INSPECTION PROCEDURE D-2: Dead Lock does not work even if the Dead Lock is Activated.





















COMMENT ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Malfunction of the door lock actuator
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the operation of the central door locking system.



Q. Is the check result normal?





STEP 2. Confirm which door lock actuator is defective.


Q. Which door fails to lock correctly?









STEP 3. Connector check: E-20 front door lock actuator (RH) connector


Q. Is the check result normal?





STEP 4. Check the front door lock actuator (RH)



Q. Is the check result normal?





STEP 5. Connector check: C-302 dead lock relay connector


Q. Is the check result normal?





STEP 6. Check the wiring harness from C-302 dead lock relay connector terminal No. 4 to E-20 front door lock actuator (RH) connector terminal No. 5.


note Prior to the wiring harness inspection, check C-311 ETACS-ECU connector and C-129 intermediate connector , and repair if necessary.

  • Check the input and output lines for open circuit.

Q. Is the check result normal?





STEP 7. Connector check: E-08 front door lock actuator (LH) connector


Q. Is the check result normal?





STEP 8. Check the front door lock actuator (LH).



Q. Is the check result normal?





STEP 9. Connector check: C-302 dead lock relay connector


Q. Is the check result normal?





STEP 10. Check the wiring harness from C-302 dead lock relay connector terminal No. 4 to E-08 front door lock actuator (LH) connector terminal No. 5.


note Prior to the wiring harness inspection, check C-311 ETACS-ECU connector and C-114 intermediate connector , and repair if necessary.

  • Check the input and output lines for open circuit.

Q. Is the check result normal?





STEP 11. Connector check: E-12 rear door lock actuator (RH) connector


Q. Is the check result normal?





STEP 12. Check the rear door lock actuator (RH).



Q. Is the check result normal?





STEP 13. Connector check: C-302 dead lock relay connector


Q. Is the check result normal?





STEP 14. Check the wiring harness from C-302 dead lock relay connector terminal No. 4 to E-12 rear door lock actuator (RH) connector terminal No. 5.


note Prior to the wiring harness inspection, check C-311 ETACS-ECU connector and D-36 intermediate connector , and repair if necessary.

  • Check the input and output lines for open circuit.

Q. Is the check result normal?





STEP 15. Connector check: E-26 rear door lock actuator (LH) connector


Q. Is the check result normal?





STEP 16. Check the rear door lock actuator (LH).



Q. Is the check result normal?





STEP 17. Connector check: C-302 dead lock relay connector


Q. Is the check result normal?





STEP 18. Check the wiring harness from C-302 dead lock relay connector terminal No. 4 to E-26 rear door lock actuator (LH) connector terminal No. 5.


note Prior to the wiring harness inspection, check C-311 ETACS-ECU connector and D-23 intermediate connector , and repair if necessary.

  • Check the input and output lines for open circuit.

Q. Is the check result normal?