Inspection Procedure 13: Keyless entry hazard answerback function or the room lamp answerback function does not work normally.


caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

OPERATION



PROBABLE CAUSES



  • Function setting error or no setting with a customisation
  • Malfunction of the turn signal lamp
  • Malfunction of the room lamp
  • Malfunction of ETACS-ECU

DIAGNOSIS PROCEDURE


STEP 1. Check the hazard warning lamp



Q. Is the check result normal?





STEP 2. Check the room lamps operation



Q. Is the check result normal?





STEP 3. Check the keyless entry system operation



Q. Is the check result normal?





STEP 4. Check the customisation




  • Lock:1, Unlock:2
  • Lock:1, Unlock:0
  • Lock:0, Unlock:2
  • Lock:2, Unlock:1
  • Lock:0, Unlock:1
  • Lock:2, Unlock:0
note If "Lock: 0" or "Unlock: 0" is selected, no answerback function is performed on locking or unlocking.

Q. Is it set to other than "Lock: 0, Unlock: 0"?





STEP 5. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 6. Check of the troubles



Q. Is the check result normal?