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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Symptom Troubleshooting (Engine Control System AJ)) >> No. 2 Mil Illuminates >> Diagnostic procedure

Diagnostic procedure

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NO. 2 MIL ILLUMINATES [AJ] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1
  • Connect WDS or equivalent to DLC-2.
  • Turn ignition switch to ON position.
  • Retrieve any DTCs.
  • Are there any DTCs displayed?
Yes DTC is displayed: 
  • Go to appropriate DTC test.
No No DTC is displayed: 
  • Inspect for short to GND circuit between instrument cluster and PCM terminal 2.
  • Inspect instrument cluster operation (See INSTRUMENT CLUSTER INSPECTION .)
2
  • Verify test results.
    • If okay, return to diagnostic index to service any additional symptoms.
    • If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
  • If vehicle is repaired, troubleshooting completed.
  • If vehicle is not repaired or additional diagnostic information is not available, reprogram PCM if later calibration is available. Retest.