Test A

PINPOINT TEST A: ALL DOOR LOCKS ARE INOPERATIVE FROM ONE SWITCH - DRIVER DOOR SWITCH

Test A1-A2:

Test A3-A7:

Test A7-A8:

Normal Operation
The door lock control switch supplies a ground signal for 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
- DTC B2574 circuit 8-AA10 (WH/BK) shorted to ground
- DTC B2575 circuit 8-AA11 (WH/VT) shorted to ground
- circuit 8-AA10 (WH/BK) open or shorted to ground
- circuit 8-AA11 (WH/VT) open or shorted to ground
- circuit 31-AA32 (BK/BU) open
- driver door lock control switch
- REM