System Tests: Notes
CAUTION:
When battery or ECM is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until adaptation systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES-SUZUKI
article in GENERAL INFORMATION before disconnecting battery.
NOTE:
Before replacing any component that scan tool suggests are faulty. Ensure all wiring connections and harness connectors are okay. Ensure power and ground circuits are functioning properly. To identify ECM terminals referenced in testing, see PIN VOLTAGE/CIRCUIT RESISTANCE CHARTS
article. To identify circuits and wire colors referenced in testing, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Malfunction Indicator Light Inoperative | A |
| Malfunction Indicator Light Remains On | B |
| Engine Control Module Power & Ground Circuit Check | C |
| Engine System Check | D |