Module Configuration
1. Visually inspect for obvious signs of electrical damage.VISUAL INSPECTION CHART
Electrical
^ Central junction box Fuse 31 (10 A).
^ Damaged wiring harness
^ Loose or corroded connectors
^ Instrument cluster
2. If the concern remains after inspection, connect the New Generation STAR (NGS) Tester to the data link connector located beneath the instrument panel and select the vehicle to be tested from NGS Tester menu. If NGS Tester does not communicate with the vehicle:
^ check that the program card is correctly installed.
^ check the connections to the vehicle.
^ check the ignition switch is in RUN position.
If the NGS Tester still will not communicate with the vehicle, refer to Information Bus.
3. If concern is not visually evident, determine the symptom and proceed to Symptom Chart. Symptom Chart