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Trouble Code Access

WARNING: This page is about a different car, the 1989 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using jumper wire, ground Green 1-pin connector. Connector is located at front of left front fender, near battery. See Fig 1 .
    Fig 1: Grounding Green 1-Pin Connector
    G117611Courtesy of MAZDA MOTORS CORP.
  2. With ignition on and engine stopped, observe "Check Engine" or MIL light. Note trouble codes. Check TROUBLE CODE IDENTIFICATION table for possible cause. If light remains on continuously, MIL circuit is grounded or ECU is defective.