Passenger Mirror Inoperative From Memory
NOTE:
Ensure seat frame is connected to ground if seat is unbolted from vehicle.
- Turn ignition off. Disconnect Memory Heated Seat/Mirror Module (MHSMM) harness connector C2. Measure voltage at terminal No. 12 (Dark Blue wire) at MHSMM harness connector C2 while operating power mirror switch to passenger's mirror left position. See Figure . If battery voltage exists when switch is pressed, go to next step. If battery voltage does not exist when switch is pressed, repair open in Dark Blue wire between power mirror switch and MHSMM.
- Measure voltage at terminal No. 11 (White wire) at MHSMM harness connector C2 while operating power mirror switch to passenger's mirror down position. If battery voltage exists when switch is pressed, go to next step. If battery voltage does not exist when switch is pressed, repair open in White wire between power mirror switch and MHSMM.
- Measure voltage at terminal No. 13 (Yellow/Black wire) at MHSMM harness connector C2 while operating power mirror switch to passenger's mirror up position. If battery voltage exists when switch is pressed, replace MHSMM. If battery voltage does not exist when switch is pressed, repair open in Yellow/Black wire between power mirror switch and MHSMM.