RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
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Cylinder lock switch
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Instrument cluster
Diagnostic Test
1. DTC PRESENT
Turn the ignition on.
With the DRBIII(R), read DTC's.
Q: Are there any Power Door Lock related trouble codes?
YES: Refer to symptom list for problems related to Power Door Locks. 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 2
2. CYLINDER LOCK SWITCH VOLTAGE LOW
Turn the ignition off.
Disconnect the Cylinder Lock Switch connector.
Measure the voltage between (G163) Cylinder Lock Switch MUX circuit and ground.
Q: Is the voltage between 4.6 and 5.2 volts?
YES: Go To 3
NO: Go To 4
