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Home › Mazda › 1988 › 929 Automatic › Repair and Diagnosis › Engine Performance › System › EGI Control System › Diagnosis & Testing › With Self-Diagnostic Checker › Clearing Trouble Codes

Clearing Trouble Codes

  1. Disconnect negative battery cable. Depress brake pedal for at least 5 seconds. Reconnect battery cable.
  2. With Self-Diagnostic Checker (49 H018 9A1 ) connected, ground test connector with jumper wire. Turn ignition on, but do not start engine for 6 seconds.
  3. Start engine and run at 2000 RPM for 2 minutes. Verify no codes are displayed.
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