Automatic Dimming Inside Mirror Test/Replacement

Automatic Dimming Inside Mirror Test/Replacement

1. Remove the cover (A), then disconnect 7P connector (B).

2. Turn the ignition switch to ON (II).

3. Measure the voltage between terminal No. 2 and body ground.
- If there is less than 0.2 V, go to step 4.

- If there is more than 0.2 V, check for:
- An open in the wire.

- Poor ground (G501).

4. Measure the voltage between terminal No. 1 and body ground.
- If there is battery voltage, go to step 5.

- If there is no voltage, check for:
- Blown No. 5 (7.5 A) fuse in the driver's under-dash fuse/relay box.

- An open in the wire.

5. Measure the voltage between terminal No. 3 and body ground with the shift lever in R (reverse) position.
- If there is battery voltage, replace the mirror assembly.

- If there is no voltage, check for:
- An open in the wire.

- Faulty driver's under-dash fuse/relay box.

- Faulty transmission range switch (A/T).

- Faulty back-up light switch (M/T).