Normal Operation
Under normal operation, the exterior mirror control switch uses circuit (Y/B) as the common circuit and the command circuit for both exterior mirror UP/DOWN and RIGHT/LEFT movement.
- An open in circuit (Y/B) between the exterior mirror control switch and either the LH or RH exterior rear view mirror
- Inoperative exterior mirror control switch
- Inoperative exterior mirror motor
A SINGLE MIRROR INOPERATIVE PINPOINT TEST REFERENCE
| PINPOINT TEST 2 | A SINGLE MIRROR IS INOPERATIVE | ||
|---|---|---|---|
| STEP | INSPECTION | ACTION | |
| 1 | CHECK CIRCUIT (Y/B) FOR OPEN
|
Yes | Go to next step. |
| No | Repair the circuit. Test the system for normal operation. | ||
| 2 | CHECK THE EXTERIOR REAR VIEW MIRROR CONTROL SWITCH
|
Yes | Check the suspect exterior mirror jumper harness between the vehicle harness and the suspect exterior mirror motor for open or shorted circuits, and damaged or pushed-out pins. If the jumper harness is not OK, install a new exterior mirror. See EXTERIOR MIRROR . Otherwise, install a new exterior mirror motor. See EXTERIOR MIRROR MOTOR . Test the system for normal operation. |
| No | Install a new exterior rear view mirror control switch. See EXTERIOR MIRROR CONTROL SWITCH . Test the system for normal operation. | ||