Initial Inspection and Diagnostic Overview
INSPECTION AND VERIFICATION1. Verify the customer concern.
2. Visually inspect the following for obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
- Central junction box (CJB) fuse 2 (5A)
- Damaged wiring harness
- Loose or corroded connectors
- Relays
- Parking aid sensors
- 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 diagnostic tool data link test. If the diagnostic tool responds with:
- SCP or UBP circuits fault; all electronic control units no response/not equipped, refer to Information Bus (Module Communications Network).
- No response/not equipped for parking aid, 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 (PAM). Park Aid Calibration and Self-Test Diagnostics
7. If the DTCs retrieved are related to the concern, go to the Parking Aid Diagnostic Trouble Code (DTC) Index. Diagnostic Trouble Code Tests and Associated Procedures
8. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart. Symptom Related Diagnostic Procedures