Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002TRACKER 2D UTILITY, RWD, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM SELF-DIAGNOSTICS - 2.0LSYSTEM TESTSMIL INOPERATIVEDIAGNOSTIC PROCEDURES
2002 Chevrolet Tracker 2D Utility, RWD, Standard
Diagnostic Procedures
2002 Chevrolet Tracker 2D Utility, RWD, StandardSECTION Diagnostic Procedures
- Did you perform the Diagnostic System Check - Engine Controls? If yes, go to next step. If no, perform diagnostic system check - engine controls. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS under SELF-DIAGNOSTIC SYSTEM.
- Connect a scan tool. Turn ON the ignition, with engine OFF. Does scan tool display any engine data? If yes, go to next step. If no, go to SCAN TOOL DOES NOT COMMUNICATE WITH VCM/PCM in appropriate BODY CONTROLS article in ACCESSORIES & EQUIPMENT.
- Observe the Instrument Panel Cluster (IPC) assembly operation. Do all other functions of the IPC function normally? If yes, go to next step. If no, diagnose instrument panel gauges. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
- Turn OFF ignition. Disconnect PCM electrical connector with MIL control circuit. Turn ON ignition, with engine OFF. Probe MIL control circuit on harness side with a 3-amp fuse jumper wire to ground. Does the MIL illuminate? If yes, go to step 9 . If no, go to next step.
- Did the fuse in the jumper wire open? If yes, go to next step. If no, go to step 7 .
- Repair short to voltage in MIL control circuit. After repairs, go to step 10 .
- Turn ON ignition, with engine OFF. Backprobe electrical connector C1 terminal No. 2 of IPC assembly with a 3-amp fuse jumper wire to ground. Does the MIL illuminate? If yes, go to next step. If no, diagnose instrument panel gauges. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
- Repair open in MIL control circuit. After repairs, go to step 10 .
- Replace PCM. Perform PCM relearn procedure. See POWERTRAIN CONTROL MODULE under PROGRAMMING. After replacing PCM, go to next step.
- Turn ON ignition, with engine OFF. Is MIL illuminated? If yes, go to next step. If no, go to step 2 .
- Use scan tool to clear DTCs. Turn OFF ignition for 30 seconds. Start engine. Observe MIL operation. Is MIL illuminated while engine is running? If yes, perform diagnostic system check - engine controls. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS under SELF-DIAGNOSTIC SYSTEM. If no, system is okay.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.