Test B: The Instrument Cluster Illumination Is Inoperative

PINPOINT TEST B: THE INSTRUMENT CLUSTER ILLUMINATION IS INOPERATIVE

Normal Operation
Variable voltage is supplied to the instrument cluster (IC) from the instrument panel dimmer switch on circuit VLN18 (BU/WH). The IC is grounded through circuit GD161 (BK/YE).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- IC

B1-B3: