SYSTEM TESTS
| CAUTION | When battery is disconnected or modules are replaced, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery. |
Note. Before beginning system tests, perform TROUBLE SHOOTING .
A digital volt-ohmmeter is required to test the power mirror system. After repairs are complete, ensure all components are properly installed and all harness connectors are connected properly and recheck system operation.
| Symptom | Perform Test |
|---|---|
| Both Mirrors Inoperative | A |
| Single Mirror Completely Inoperative | B |
| Single Mirror Does Not Function With Switch Logic | C |
| One Or Both Heated Mirrors Inoperative | D |
SYMPTOM INDEX
MIRROR CONTROL SWITCH
Disconnect mirror control switch harness connector (remove mirror control switch if necessary). Check continuity between mirror control switch terminals while operating switch as specified. See MIRROR CONTROL SWITCH CONTINUITY table. (Scheme 4) If continuity is not as specified, replace mirror control switch.
| Switch Position | Continuity Between Terminals No. | |
|---|---|---|
| Driver's Side Mirror | ||
| Down | 2 & 6; 3 & 4 | |
| Left | 3 & 4; 5 & 6 | |
| Up | 2 & 4; 3 & 6 | |
| Right | 3 & 6; 4 & 5 | |
| Passenger's Side Mirror | ||
| Down | 1 & 6; 3 & 4 | |
| Left | 3 & 4; 6 & 7 | |
| Up | 1 & 4; 3 & 6 | |
| Right | 3 & 6; 4 & 7 | |
MIRROR CONTROL SWITCH CONTINUITY
Scheme 4
SIDE MIRROR GLASS
| CAUTION | During removal and installation, place shop towel between glass and hand to avoid injury from possible glass breakage. |