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Test K: The Courtesy Lamps Are Inoperative From The Dimmer Control Switch

PINPOINT TEST K: THE COURTESY LAMPS ARE INOPERATIVE FROM THE DIMMER CONTROL SWITCH


K1-K2:






K2-K4:






K5:






Normal Operation
The smart junction box (SJB) monitors the dimmer switch status on circuit CLN28 (GN/BU) to determine if the courtesy lamps are requested. Based on the dimmer switch status, the SJB supplies voltage to the courtesy lamps through circuit CLN09 (YE/GN).

Possible Causes
- Circuit CLN28 (GN/BU) open or short to voltage
- Dimmer switch
- SJB