Inspection and Verification

INSPECTION AND VERIFICATION

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

VISUAL INSPECTION CHART

Electrical
- Battery junction box (BJB) fuse 1 (60A)
- Smart junction box (SJB) fuse 30 (10A)
- Bulb(s)
- Smart junction box (SJB)
- Connectors
- Circuitry

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:
- CAN circuits fault; all electronic control units no response/not equipped, Module Communications Network (Information Bus).
- No response/not equipped for smart junction box (SJB), refer to Body Control Systems (Multifunction Electronic Control Module).
- System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out the self-test diagnostics for the SJB.

7. If the DTCs retrieved are related to the concern, go to the Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index. Diagnostic Trouble Code Tests and Associated Procedures
8. If no DTCs related to the concern are retrieved, GO to Symptom Chart. Symptom Related Diagnostic Procedures
9. If the DTCs are retrieved that are not found in the following Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index, refer to the master Diagnostic Trouble Code Index in Body Control Systems (Multifunction Electronic Control Module).