Test I: The Interior Lamps Are Inoperative From The Instrument Panel Dimmer Switch

PINPOINT TEST I: THE INTERIOR LAMPS ARE INOPERATIVE FROM THE INSTRUMENT PANEL DIMMER SWITCH

Normal Operation
The lighting control module (LCM) monitors the instrument panel dimmer switch status on circuit 1034 (BK/WH) to determine if the courtesy lamps are requested. Based on the instrument panel dimmer switch status, the LCM energizes the interior lamps through circuit 53 (BK/LB).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Instrument panel dimmer switch
- LCM

I1-I2:

I3-I4: