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

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

J1-J3:

J4:

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 CLN26 (BU).

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