Diesel Data: Automotive Repair

Test F

PINPOINT TEST F: A SINGLE DOOR LOCK IS INOPERATIVE - DRIVER DOOR


Test F1-F2:






Test F2-F5:






Test F5-F6:






Test F7-F8:






Normal Operation
The door lock control switch supplies a ground signal to the rear electronic module (REM). When the REM receives ground via circuit 8-AA10 (WH/BK), the REM locks the doors. When the REM receives ground via circuit 8-AA11 (WH/VT), the REM unlocks the doors.

Possible Causes
- circuit 29S-DK31 (OG/BK) open
- circuit 33-AA10 (YE/BK) open or shorted to ground
- circuit 32-AA11 (WH/VT) open or shorted to ground
- Door lock actuator
- REM