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Home › Mazda › 1990 › MX-5 Miata Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Clearing Codes › Clearing Trouble Codes

Clearing Trouble Codes

  1. Disconnect negative battery cable for at least 5 seconds. Reconnect battery cable.
  2. Ground test connector with jumper wire. Turn ignition on and verify no codes are displayed.
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