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Home >> Mazda >> 1988 >> 929 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EGI Control System >> Diagnosis & Testing >> Without Self-Diagnostic Checker >> Trouble Code Access

Trouble Code Access

  1. Using jumper wire, ground Green 1-pin connector. Connector is located at left front wheelwell.
  2. With ignition on and engine stopped, observe "CHECK ENGINE" or MIL light. Note trouble codes. Check TROUBLE CODE IDENTIFICATION chart for possible cause. See Figure and Figure . If light remains on continuously, ECU is defective.