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Test B: The Interior Lamps Stay On Continuously

PINPOINT TEST B: THE INTERIOR LAMPS STAY ON CONTINUOUSLY


B1-B3:






B3-B5:






B5-B7:






B7-B8:






Normal Operation
When a door or liftgate is opened, the ajar switch opens the circuit to the SJB. The SJB grounds the interior lamp 401 (PK) circuit, illuminating the interior lamps.

Possible Causes
- circuit 401 (PK) short to ground
- circuit 570 (BK/WH) open
- circuit 700 (WH/PK) open or short to voltage
- circuit 701 (LB/BK) open or short to voltage
- circuit 760 (PK/LB) open or short to voltage
- circuit 867 (DB) open or short to voltage
- circuit 1312 (LG/BK) open or short to voltage
- circuit 1742 (VT/LG) open or short to voltage
- circuit 1758 (WH/PK) open or short to voltage
- ajar switches
- SJB