Inspection And Verification
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT
acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle.
- Verify the customer concern
- Visually inspect for obvious signs of damage and system integrityVISUAL INSPECTION DESCRIPTION
MECHANICAL ELECTRICAL - Start/stop button
- Electric steering column lock
- Vehicle key
- Fuses
- Electrical harnesses
- Harness connectors
- Vehicle key battery
- Central junction box (controls +12 Volt supply to electric steering column lock and software logic for electric steering column lock control)
- Instrument cluster (provides electrical ground circuit to electric steering column lock)
- Controller Area Network (CAN) circuits
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident check for Diagnostic Trouble Code(s) and refer to the Diagnostic Trouble Code(s) (DTC) index