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Pinpoint Test J: The Auto-Dimming Interior Mirror Is Always On (Without Navigation)




Parking Aid - Video

Pinpoint Test J: The Auto-Dimming Interior Mirror Is Always On (Without Navigation)

Normal Operation

When the gear selector is in the REVERSE (R) position, a reverse voltage signal is sent to the auto-dimming interior mirror and rear video camera supplying power to the system. The video camera signal is sent to the auto-dimming interior mirror. The video signal from the video camera displays an image on the LH side of the auto-dimming interior mirror.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors

- Auto-dimming interior mirror

PINPOINT TEST J : THE AUTO-DIMMING INTERIOR MIRROR IS ALWAYS ON (WITHOUT NAVIGATION)

J1 CHECK THE REVERSING LAMPS OPERATION

- Check the operation of the reversing lamps

Do the reversing lamps operate correctly?

Yes
GO to J2.

No
REFER to Lighting and Horns.

J2 CHECK FOR CORRECT AUTO-DIMMING INTERIOR MIRROR OPERATION

- Disconnect the auto-dimming interior mirror connector.

- Check for:
- corrosion

- damaged pins

- pushed-out pins


- Connect the auto-dimming interior mirror connector and make sure it seats correctly.

- Operate the system and determine if the concern is still present.

Is the concern still present?

Yes
INSTALL a new auto-dimming interior mirror. TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.