Initial Inspection - Warning Devices

INSPECTION AND VERIFICATION

1. Verify the customer concern.

Visual Inspection Chart:

2. Visually inspect for obvious signs of mechanical or electrical damage.
3. If the concern 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 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.

4. If diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
5. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
- SCP+. SCP-, or UBP circuits fault: ECUs no response/not equipped, refer to Module Communications Network (Information Bus).
- SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics.

6. If the DTCs retrieved are related to the concern, go to the Instrument Cluster Diagnostic Trouble Code (DTC) Index to continue diagnostics. Trouble Code Descriptions - Warning Devices
7. If no DTCs related to the concern are retrieved, Go to Symptom Chart to continue diagnostics. Diagnosis By Symptom - Warning Devices