Test C: An Individual Courtesy Lamp Is Inoperative
PINPOINT TEST C: AN INDIVIDUAL COURTESY LAMP IS INOPERATIVENormal Operation
The instrument cluster (IC) provides a ground circuit for the battery saver relay and the interior lamp relay. When the relays are energized, voltage is supplied to the courtesy lamps through circuit 53 (BK/LB). The interior lamps are grounded through circuit 57 (BK).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Interior lamp assembly