Is the resistance less than 5 ohms?
B9 CHECK THE FEM PID R_WPRUN
Enter the following diagnostic mode on the scan tool: FEM PID R_WPRUN.
Does the FEM PID R_WPRUN indicate ON?
Yes
REPAIR the circuit. REPEAT the FEM self-test. CLEAR the
DTCs.
No
GO to B10.
B10 CHECK WIPER OPERATION — USE FEM ACTIVE COMMAND WIPER RLY
Activate and deactivate the rear wiper using the FEM active command WIPER RLY.
Did the rear wiper operate correctly?
Yes
INSTALL a new FEM. REFER to Section 419-10. REPEAT the
FEM self-test. CLEAR the DTCs.
No
GO to B11.
B11 CHECK BJB FOR OPEN
Disconnect: BJB Fuse 7 (25A).
Measure the voltage between BJB fuse 7 (25A) input side and ground.
Is the voltage greater than 10 volts?
Yes
REINSTALL BJB Fuse 7. GO to B12 .
No
REPAIR the BJB. REPEAT the FEM self-test. CLEAR the
DTCs.
B12 CHECK THE REAR WIPER RELAY FOR CORRECT OPERATION
Disconnect: Rear Wiper Relay.
Check the rear wiper relay for correct operation.
Refer to Wiring Diagrams Cell 149, Interval Wiper/Washer for component testing.
Is the rear wiper relay OK?
Yes
GO to B13.
No
INSTALL a new rear wiper relay. REPEAT the FEM self-test.
CLEAR the DTCs.
B13 CHECK CIRCUIT 406 (BN/WH) FOR OPEN
Measure the voltage between rear wiper relay pin 5, circuit 406 (BN/WH), harness side and ground.
Is the voltage greater than 10 volts?
Yes
GO to B14.
No
REPAIR the circuit. REPEAT the FEM self-test. CLEAR the
DTCs.
B14 CHECK CIRCUIT 406 (BN/WH) FOR OPEN
Disconnect: Rear Wiper Motor C476.
Measure the voltage between rear wiper motor C476 pin 3, circuit 406 (BN/WH), harness side and ground.
Is the voltage greater than 10 volts?
Yes
GO to B15.
No
REPAIR the circuit. REPEAT the FEM self-test. CLEAR the
DTCs.
B15 CHECK CIRCUIT 63 (RD) FOR OPEN
Yes
Page 8 of 172003 Windstar Workshop Manual
8/17/2010http://www.fordtechservice.dealerconnection.com/pubs/con...
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