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Test C: The Interior Lamps Do Not Turn On With One Door Open

PINPOINT TEST C: THE INTERIOR LAMPS DO NOT TURN ON WITH ONE DOOR OPEN


C1-C3:






C3-C5:






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 1312 (LG/BK) short to ground
- circuit 867 (DB) short to ground
- circuit 760 (PK/LB) short to ground
- circuit 700 (WH/VT) short to ground
- circuit 701 (LB/BK) short to ground
- ajar switches
- SJB