Inspection and Verification

Cellular Phone

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
^ Mobile handset
^ Microphone
^ Transceiver module (TM)
^ Cellular phone antenna
^ Base plate adaptor
^ Adaptor cradle
^ Steering wheel controls
^ Clock spring
^ Integrated head unit (IHU)
^ Speakers
^ Audio amplifier
^ Media oriented system transport (MOST) system
^ Central junction box (CJB)

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding the next step.
4. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) before moving onto the DTC index.
^ Make sure that all DTCs are cleared following rectification.