INSPECTION PROCEDURE C-6: A door can not be locked or unlocked by the central door locking system. <LH drive vehicles>

COMMENT ON TROUBLE SYMPTOM

If a door can not be locked or unlocked by the central door locking system, the door lock actuator may be defective.

POSSIBLE CAUSES

Malfunction of the door lock actuator
Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Confirm which door lock actuator is defective.

Q. Which door fails to lock correctly?

	Driver’s door : Go to Step 2.

	Front passenger’s door : Go to Step 6.

	Rear right door : Go to Step 10.

	Rear left door : Go to Step 14.

Step 2. Connector check: F-04 door lock actuator (front: LH) connector

Q. Is the check result normal?

Go to Step 3.

Repair the defective connector.

Step 3. Check the door lock actuator (front: LH)

Check that the door lock actuator (front: LH) works normally. Refer to GROUP 42 - Door

Q. Is the check result normal?

	Go to Step 4.

	Replace the door lock actuator (front: LH).

Step 4. Connector check: C-219, C-220 ETACS-ECU connector

Q. Is the check result normal?

Go to Step 5.

Repair the defective connector.

Step 5. Check the wiring harness from C-219 ETACS-ECU connector terminal No.12 and C-220 ETACS-ECU connector No.22 to F-04 door lock actuator (front: LH) connector terminal Nos. 4 and 6.

note

Prior to the wiring harness inspection, check intermediate connector C-27 and junction block connector C-205, and repair if necessary.

Check the input and output lines for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

Repair the wiring harness.

Step 6. Connector check: F-17 door lock actuator (front: RH) connector

Q. Is the check result normal?

Go to Step 7.

Repair the defective connector.

Step 7. Check the door lock actuator (front: RH).

Check that the door lock actuator (front: RH) works normally. Refer to GROUP 42 - Door

Q. Is the check result normal?

	Go to Step 8.

	Replace the door lock actuator (front: RH).

Step 8. Connector check: C-219 ETACS-ECU connector

Q. Is the check result normal?

Go to Step 9.

Repair the defective connector.

Step 9. Check the wiring harness from C-219 ETACS-ECU connector terminal Nos. 12 and 13 to F-17 door lock actuator (front: RH) connector terminal Nos. 4 and 6.

note

Prior to the wiring harness inspection, check intermediate connector C-14 and junction block connector C-205, and repair if necessary.

Check the input and output lines for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

Repair the wiring harness.

Step 10. Connector check: F-20 door lock actuator (rear: RH) connector

Q. Is the check result normal?

Go to Step 11.

Repair the defective connector.

Step 11. Check the door lock actuator (rear: RH).

Check that the door lock actuator (rear: RH) is in good condition. Refer to GROUP 42 - Door

Q. Is the check result normal?

	Go to Step 12.

	Replace the door lock actuator (rear: RH).

Step 12. Connector check: C-219 ETACS-ECU connector

Q. Is the check result normal?

Go to Step 13.

Repair the defective connector.

Step 13. Check the wiring harness from C-219 ETACS-ECU connector terminal Nos. 12 and 13 to F-20 door lock actuator (rear: RH) connector terminal Nos. 4 and 6.

note

Prior to the wiring harness inspection, check intermediate connector D-03 and junction block connector C-210, and repair if necessary.

Check the input and output lines for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

Repair the wiring harness.

Step 14. Connector check: F-08 door lock actuator (rear: LH) connector

Q. Is the check result normal?

Go to Step 15.

Repair the defective connector.

Step 15. Check the door lock actuator (rear: LH).

Check that the door lock actuator (rear: LH) is in good condition. Refer to GROUP 42 - Door

Q. Is the check result normal?

	Go to Step 16.

	Replace the door lock actuator (rear: LH).

Step 16. Connector check: C-219 ETACS-ECU connector

Q. Is the check result normal?

Go to Step 17.

Repair the defective connector.

Step 17. Check the wiring harness from C-219 ETACS-ECU connector terminal Nos. 12 and 13 to F-08 door lock actuator (rear: LH) connector terminal Nos. 4 and 6.

note

Prior to the wiring harness inspection, check intermediate connector D-16 and junction block connector C-210, and repair if necessary.

Check the input and output lines for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

Repair the wiring harness.