INSPECTION PROCEDURE D-4: Dead Lock Timer Function does not Work.



caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.


COMMENT ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Malfunction of the door switch or tailgate latch assembly
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the operation of the dead lock system.



Q. Is the check result normal?





STEP 2. Check the power supply system.




  • Hazard warning lamp

Q. Is the check result normal?





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




  • The driver’s door: Close→Open
  • The front passenger’s door: Close→Open
  • The rear right door: Close→Open
  • The rear left door: Close→Open
  • The tailgate: Close→Open
Item No.
Item name
Normal condition
256
Dr door ajar switch
Close→Open
257
As door ajar switch
Close→Open
258
RR door ajar switch
Close→Open
259
RL door ajar switch
Close→Open
260
Trunk/gate trunk ajar switch
Close→Open
OK: Normal conditions are displayed for all the items.

Q. Are the check result normal?













STEP 4. Retest the system.



Q. Is the check result normal?