Initial Inspection and Diagnostic Overview

INSPECTION AND VERIFICATION

1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.

VISUAL INSPECTION CHART

Electrical
- Central junction box (CJB) fuse 6 (10A)
- Circuitry
- Relays
- Parking aid sensors
- Parking aid disable switch and LED
- Parking aid speaker
- Reversing lamps

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. If the cause is not visually evident, connect the diagnostic tool to the data link connector and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- Check that the program card is correctly installed.
- Check the connections to the vehicle.
- Check the ignition switch position.

5. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
6. Carry out the DATA LINK DIAGNOSTICS test. If the diagnostic tool responds with:
- CKT914, CKT915 or CKT70 - ALL ECUS NO RESP/NOT EQUIP, refer to Multifunction Electronic Control Module (General Module).
- NO RESP/NOT EQUIP for parking aid module, GO to Pinpoint Test A. Test A
- SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics for the parking aid module.

7. If the DTCs retrieved are related to the concern, go to the Parking Aid Diagnostic Trouble Code (DTC) Index to continue diagnostics. Diagnostic Trouble Code Tests and Associated Procedures
8. If no DTCs related to the concern are retrieved, GO to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures