RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
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Anti-lock brakes module
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Instrument cluster
DIAGNOSTIC TEST
1. FAULT LOCATION
NOTE: Diagnose and repair any MIC, ABS, or Communication DTCs before proceeding with this test.
Q: Is the Brake warning indicator only inoperative using the Park Brake?
YES: Go To 2
NO: Go To 4
2. PARK BRAKE SWITCH
Disconnect the Park Brake Switch harness connector.
Connect a jumper wire between the (B25) Park Brake Switch Sense circuit and ground.
Turn the ignition on.
Observe the BRAKE indicator.
Q: Did the BRAKE indicator illuminate?
YES: Replace the Park Brake Switch. Perform BODY VERIFICATION TEST - VER 1. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Go To 3
3. (B25) PARK BRAKE SWITCH SENSE CIRCUIT OPEN
