U1073 – Bus Off MMC Colt



TROUBLE JUDGMENT

  • All the time
  • When the buss off error is detected.

  • COMMENT ON TROUBLE SYMPTOM

  • The failure is possibly caused by malfunction of the harness and connector in CAN busline or by malfunction in engine-ECU.

  • PROBABLE CAUSES

  • Failed of the harness and the connector.
  • Failed engine-ECU.

  • DIAGNOSIS PROCEDURE

    STEP 1. M.U.T.-III CAN bus diagnosis

  • Using M.U.T.-III, perform CAN busline diagnosis.
  • Q. Is the check result normal?

    STEP 2. Reconfirmation of diagnosis codes

  • Reconfirm whether the diagnosis codes are output from engine-ECU.
  • Erase the diagnosis codes being output.
  • Ignition switch: “LOCK” (OFF) to ON
  • Confirm whether the diagnosis codes are output.
  • Q. Is the diagnosis code output?

    STEP 3. Reconfirmation of diagnosis codes

  • Reconfirm whether the diagnosis codes are output from engine-ECU.
  • Erase the diagnosis codes being output.
  • Ignition switch: “LOCK” (OFF) to ON
  • Confirm whether the diagnosis codes are output.
  • Q. Is the diagnosis code output?

    Author: admin