System Tests: Notes
WARNING: This page is about a different car, the 2001 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Always check module power and ground circuits prior to replacing a control module. See GROUND DISTRIBUTION and POWER DISTRIBUTION articles in WIRING DIAGRAMS.
NOTE:
If repairs to a module communication network circuit is required, see REPAIRING BUS WIRING . After any repairs are made to vehicle always perform data link diagnostic test. See DATA LINK DIAGNOSTIC TEST under SELF-DIAGNOSTIC SYSTEM.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| 4-Wheel Anti-Lock Brake System Module Does Not Respond To NGS Tester | A |
| Remote Anti-Theft Personality Module Does Not Respond To NGS Tester | B |
| Generic Electronic Module/Central Timer Module Does Not Respond To NGS Tester | C |
| Restraint Control Module Does Not Respond To NGS Tester | D |
| Powertrain Control Module Does Not Respond To NGS Tester | E |
| Natural Gas Vehicle Module Does Not Respond To NGS Tester | F |
| Instrument Cluster Module Does Not Respond To NGS Tester | G |
| No Module/Network Communications - ISO 9141 Link | H |
| No Module/Network Communication - Bus Link | I |
| No Module/Network Communication | J |