Inspection Procedure 9: The tailgate lock actuator <vehicles without electric tailgate> or tailgate latch <vehicles with electric tailgate> signal is not received.


caution
  • Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
  • When the ETACS-ECU of vehicles without KOS is replaced, the encrypted code of the ignition key needs to be registered to the ETACS-ECU. (If the encrypted code is not registered, the engine cannot be started. Register the encrypted code as described in Immobilizer System - How to Register Key ID .)

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of tailgate lock actuator <vehicles without electric tailgate>
  • Malfunction of tailgate latch <vehicles with electric tailgate>
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the installation condition.



Q. Is the check result normal?





STEP 2. Tailgate lock actuator <vehicles without electric tailgate> or tailgate latch <vehicles with electric tailgate> check



Q. Is the check result normal?





STEP 3. Check of short to power supply, short to earth, and open circuit in TRID line between ETACS-ECU connector and tailgate lock actuator <vehicles without electric tailgate> or tailgate latch <vehicles with electric tailgate> connector


Q. Is the check result normal?





STEP 4. M.U.T.-III data list



    Open the tailgate.
Item No.
 Item name
 Normal condition
Item 260
 Gate ajar switch
 Open
OK: Normal condition is displayed.

Q. Is the check result normal?