi-Media Interface Tester (105-00120) .
• Using the Multi-Media Interface Tester (105-00120), connect to the SYNC® system using Bluetooth. Follow the tool instructions.
• Enter the following diagnostic mode on the scan tool: APIM DataLogger .
• Monitor the Bluetooth device paired PID (BT_PAIR) and the Bluetooth device connected PID (BT_CONN).
• Do the PIDs BT_PAIR and BT_CONN both read "Yes"?

• Ignition OFF.
• Disconnect and inspect the APIM connector.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the APIM connector. Make sure it seats and latches correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition ON.
• Check the RH infotainment display in the IPC .
• Is the display blank?

• Using a scan tool, perform the SCCM self-test.
• Are any DTCs related to the RH steering wheel switch recorded?

• Using a scan tool, perform the IPC self-test.
• Is DTC U0212:00 recorded?

• Ignition OFF.
• Disconnect and inspect all SCCM connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the SCCM connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Verify the audible prompts are enabled. Refer to "SYNC® Voice Recognition Feature" in the Owner's Literature.
• Operate the audio system in SYNC® mode by pressing the VOICE button on the steering wheel controls and observe the SYNC® audible prompt.
• Does the SYNC® system produce an audible prompt correctly?

NOTICE: This pinpoint test step directs testing circuits using a back-probe method. Use the special back-probe tool specified in the tool list in this section. Do not force test leads or other probes into connectors. Adequate care must be exercised to avoid connector terminal damage while ensuring that good electrical contact is made with the circuit or terminal. Failure to follow these instructions may cause damage to wiring, terminals, or connectors and subsequent electrical faults.

• Operate the audio system in SYNC® mode.
• While pressing the VOICE switch repeatedly, measure the AC voltage by back-probing between:




Module	Positive Lead	Negative Lead
Audio DSP module	C4326A-5	C4326A-15





• Is an AC voltage produced each time the VOICE switch is pressed?

• Ignition OFF.
• Disconnect: Audio DSP Module C4326A .
• Disconnect: APIM C2383 .
• Ignition ON.
• Measure the voltage between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2383-3	VME80 (VT)	—	Ground
C2383-4	RME80 (BU)	—	Ground





• Is any voltage present?

• Ignition OFF.
• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C2383-3	VME80 (VT)	—	Ground
C2383-4	RME80 (BU)	—	Ground





• Are the resistances greater than 10,000 ohms?

• Measure the resistance between:




Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C4326A-5	VME80 (VT)	C2383-3	VME80 (VT)
C4326A-15	RME80 (BU)	C2383-4	RME80 (BU)





• Are the resistances less than 3 ohms?

• Ignition OFF.
• Disconnect and inspect the APIM connector.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the APIM connector. Make sure it seats and latches correctly.
• Wait 2 minutes for the APIM to re-initialize.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition OFF.
• Disconnect and inspect all audio DSP module connectors.
• Repair:
• corrosion (install new connector or terminals - clean module pins)
• damaged pins - install new terminals/pins
• pushed-out pins - install new pins as necessary
• Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
• Operate the system and determine if the concern is still present.
• Is the concern still present?

• Ignition ON.
• Using a scan tool, perform the APIM self-test.
• Are any DTCs recorded in the APIM ?

• Using a scan tool, perform the GPSM self-test.
• Are any DTCs recorded in the GPSM ?

• NOTE: Prior to performing this pinpoint test step, inquire with the customer about SYNC® traffic, directions and information service registration.
• Verify that the customer has an active subscription and the correct phone number is registered on the SYNC® website. REFER to the SyncMyRide website .
• Is the subscription activated and the correct phone number registered?

• Advise the customer to connect their phone to the SYNC® traffic, directions and information services. Caller ID blocking must be disabled on the customer's phone. Refer to the Owner's Literature.
• Operate one of the SYNC® traffic, directions and information services.
• Verify that the phone call is placed and that the phone is connected to the SYNC® traffic, directions and information services.
• Does the phone connect to the SYNC® traffic, directions and information services and operate correctly?