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Test F: An Individual Demand Lamp Is Inoperative

PINPOINT TEST F: AN INDIVIDUAL DEMAND LAMP IS INOPERATIVE


F1:






F1-F2:






Normal Operation
The smart junction box (SJB) supplies voltage to the demand lamps on circuit CLN09 (YE/GN). The demand lamps are grounded through circuit GD139 (BK/YE). The glove compartment lamp (Zephyr only) is case grounded.

Possible Causes
- Circuit CLN09 (YE/GN) open
- Circuit GD139 (BK/YE) open
- Interior lamp