RAM 2500 Truck 4WD V8-5.7L VIN D (2005)
DIAGNOSTIC TEST
1. LEFT REAR DOOR AJAR SWITCH SHORT TO GROUND
With the DRBIII(R) in Inputs/Outputs, read the L R DOOR AJAR SW state.
While monitoring the DRBIII(R), disconnect the Left Rear Door Latch connector.
Q: Did the Switch State change from CLOSED to OPEN?
YES:Replace the Left Rear Door Latch. Perform BODY VERIFICATION TEST - VER 1. See: Testing and Inspection/Diagnostic Trouble Code
Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Go To 2
2. (G77) LEFT REAR DOOR AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Instrument Cluster C3 harness connector.
Using a 12-volt test light connected to 12-volts, probe the (G77) Left Rear Door Ajar Switch Sense circuit and test for a short to ground.
Turn the ignition on.
Q: Does the test light illuminate brightly?
YES: Repair the (G77) Left Rear Door Ajar Switch Sense circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. See:
Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. See: Testing and Inspection/Diagnostic Trouble Code
Tests and Associated Procedures/Verification Tests/Body Verification Test
Passenger Door Ajar Circuit Open
PASSENGER DOOR AJAR CIRCUIT OPEN
