Module Communications Network

1. Verify the customer concern by operating the system in question.
2. Visually inspect for obvious signs of electrical damage.

VISUAL INSPECTION CHART

Electrical
^ Central junction box Fuses 206 (10A) and 232 (20A)
^ Wiring Harness
^ Loose or corroded connections

3. If the concern remains after the inspection, connect 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 that the correct version of the program card is installed.
^ check the connections to the vehicle.
^ check the ignition switch position.

If the NGS Tester still does not communicate with the vehicle, go to Pinpoint Test O. Test O: No Module/Network Communication
4. Go to Pinpoint Test PC. Pinpoint Test PC (Precheck)