Inspection Procedure 9: The tailgate latch switch signal is not received.


caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of tailgate latch switch
  • 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. Connector check: G-11 tailgate latch switch connector


Q. Is the check result normal?





STEP 3. Tailgate latch switch check



Q. Is the check result normal?





STEP 4. Connector check: C-412 ETACS-ECU connector


Q. Is the check result normal?





STEP 5. Wiring harness check between the G-11 tailgate latch switch connector terminal No. 1 and the C-412 ETACS-ECU connector terminal No. 5



note Prior to the wiring harness inspection, check intermediate connector G-23, and repair if necessary.

Q. Is the check result normal?





STEP 6. M.U.T.-III data list



    Open the tailgate.
Item No.
 Item name
 Normal condition
Item 260
 Trunk/gate trunk ajar switch
 Open
OK: Normal condition is displayed.

Q. Is the check result normal?