Inspection Procedure A-11: The coming home light function does not work normally.


caution Whenever the ECU is replaced, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of the keyless entry system
  • Malfunction of the ETACS-ECU

DIAGNOSIS PROCEDURE


STEP 1. ETACS-ECU customise function check.




  • 15 sec
  • 30 sec
  • 60 sec
  • 180 sec

Q. Is it set to other than "Disabled"?





STEP 2. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 3. M.U.T.-III data list




  • Turn the ignition switch to the LOCK (OFF) position.
Item No.
 Item name
 Normal condition
Item 254
 IG voltage
 1 V or less
OK: Normal condition is displayed.

Q. Is the check result normal?





STEP 4. Check the headlamps.



Q. Is the check result normal?





STEP 5. Retest the system.



Q. Is the check result normal?