Component Tests and General Diagnostics

Electrochromic Inside Rear View Mirror

To determine if the EC mirror will dim, check it as below procedure.

1. Turn the ignition key to the "ON" position.
2. Cover the forward facing sensor.
3. Shine a flashlight into the rearward facing sensor.
4. The mirror should dim as soon as the rearward facing sensor detects the high light level.

NOTE: If this test is performed in a bright area, the mirror may darken as soon as the forward facing sensor is covered.

5. Put the vehicle into reverse, the mirror should not dim.
6. Aim a flashlight at the forward sensor and another flashlight at the rearward sensor the mirror should not darken.