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UPDATE ENGINE CONTROL MODULE (ECM)
caution
  • When the ECM has been replaced, perform the work in following order.
    1. Update ECM
    2. Chassis number (Chassis no.) writing (Refer to HOW TO PERFORM CHASSIS NUMBER (Chassis No.) WRITING)
    3. Initialisation procedure for throttle actuator (Refer to INITIALISATION PROCEDURE FOR THROTTLE VALVE CONTROL SERVO)
  • Maintain following conditions when executing the ECM update procedure.
    • Electric motor switch ON
    • Turn OFF all electric loads
    • Do not depress the brake pedal
    • Battery voltage is 12 to 13.5 V [Confirm the battery voltage value with “Battery voltage” displayed in the scan tool (M.U.T.-III SE).]
Execute the update of the ECM with following procedure using the scan tool (M.U.T.-III SE).
1. Select “ENGINE” in the system selection screen.
2. After entering the vehicle information, press the “ECM reprogramming” button.
3. Update the ECM following the instruction on the screen.
noteFor the detailed procedures, refer to "scan tool (M.U.T.-III SE) User's Manual".