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Test F: An Individual Demand Lamp Is Inoperative

PINPOINT TEST F: AN INDIVIDUAL DEMAND LAMP IS INOPERATIVE


F1-F2:






F2 Continued:






Normal Operation
During the demand lighting function, the instrument cluster provides a ground for the battery saver relay whenever the instrument cluster is awake. The battery saver relay provides power to circuit 54 (LG/YE). Circuit 54 (LG/YE) provides power to each demand lamp switch and when activated, provides power to the selected demand lamp. The demand lamps are grounded through circuit 57 (BK).

Possible Causes
- Circuit 54 (LG/YE) open
- Circuit 57 (BK) open
- Lamp assembly