System Tests: Notes
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.
NOTE:
Always check module power and ground circuits prior to replacing a control module. See DATA LINK CONNECTORS, GROUND DISTRIBUTION and/or POWER DISTRIBUTION article in WIRING DIAGRAMS.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Anti-Lock Brake System (ABS) Control Module Does Not Respond To Scan Tool | A |
| Lighting Control Module (LCM) Does Not Respond To Scan Tool | B |
| Driver's Door Module (DDM) Does Not Respond To Scan Tool | C |
| Natural Gas Vehicle Module (NGVM) Does Not Respond To Scan Tool | D |
| Electronic Automatic Temperature Control (EATC) Module Does Not Respond To Scan Tool | E |
| Electronic Crash Sensor (ECS) Module Does Not Respond To Scan Tool | F |
| Powertrain Control Module (PCM) Does Not Respond To Scan Tool | G |
| Passive Anti-Theft System (PATS) 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 |