Information Bus: Testing and Inspection

1. Verify the customer concern.

Visual Inspection Chart:

2. Visually inspect for obvious signs of electrical damage

3. If the concern remains after the inspection, connect the NGS Tester to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the NGS Tester menu. If the NGS Tester does not communicate with the vehicle:
1. check that the program card is correctly installed.
2. check the connections to the vehicle.
3. check the ignition switch position is in RUN.

4. If the NGS Tester still does not communicate with the vehicle, go to PINPOINT TEST 1: NO MODULE/NETWORK COMMUNICATION - SCP LINK.