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Home >> Suzuki >> 2002 >> Esteem GL, 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 1.6L >> System Tests >> A2: Malfunction Indicator Light Remains On >> Diagnosis & Repair Procedure
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Diagnosis & Repair Procedure

  1. Using scan tool check for stored DTCs. See RETRIEVING DIAGNOSTIC TROUBLE CODES  . If no DTCs are set, go to next step. If any DTCs are set, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  .
  2. Start engine. Using scan tool recheck for stored DTCs with engine running. See RETRIEVING DIAGNOSTIC TROUBLE CODES  . If no DTCs are set, go to next step. If any DTCs are set, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  .
  3. Turn ignition off. Disconnect ECM harness connectors. ECM is located under instrument panel, behind glove box. See Figure . Turn ignition on. If MIL remains illuminated, check for short to ground in Violet wire between ECM harness connector C21 terminal No. 17 and MIL bulb. See Figure . If MIL turns off, substitute a known good ECM, and retest.
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