Test B: The Interior Lamps Are Inoperative - Using The Dimmer Control Switch

PINPOINT TEST B: THE INTERIOR LAMPS ARE INOPERATIVE - USING THE DIMMER CONTROL SWITCH

B1:

B2-B4:

Normal Operation
When the dimmer control switch is rotated to the interior lamp detent position, ground is provided to the smart junction box (SJB) through circuit 1404 (YE).

Possible Causes
- Circuit 1036 (BN/WH) open
- Circuit 1404 (YE) open
- Dimmer control switch
- SJB