Automatic Dimming Inside Mirror Test/Replacement

Automatic Dimming Inside Mirror Test/Replacement

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

2. Measure the voltage between terminal No. 2 and body ground.
- If there is less than 0.5 V, go to step 3.

- If there is more than 0.5 V, check for:
- An open in the wire.

- Poor ground (G501).

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

- If there is no voltage, check for:
- Blown No. 36 (10 A) fuse in the under-dash fuse/relay box.

- An open in the wire.

4. Measure the voltage between terminal No. 3 and body ground with the transmission range switch in R position.
- If there is battery voltage, replace the mirror assembly.

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

- Faulty under-dash fuse/relay box.

- Faulty transmission range switch.