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Home >> Mazda >> 1989 >> 323 GTX >> Repair and Diagnosis >> Engine Performance >> System >> Tests W/Codes - Turbo >> Self-Diagnostics >> Retrieving Codes >> Trouble Code Access

Trouble Code Access

  1. Using jumper wire, ground Green 1-pin connector. See Fig 1 . Connector is located at back of 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. If light remains on continuously, MIL circuit is grounded or ECU is defective. If no codes are found, go to ECU VOLTAGE TESTING in this article.
    Fig 1: Grounding Green 1-Pin Connector
    G117729Courtesy of MAZDA MOTORS CORP.
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