RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
Diagnostic Test
1. READ KEY-IN IGNITION SWITCH STATUS ON DRBIII
NOTE: The driver's door ajar switch must be operational for the result of this test to be valid.
Ensure that the Key is still in the Ignition Switch.
With the DRBIII(R) select: Electro/Mech Cluster, Input Output.
Read the Key-In IGN SW.
Q: Does the DRBIII(R) show Key-In IGN CLOSED?
YES: Replace and program the Cluster. 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. IGNITION SWITCH GROUND CIRCUIT OPEN
Turn the ignition off.
Disconnect the Ignition Switch connector.
Turn all lights off.
Measure the resistance between ground and the (Z42) Ground circuit in the ignition switch harness connector.
Q: Is the resistance below 5.0 ohms?
YES: Go To 3
