Flow of Diagnosis
Testing and Confirmation1. Verify the customer concern, by operating the system in question.
2. Visually inspect for obvious signs of electrical damage; refer to the following table.
Visual Inspection Table
Electrical
- Loose or corroded connectors
- Circuitry
- Damaged wiring harness
- Damaged ABS control module
- Damaged PATS module Damaged Powertrain Control Module(PCM) Damaged air bag diagnostic monitor
3. If the concern remains after the inspection, connect New Generation Star (NGS) 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 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 still does not communicate with the vehicle, refer to the NGS tester manual.
4. Perform the DIAGNOSTIC DATA LINK using NGS tester. IF NGS tester responds with: CKT914, CKT915 or CKT70 = ALL MODULES NO RESPONSE/NOT EQUIPPED, refer to System Precheck, Pinpoint Test A.
A: Data Link Diagnostic Network Test
5. If no modules listed on the NGS are related to the concern, return to the section that refered you here. Also Symptom Related Diagnostic Procedures