SECTION 419-01A: Anti-Theft — Perimeter
2014 Flex Workshop Manual
DIAGNOSIS AND TESTING
Procedure revision date: 05/02/2013

Anti-Theft — Without Intelligent Access (IA)

 

DTC Charts

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

 


  BCM DTC Chart

DTC Description Action
B1305:01 Hood Switch: General Electrical Failure GO to Pinpoint Test C .
All other DTCs REFER to the BCM DTC Chart in Section 419-10 .

 

Symptom Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

 
Symptom Chart — Perimeter Alarm Without IA
Condition Possible Sources Action
  • The alarm system does not activate from an unauthorized entry at the hood
  • Refer to the Diagnostic Routine
  • The alarm system does not activate from an unauthorized entry at a door
  • Door ajar input
  • REFER to Section 417-02 to diagnose the courtesy lamps not illuminating when a door is open.
  • The alarm system does not activate from an unauthorized entry at the liftgate
  • Liftgate ajar input
  • REFER to Section 417-02 to diagnose the courtesy lamps not illuminating when the liftgate is open.
  • The alarm system does not arm or no turn signal flash confirmation
  • Refer to the Diagnostic Routine
  • No horn output during alarm activation
  • Horn output concern
  • False alarm activation
  • Door ajar input
  • Hood ajar input
  • Liftgate ajar input
  • Panic button pressed on an RKE transmitter
  • A valid PATS key read is NOT received when the ignition transitions to RUN
  • An intermittent fault exists. MONITOR the BCM alarm event PIDs to identify and isolate the cause of the last alarm activation.
    • Most recent alarm trigger event (ALARM_EVT_1).
    • Second most recent alarm trigger event (ALARM_EVT_2).
    • Third most recent alarm trigger event (ALARM_EVT_3).
    • Fourth most recent alarm trigger event (ALARM_EVT_4).
  • All keys are lost, the perimeter alarm is active and unable to program new keys
  • Unable to enter security access
  • Program a RKE transmitter. REFER to Section 501-14A . DISARM the alarm using the programmed RKE transmitter. ERASE all keys and PROGRAM new keys. REFER to Section 419-01B .
 

Pinpoint Tests

 

Pinpoint Test A: The Alarm System Does Not Activate From An Unauthorized Entry At The Hood

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

Refer to Wiring Diagrams Cell 117 , Remote Keyless Entry and Alarm for schematic and connector information.

Normal Operation and Fault Conditions

Refer to System Operation, Perimeter Alarm Activation in Anti-Theft — Without Intelligent Access (IA) .

Refer to Component Description, Hood Ajar Switch in Anti-Theft — Without Intelligent Access (IA) .

Visual Inspection and Diagnostic Pre-checks

 
PINPOINT TEST A: THE ALARM SYSTEM DOES NOT ACTIVATE FROM AN UNAUTHORIZED ENTRY AT THE HOOD
Test Step Result / Action to Take
  A1 MONITOR THE BCM HOOD AJAR SWITCH (HOOD_SW) PID  
  • Ignition ON.
  • Using a scan tool, view BCM PIDs .
  • Using a scan tool, monitor the BCM HOOD_SW PID .
  • Disconnect: Hood Ajar Switch C127.
  • Does the BCM PID read AJAR when the switch is disconnected?
Yes
INSTALL a new hood ajar switch.

No
GO to A2 .
  A2 CHECK THE HOOD AJAR SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND  
  • Ignition OFF.
  • Disconnect: BCM C2280F.
  • Measure the resistance between the hood switch C127-1, circuit CPL25 (BU/OG), harness side and ground.


  • Is the resistance greater than 10,000 ohms?
Yes
GO to A3 .

No
REPAIR the circuit.
  A3 CHECK FOR CORRECT BCM OPERATION  
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • corrosion (install new connector or terminals – clean module pins)
    • damaged or bent pins – install new terminals/pins
    • pushed-out pins – install new pins as necessary
  • Reconnect the BCM connectors. Make sure they seat correctly.
  • Operate the system and determine if the concern is still present.
  • Is the concern still present?
Yes
CHECK On-Line Automotive Service Information System (OASIS) for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM . REFER to Section 419-10 .

No
The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
 

Pinpoint Test B: The Alarm System Does Not Arm Or No Turn Signal Flash Confirmation

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

Refer to Wiring Diagrams Cell 117 , Remote Keyless Entry and Alarm for schematic and connector information.

Normal Operation and Fault Conditions

Refer to System Operation, Perimeter Alarm in Anti-Theft — Without Intelligent Access (IA) .

Refer to System Operation, Arming the Perimeter Alarm in Anti-Theft — Without Intelligent Access (IA) .

Visual Inspection and Diagnostic Pre-checks

 
PINPOINT TEST B: THE ALARM SYSTEM DOES NOT ARM OR NO TURN SIGNAL FLASH CONFIRMATION
Test Step Result / Action to Take
  B1 RETRIEVE THE RECORDED DTCs FROM THE BCM  
  • Ignition ON.
  • Using a scan tool, perform the BCM self-test.
  • Is DTC B1305:01 present?
Yes
GO to Pinpoint Test C .

No
GO to B2 .
  B2 CHECK THE DOOR AJAR SWITCH INPUT  
  • Close all the doors.
  • Observe the IPC .
  • Does the IPC indicate a door is ajar?
Yes
REFER to Section 417-02 to diagnose the courtesy lamps staying on continuously.

No
GO to B3 .
  B3 MONITOR THE LIFTGATE AJAR SWITCH INPUT  
  • Close the liftgate.
  • Observe the IPC .
  • Does the IPC indicate the liftgate is ajar?
Yes
REFER to Section 417-02 to diagnose the courtesy lamps staying on continuously.

No
GO to B4 .
  B4 CHECK THE HAZARD LAMP OPERATION  
  • Ignition OFF.
  • Activate the hazard flasher lamp function and observe the turn signals.
  • Does the all the turn signals flash on and off?
Yes
GO to B5 .

No
REFER to Section 417-01 to diagnose the inoperative turn signals.
  B5 CHECK THE RKE TRANSMITTER FUNCTION  
  • Using the RKE transmitter, lock and unlock the doors.
  • Do the doors lock and unlock?
Yes
GO to B6 .

No
REFER Section 501-14A to diagnose the inoperative RKE transmitter.
  B6 CHECK THE KEYLESS ENTRY KEYPAD FUNCTION  
  • Using the keyless entry keypad, lock the doors (touch 7/8 and 9/0).
  • Do the doors lock?
Yes
GO to B7 .

No
REFER Section 501-14A to diagnose the keyless entry keypad.
  B7 CHECK FOR CORRECT BCM OPERATION  
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • corrosion (install new connector or terminals – clean module pins)
    • damaged or bent pins – install new terminals/pins
    • pushed-out pins – install new pins as necessary
  • Reconnect the BCM connectors. Make sure they seat correctly.
  • Operate the system and determine if the concern is still present.
  • Is the concern still present?
Yes
CHECK On-Line Automotive Service Information System (OASIS) for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM . REFER to Section 419-10 .

No
The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
 

Pinpoint Test C: B1305:01

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

Refer to Wiring Diagrams Cell 117 , Remote Keyless Entry and Alarm for schematic and connector information.

Normal Operation and Fault Conditions

Refer to Component Description, Hood Ajar Switch in Anti-Theft — Without Intelligent Access (IA) .

Refer to System Operation, Perimeter Alarm in Anti-Theft — Without Intelligent Access (IA) .



  BCM DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions
  • B1305:01
Hood Switch: General Electrical Failure Sets when the BCM detects an open from the hood ajar input circuit or when the hood is open during the BCM self-test.

Visual Inspection and Diagnostic Pre-checks

 
PINPOINT TEST C: B1305:01
Test Step Result / Action to Take
  C1 CHECK THE HOOD AJAR SWITCH  
  • Disconnect: Hood Ajar Switch C127.
  • Ignition ON.
  • Connect a fused jumper wire between the hood ajar switch C127-1, circuit CPL25 (BU/OG), harness side and the hood ajar switch C127-2, circuit GD120 (BK/GN), harness side.


  • Using a scan tool, perform the BCM self-test.
  • Is DTC B1305:01 still present?
Yes
REMOVE the jumper wire. GO to C2 .

No
REMOVE the jumper wire. INSTALL a new hood ajar switch.
  C2 CHECK THE HOOD AJAR SWITCH GROUND CIRCUIT FOR AN OPEN  
  • Connect a fused jumper wire between the hood ajar switch C127-1, circuit CPL25 (BU/OG), harness side and ground.


  • Using a scan tool, perform the BCM self-test.
  • Is DTC B1305:01 still present?
Yes
REMOVE the jumper wire. GO to C3 .

No
REMOVE the jumper wire. REPAIR the circuit.
  C3 CHECK THE HOOD AJAR SWITCH INPUT CIRCUIT FOR AN OPEN  
  • Ignition OFF.
  • Disconnect: BCM C2280F.
  • Measure the resistance between the hood ajar switch C127-1, circuit CPL25 (BU/OG), harness side and BCM C2280F-2, circuit CPL25 (BU/OG), harness side.


  • Is the resistance less than 3 ohms?
Yes
GO to C4 .

No
REPAIR the circuit.
  C4 CHECK FOR CORRECT BCM OPERATION  
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • corrosion (install new connector or terminals – clean module pins)
    • damaged or bent pins – install new terminals/pins
    • pushed-out pins – install new pins as necessary
  • Reconnect the BCM connectors. Make sure they seat correctly.
  • Operate the system and determine if the concern is still present.
  • Is the concern still present?
Yes
CHECK On-Line Automotive Service Information System (OASIS) for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM . REFER to Section 419-10 .

No
The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.