Test D: The Audio System Illumination Is Inoperative

PINPOINT TEST D: THE AUDIO SYSTEM ILLUMINATION IS INOPERATIVE

Normal Operation
Variable voltage is supplied to the audio system illumination on circuit 19 (LB/RD). The audio system illumination is grounded by circuit 57 (BK).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Audio control module (ACM)

D1-D2: