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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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