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Home >> Isuzu >> 1992 >> Rodeo LS, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.1L >> Clearing Codes

Clearing Codes

CAUTION: Ensure ignition is off when disconnecting or reconnecting power supply to ECM.
  1. After repairs are performed, clear ECM memory of all stored trouble codes. To clear memory, turn ignition off. Remove ECM MAIN relay located in engine compartment fuse box, or remove No. FR-1 fuse (15-amp) from fuse box located in lower left corner of instrument panel, for at least 30 seconds.
  2. After clearing trouble codes, confirm system will operate in closed loop mode and ensure CHECK ENGINE light functions properly.
  3. Trouble codes can also be cleared by disconnecting vehicle battery. However, other memory functions (clock, radio, etc.), will require resetting.
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