SECTION 501-16: Wipers and Washers
| 2014 Flex Workshop Manual
|
DIAGNOSIS AND TESTING
| Procedure revision date: 05/02/2013
|
![]() | Circuit Tester/Test Lamp
SGT27000 |
![]() | Flex Probe Kit
NUD105-R025D |
DTC 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.
SCCM DTC Chart
DTC | Description | Action |
---|---|---|
B1008:09 | Wiper Mode Switch: Component Failure | INSTALL a new multifunction switch. REFER to Section 211-05 . CLEAR the DTCs and REPEAT the self-test. If the DTC is retrieved again, INSTALL a new SCCM . REFER to Section 211-05 . |
B1051:09 | Front Washer Switch: Component Failure | INSTALL a new multifunction switch. REFER to Section 211-05 . CLEAR the DTCs and REPEAT the self-test. If the DTC is retrieved again, INSTALL a new SCCM . REFER to Section 211-05 . |
B1052:09 | Rear Washer Switch: Component Failure | INSTALL a new multifunction switch. REFER to Section 211-05 . CLEAR the DTCs and REPEAT the self-test. If the DTC is retrieved again, INSTALL a new SCCM . REFER to Section 211-05 . |
B10AD:02 | Rain Sensor: General Signal Failure | GO to Pinpoint Test E . |
B10AD:08 | Rain Sensor: Bus Signal/Message Failure | GO to Pinpoint Test E . |
B10AD:49 | Rain Sensor: Internal Electronic Failure | INSTALL a new rain sensor. REFER to Rain Sensor . |
B1131:02 | Wiper Motor Module: General Signal Failure | GO to Pinpoint Test B . |
B1131:08 | Wiper Motor Module: Bus Signal/Message Failure | GO to Pinpoint Test B . |
B12F7:09 | Single Wipe Switch: Component Failure | INSTALL a new multifunction switch. REFER to Section 211-05 . CLEAR the DTCs and REPEAT the self-test. If the DTC is retrieved again, INSTALL a new SCCM . REFER to Section 211-05 . |
All other DTCs | — | REFER to Section 211-05 . |
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.
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Pinpoint Tests
Pinpoint Test A: All Windshield Wipers Modes Are Inoperative
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Windshield Washer in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A1 CHECK THE WIPER RELAY | |||||||||||||
| Yes
REMOVE the known good relay. INSTALL a new wiper relay. No REMOVE the known good relay. GO to A2 . | ||||||||||||
A2 CHECK THE BATTERY SUPPLIED VOLTAGE CIRCUIT TO THE WIPER RELAY FOR AN OPEN | |||||||||||||
![]() | Yes
GO to A3 . No VERIFY the BJB fuse 4 (30A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. | ||||||||||||
A3 CHECK THE IGNITION SUPPLIED VOLTAGE CIRCUIT TO THE WIPER RELAY FOR AN OPEN | |||||||||||||
![]() | Yes
GO to A4 . No REPAIR the circuit. | ||||||||||||
A4 CHECK THE WIPER RELAY COIL GROUND CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to A5 . No REPAIR the circuit. | ||||||||||||
A5 CHECK THE WINDSHIELD WIPER MOTOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to A6 . No REPAIR the circuit. | ||||||||||||
A6 CHECK THE WINDSHIELD WIPER MOTOR GROUND CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to A7 . No REPAIR the circuit. | ||||||||||||
A7 CHECK THE FAIL-SAFE HIGH SPEED WIPER GROUND CIRCUIT CONTROL | |||||||||||||
![]() | Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No GO to A8 . | ||||||||||||
A8 CHECK THE FAIL-SAFE HIGH SPEED WIPER GROUND CIRCUIT FOR AN OPEN | |||||||||||||
NOTE: If steps A1-A7 did not identify the cause of the concern, a double fault is present. After the fail-safe ground is diagnosed and repaired, it is necessary check all operation modes and diagnose any symptom still present.
![]() | Yes
INSTALL a new multifunction switch. REFER to Section 211-05 . TEST the system for normal operation. If the concern is still present, GO to A9 . No REPAIR the circuit. | ||||||||||||
A9 CHECK FOR CORRECT SCCM OPERATION | |||||||||||||
| 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 SCCM . REFER to Section 211-05 . 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 Intermittent And/Or Low Speed Windshield Wipers Are Inoperative
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Intermittent Wipers in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
SCCM DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
---|---|---|
B1131:02 | Wiper Motor Module: General Signal Failure | Sets when the SCCM detects a general signal failure occurs on the LIN . |
B1131:08 | Wiper Motor Module: Bus Signal/Message Failure | Sets when the SCCM loses communication with the windshield wiper motor over the LIN . |
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B1 CHECK FOR SCCM DTC B1131:02 OR DTC B1131:08 | |||||||||||||
| Yes
GO to B4 . No GO to B2 . | ||||||||||||
B2 CHECK THE LOW SPEED WINDSHIELD WIPER OPERATION | |||||||||||||
| Yes
If not equipped with a rain sensor, GO to Pinpoint Test D . If equipped with a rain sensor, GO to Pinpoint Test E . No GO to B3 . | ||||||||||||
B3 CHECK THE MULTIFUNCTION SWITCH LOW SPEED SETTING INPUT | |||||||||||||
| Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No INSTALL a new multifunction switch. REFER to Section 211-05 . TEST the system for normal operation. If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . | ||||||||||||
B4 CHECK THE HIGH SPEED WIPER OPERATION | |||||||||||||
| Yes
GO to B5 . No GO to Pinpoint Test A . | ||||||||||||
B5 CHECK THE WINDSHIELD WIPER MOTOR LOGIC GROUND CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to B6 . No REPAIR the circuit. | ||||||||||||
B6 CHECK THE LIN CIRCUIT FOR A SHORT TO VOLTAGE | |||||||||||||
![]() | Yes
If equipped with a rain sensor, GO to B7 . If not equipped with a rain sensor, REPAIR the circuit. No GO to B8 . | ||||||||||||
B7 ISOLATE THE RAIN SENSOR (SHORT TO VOLTAGE) | |||||||||||||
![]() | Yes
REPAIR the circuit. No INSTALL a new rain sensor. REFER to Rain Sensor . | ||||||||||||
B8 CHECK THE LIN CIRCUIT FOR A SHORT TO GROUND | |||||||||||||
![]() | Yes
GO to B10 . No If equipped with a rain sensor, GO to B9 . If not equipped with a rain sensor, REPAIR the circuit. | ||||||||||||
B9 ISOLATE THE RAIN SENSOR (SHORT TO GROUND) | |||||||||||||
![]() | Yes
INSTALL a new rain sensor. REFER to Rain Sensor . No REPAIR the circuit. | ||||||||||||
B10 CHECK THE LIN CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . TEST the system for normal operation. If the concern is still present, GO to B11 . No REPAIR the circuit. | ||||||||||||
B11 CHECK FOR CORRECT SCCM OPERATION | |||||||||||||
| 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 SCCM . REFER to Section 211-05 . 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: The Windshield Wipers Stay On Continuously
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Intermittent Wipers in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C1 CHECK THE WINDSHIELD WIPER OPERATION WITH THE IGNITION OFF | |||||||||||||
| Yes
GO to C2 . No GO to C3 . | ||||||||||||
C2 CHECK THE WIPER RELAY OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE | |||||||||||||
| Yes
REPAIR the circuit. No INSTALL a new wiper relay. | ||||||||||||
C3 CHECK THE MULTIFUNCTION SWITCH INPUT | |||||||||||||
| Yes
GO to C4 . No INSTALL a new multifunction switch. REFER to Section 211-05 . If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . TEST the system for normal operation. | ||||||||||||
C4 CHECK THE WINDSHIELD WIPER OPERATION WITH THE SCCM DISCONNECTED | |||||||||||||
| Yes
GO to C5 . No INSTALL a new multifunction switch. REFER to Section 211-05 . TEST the system for normal operation. If the concern is still present, GO to C6 . | ||||||||||||
C5 CHECK THE HIGH SPEED FAIL-SAFE CIRCUIT FOR A SHORT TO GROUND | |||||||||||||
![]() | Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No REPAIR the circuit. | ||||||||||||
C6 CHECK FOR CORRECT SCCM OPERATION | |||||||||||||
| 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 SCCM . REFER to Section 211-05 . 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 D: The Windshield Wipers Do Not Operate Correctly In The Intermittent Mode
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 System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Intermittent Wipers in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take |
---|---|
D1 VERIFY IF THE VEHICLE IS EQUIPPED WITH A RAIN SENSOR | |
| Yes
GO to D2 . No GO to D3 . |
D2 VERIFY THE RAIN SENSITIVE WIPER FEATURE IS DISABLED IN THE VEHICLE MESSAGE CENTER | |
| Yes
GO to Pinpoint Test E . No GO to D3 . |
D3 CHECK THE LOW SPEED WIPER OPERATION | |
| Yes
GO to D4 . No GO to Pinpoint Test B . |
D4 CHECK THE INPUT FROM THE MULTIFUNCTION SWITCH | |
| Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No INSTALL a new multifunction switch. REFER to Section 211-05 . TEST the system for normal operation. If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . |
Pinpoint Test E: The Rain Sensitive Wiper Feature Is Inoperative
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Rain Sensitive Wipers in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Refer to Component Description - Rain Sensor in Wipers and Washers .
SCCM DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
---|---|---|
B10AD:02 | Rain Sensor: General Signal Failure | Sets when the SCCM detects a general signal failure occurs on the LIN . |
B10AD:08 | Rain Sensor: Bus Signal/Message Failure | Sets when the SCCM determines a communication error has occurred on the LIN . If the rain sensitive wipers are inoperative only, this DTC may be caused by an open in the rain sensor power or ground circuit or an open in the LIN circuit. |
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E1 CHECK THE LOW SPEED WIPER OPERATION | |||||||||||||
| Yes
GO to E2 . No GO to Pinpoint Test B . | ||||||||||||
E2 CHECK FOR DTC B1131:02 OR DTC B1131:08 | |||||||||||||
| Yes
GO to Pinpoint Test B . No GO to E3 . | ||||||||||||
E3 CHECK FOR DTC B10AD:02 OR DTC B10AD:08 | |||||||||||||
| Yes
GO to E12 . No GO to E4 . | ||||||||||||
E4 VERIFY THE RAIN SENSITIVE WIPER FEATURE IS ENABLED IN THE VEHICLE MESSAGE CENTER | |||||||||||||
| Yes
GO to E5 . No ENABLE the rain sensitive feature. INFORM the customer how to enable/disable the rain sensitive feature. | ||||||||||||
E5 CHECK THE INPUT FROM THE MULTIFUNCTION SWITCH | |||||||||||||
| Yes
GO to E6 . No INSTALL a new multifunction switch. REFER to Section 211-05 . TEST the system for normal operation. If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . | ||||||||||||
E6 CHECK THE WINDSHIELD FOR DAMAGE | |||||||||||||
| Yes
INSTALL a new windshield. REFER to Section 501-11 . No GO to E7 . | ||||||||||||
E7 CHECK THE WINDSHIELD GLASS FOR STREAKING | |||||||||||||
| Yes
GO to E8 . No GO to E10 . | ||||||||||||
E8 CHECK THE WINDSHIELD WIPER BLADES FOR STREAKING | |||||||||||||
| Yes
GO to E9 . No INSTALL new wiper blades. GO to E9 . | ||||||||||||
E9 RECHECK THE RAIN SENSITIVE WIPERS OPERATION | |||||||||||||
| Yes
The system is operating correctly at this time. The concern may have been caused by poor wipe quality on the windshield around the rain sensor. No GO to E10 . | ||||||||||||
E10 CHECK FOR THE PRESENCE OF THE LENS GEL | |||||||||||||
| Yes
ATTACH the retaining clips. GO to E11 . No The sensor gel-type lens is missing or damaged. INSTALL a new rain sensor. REFER to Rain Sensor . | ||||||||||||
E11 INSPECT THE RAIN SENSOR MOUNTING AREA | |||||||||||||
NOTE: The rain sensor gel-type lens can be damaged or contaminated during rain sensor removal, rain sensor bracket separation or incorrect installation. | Yes
GO to E12 . No REMOVE and INSTALL the rain sensor correctly. REFER to Rain Sensor . TEST the system for normal operation. If the concern is still present, GO to E15 . | ||||||||||||
E12 CHECK THE RAIN SENSOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to E13 . No VERIFY BJB fuse 45 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. | ||||||||||||
E13 CHECK THE RAIN SENSOR GROUND CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to E14 . No REPAIR the circuit. | ||||||||||||
E14 CHECK THE LIN CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to E15 . No REPAIR the circuit. | ||||||||||||
E15 CHECK FOR CORRECT RAIN SENSOR OPERATION | |||||||||||||
| Yes
INSTALL a new rain sensor. REFER to Rain Sensor . TEST the system for normal operation. If the concern is still present, INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . 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 F: The Windshield Wipers Do Not Park At The Correct Position
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take |
---|---|
F1 CHECK THE WIPER MOUNTING ARE AND PIVOT SHAFT FOR DAMAGE | |
| Yes
GO to F2 . No INSTALL a wiper mounting arm and pivot shaft. REFER to Wiper Mounting Arm and Pivot Shaft . |
F2 CHECK THE WINDSHIELD WIPER PARK RELAY OPERATION | |
| Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No ADJUST the pivot arms. REFER to Wiper Blade and Pivot Arm Adjustment — Windshield . |
Pinpoint Test G: The Windshield Washer Is Inoperative Or Always On
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Windshield Washer in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Refer to Component Description - Washer Pump in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
NOTE: If sub-zero temperature conditions are present, the washer solvent may have froze within the washer hose and nozzles. Allow the vehicle to warm and retest the system. If the system operates, inform the customer of the correct type of washer solvent to use for the temperature conditions present.
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
G1 CHECK THE MULTIFUNCTION SWITCH INPUT | |||||||||||||
| Yes
If the washer pump is always on, GO to G2 . If the washer pump is inoperative, GO to G3 . No INSTALL a new multifunction switch. REFER to Section 211-05 . If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . | ||||||||||||
G2 CHECK THE WINDSHIELD WIPER MOTOR WASHER PUMP SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE | |||||||||||||
| Yes
REPAIR the circuit. No INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . | ||||||||||||
G3 CHECK THE REAR WASHER RELAY | |||||||||||||
| Yes
REMOVE the known good relay. INSTALL a new rear washer relay. No REMOVE the known good relay. VERIFY the BJB fuse 47 (15A) is OK. If OK, GO to G4 . If not OK, REFER to the Wiring Diagrams manual to identify the possible cause of the circuit short. | ||||||||||||
G4 CHECK THE REAR WASHER RELAY GROUND SUPPLIED CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to G5 . No REPAIR the circuit. | ||||||||||||
G5 CHECK THE WASHER PUMP CIRCUIT TO THE REAR WASHER RELAY FOR AN OPEN | |||||||||||||
![]() | Yes
GO to G6 . No REPAIR the circuit. | ||||||||||||
G6 CHECK THE WASHER PUMP CONTROL CIRCUIT INTEGRITY | |||||||||||||
![]() | Yes
INSTALL a new washer pump. REFER to Washer Pump . No GO to G7 . | ||||||||||||
G7 CHECK THE WASHER PUMP CONTROL CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No REPAIR the circuit. |
Pinpoint Test H: One Or More Rear Wiper Modes Are Inoperative
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Rear Window Wiper in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Refer to Component Description - Rear Wiper Motor in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
H1 CHECK THE MULTIFUNCTION SWITCH INPUT | |||||||||||||
| Yes
GO to H2 . No INSTALL a new multifunction switch. REFER to Section 211-05 . If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . | ||||||||||||
H2 CHECK THE BATTERY SUPPLIED VOLTAGE CIRCUIT TO THE REAR WINDOW WIPER MOTOR FOR AN OPEN | |||||||||||||
![]() | Yes
GO to H3 . No VERIFY the BJB fuse 64 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. | ||||||||||||
H3 CHECK THE REAR WINDOW WIPER MOTOR GROUND CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to H4 . No REPAIR the circuit. | ||||||||||||
H4 BYPASS THE WINDSHIELD WIPER MOTOR | |||||||||||||
![]() | Yes
REMOVE the jumper wire. INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No LEAVE the jumper wire connected. GO to H5 . | ||||||||||||
H5 CHECK THE REAR WINDOW WIPER MOTOR CONTROL CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
REMOVE the jumper wire. INSTALL a new rear window wiper motor. REFER to Wiper Motor — Rear Window . No REMOVE the jumper wire. REPAIR the circuit. |
Pinpoint Test I: The Rear Window Wiper Stays On Continuously
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Rear Window Wiper in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Refer to Component Description - Rear Wiper Motor in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
I1 CHECK THE MULTIFUNCTION SWITCH INPUT | |||||||||||||
| Yes
GO to I2 . No INSTALL a new multifunction switch. REFER to Section 211-05 . If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . TEST the system for normal operation. | ||||||||||||
I2 CHECK THE REAR WINDOW WIPER OPERATION WITH THE WINDSHIELD WIPER MOTOR DISCONNECTED | |||||||||||||
| Yes
GO to I3 . No INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . | ||||||||||||
I3 CHECK THE REAR WINDOW WIPER MOTOR CONTROL CIRCUIT FOR A SHORT TO GROUND | |||||||||||||
![]() | Yes
INSTALL a new rear window wiper motor. REFER to Wiper Motor — Rear Window . No REPAIR the circuit. |
Pinpoint Test J: The Rear Window Washer Is Inoperative Or Always On
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 81 , Wipers and Washers for schematic and connector information.
Refer to System Operation - Rear Window Washer in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
Refer to Component Description - Washer Pump in Wipers and Washers .
Visual Inspection and Diagnostic Pre-checks
Test Step | Result / Action to Take | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
J1 CHECK THE MULTIFUNCTION SWITCH INPUT | |||||||||||||
| Yes
If the rear window washer is always on, GO to J2 . If the rear window washer is inoperative, GO to J5 . No INSTALL a new multifunction switch. REFER to Section 211-05 . If the concern is still present, INSTALL a new SCCM . REFER to Section 211-05 . | ||||||||||||
J2 CHECK THE WASHER PUMP SUPPLY CIRCUIT FROM THE REAR WASHER RELAY FOR A SHORT TO VOLTAGE | |||||||||||||
| Yes
REPAIR the circuit. No GO to J3 . | ||||||||||||
J3 CHECK THE WASHER PUMP RELAY (ALWAYS ON) | |||||||||||||
| Yes
REMOVE the known good relay. GO to J4 . No REMOVE the known good relay. INSTALL a new rear washer relay. | ||||||||||||
J4 CHECK THE REAR WASHER RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND | |||||||||||||
![]() | Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No REPAIR the circuit. | ||||||||||||
J5 CHECK THE WINDSHIELD WASHER OPERATION | |||||||||||||
| Yes
GO to J6 . No GO to Pinpoint Test G . | ||||||||||||
J6 CHECK THE REAR WASHER RELAY (INOPERATIVE) | |||||||||||||
| Yes
REMOVE the known good relay. INSTALL a new rear washer relay. No REMOVE the known good relay. GO to J7 . | ||||||||||||
J7 CHECK THE REAR WASHER RELAY BATTERY SUPPLIED VOLTAGE CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to J8 . No REMOVE the known good relay. VERIFY the BJB fuse 82 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible cause of the circuit short. | ||||||||||||
J8 CHECK THE REAR WASHER RELAY IGNITION SUPPLIED VOLTAGE CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
GO to J9 . No REMOVE the known good relay. VERIFY the BJB fuse 45 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible cause of the circuit short. | ||||||||||||
J9 CHECK THE REAR WASHER RELAY CONTROL CIRCUIT FOR AN OPEN | |||||||||||||
![]() | Yes
INSTALL a new windshield wiper motor. REFER to Wiper Motor — Windshield . No REPAIR the circuit. |