Inspection Procedure 5: Interior Lamp Automatic Shutoff Function does not Work Normally.




COMMENTS ON TROUBLE SYMPTOM




  • Ignition switch (ACC)
  • Ignition switch (IG1)
  • Door switches


PROBABLE CAUSES



  • Malfunction of door switch
  • Malfunction of the room lamp
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Customise function check




  • 3 minutes
  • 30 minutes
  • 60 minutes

Q. Is the check result normal?





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.
  • Open each door.
Item No.
Item name
Normal condition
Item 254
IG voltage
0 V
Item 288
ACC switch
OFF
Item 256
Dr door ajar switch
Open
Item 257
As door ajar switch
Open
Item 258
RR door ajar switch
Open
Item 259
RL door ajar switch
Open
OK: Normal conditions are displayed for all the items.

Q. Is the check result normal?















STEP 4. Retest the system



Q. Is the check result normal?