Dodge Ram 2004 - Left Rear Door Ajar Circuit Short to Ground

Symptom:
*LEFT REAR DOOR AJAR CIRCUIT SHORT TO GROUND
POSSIBLE CAUSES
LEFT REAR DOOR AJAR SWITCH SHORTED TO GROUND
LEFT REAR DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
INSTRUMENT CLUSTER - DRIVER DOOR AJAR SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt in Inputs/Outputs, read the LR DOOR AJAR SW state.
While monitoring the DRBIIIt, disconnect the Left Rear Door Ajar Switch harness
connector.
Did the Switch State change from CLOSED to OPEN?
All
Yes → Replace the Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 Disconnect the Left Rear Door Ajar Switch harness connector.
Disconnect the Instrument Cluster C3 harness connector.
Using a 12-volt test light connected to 12-volts, probe the Left Rear DoorAjar Switch
Sense circuit and test for a short to ground.
Does the test light illuminate brightly?
All
Yes → Repair the Left Rear DoorAjar Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 If there are no possible causes remaining, view repair. All
Repair
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
318
DOOR AJAR