Inspection and Verification
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious electrical faults.
Electrical
^ Battery
^ Fuses Central and battery junction boxes Megafuses
^ Wiring harness
^ Damaged, loose or corroded connectors
^ TSD
^ GPS antenna
^ Navigation computer
^ Steering wheel controls
^ Clock spring
^ Integrated head unit (IHU)
^ Audio amplifier
^ Anti-lock brake system (ABS) module
^ Wheel speed sensors
^ Vehicle information and communication system (VICS Japan only) receiver
^ VICS beacon antenna (Japan only)
^ Controller area network (CAN) circuits
^ Media oriented system transport (MOST) system
^ Gigabit video interface (GVIF)
^ Central junction box (CJB)
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. Use the approved diagnostic system or a scan tool to retrieve any DTCs before moving onto the DTC index.
^ Make sure that all DTCs are cleared following rectification.