Test B: An Individual Courtesy Lamp Is Inoperative
PINPOINT TEST B: AN INDIVIDUAL COURTESY LAMP IS INOPERATIVENormal Operation
The lighting control module (LCM) supplies voltage to the courtesy lamps on circuit 53 (BK/LB). The courtesy lamps are grounded through circuit 57 (BK).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Interior lamp
B1:
B1-B2:
