FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Flow of Diagnosis

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

Visual Inspection Chart

Electrical
^ Damaged wiring harness
^ Loose or corroded connections
^ Electronic Crash Sensor (ECS) module
^ Anti-lock brake control module
^ Remote Anti-Theft Personality (RAP) module
^ Powertrain Control Module (PCM)

3. If the concern remains after the inspection, connect New Generation Star (NGS) Tester to the Data Link Connector (DLC) located beneath the instrument panel and select the vehicle to be tested from NGS Tester menu. If the NGS does not communicate with the vehicle:
^ Check that the program card is properly 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 F. F: No Module/Network Communication

4. GO to Pinpoint Test PC. Pinpoint Test PC: Data Link Diagnostics Network Test