Inspection Procedure 3: Interior lamp automatic turning-off 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




  • Electric motor switch (ON)
  • Door switches
  • Tailgate latch switch


PROBABLE CAUSES



  • Malfunction of door switch
  • Malfunction of tailgate latch switch
  • The ETACS-ECU may be defective
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Customisation function check



Q. Is the check result normal?





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



Q. Is the diagnosis code set?





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




  • Move the electric motor switch to the LOCK (OFF) position.
  • Open each door.
  • Open the tailgate.
Item No.
Item name
Normal condition
19
Driver’s door switch
ON
30
IG SW (IG1) /Power SW(ON)
ON
48
Passenger’s door switch
ON
49
Rear door switch
ON
OK: Normal condition is displayed.

Q. Is the check result normal?











STEP 4. Retest the system.



Q. Is the check result normal?