DEFINITION: This diagnostic chart should only be used if the dimming function is operational.

Turn the ignition to ON position.

Is the mirror display totally blank?

--

Go to Step 5

Go to Step 2

Is the letter C displayed on mirror?

--

Go to Step 3

Go to Step 4

Perform the Compass Calibration procedure. Refer to the Compass Calibration procedure in the Owners Manual.

Is the compass operating properly and accurate?

--

System OK

Go to Step 4

Perform the Compass Variance procedure. Refer to Compass Variance procedure in the Owners Manual.

Is the compass operating properly and accurate?

--

System OK

Go to Step 5

1. Replace the automatic day-night mirror with compass. Refer to Inside Rearview Mirror Replacement .
2. Perform the Compass Calibration and the Compass Variance procedures in the Owners Manual.

Is the repair complete?

--

System OK

--