System Tests: Notes
CAUTION:
Before replacing any control module, ensure all module ground and power circuits are functioning properly. For circuit identification, see GROUND DISTRIBUTION and POWER DISTRIBUTION articles in WIRING DIAGRAMS.
NOTE:
Tests included in this article are written specifically for New Generation Star (NGS) tester functionality. Other OBD II-compatible scan tools may be used, but may not be equipped with equal test function capabilities. Refer to scan tool manufacturer's instructions.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Anti-Lock Brake System Control Module Does Not Respond To Scan Tool | A |
| Lighting Control Module Does Not Respond To Scan Tool | B |
| Driver's Door Module Does Not Respond To Scan Tool | C |
| Natural Gas Vehicle Module Does Not Respond To Scan Tool | D |
| Electronic Automatic Temperature Control Module Does Not Respond To Scan Tool | E |
| Restraint Control Module Does Not Respond To Scan Tool | F |
| Powertrain Control Module Does Not Respond To Scan Tool | G |
| Passive Anti-Theft System Module Does Not Respond To Scan Tool | H |
| No Module/Network Communication - ISO 9141 Link | I |
| No Module/Network Communication - SCP Network | J |
| No Module/Network Communication | K |