Automatic Dimming Inside Mirror Input Test

Automatic Dimming Inside Mirror Input Test

NOTE: With the rearview monitor mirror, refer to the input test for the rearview monitor mirror Rearview Monitor Mirror Input Test.

1. Check for obstructions (parking stickers, labels, etc.) over the front-facing lux level sensor (A).





2. Disconnect the 7P connector (B).

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

4. Measure the voltage between terminal No. 1 and body ground.

- If there is battery voltage, go to step 6.
- If there is no voltage, check for:
- Blown No. 36 (10 A) fuse in the under-dash fuse/relay box.
- An open or high resistance in the wire.
- Faulty IG2 cut relay.
- Faulty under-dash fuse relay box.

5. 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 Rearview Mirror Replacement.
- If there is no voltage, check for:
- Blown No. 10 (7.5 A) fuse in the under-dash fuse/relay box.
- An open or high resistance in the wire.
- Faulty under-dash fuse/relay box (MICU).
- Faulty transmission range switch.

6. Turn the ignition switch to LOCK (0).

7. Reconnect the 7P connector.

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

9. Measure the voltage between terminal No. 2 and body ground.

- If there is less than 0.2 V, go to step 5.
- If there is more than 0.2 V, check for:
- An open or high resistance in the ground wire.
- Poor ground (G501).