Right Rear Door Lock Knob Switch Circuit Troubleshooting

Keyless/Power Door Locks/Security System Symptom Troubleshooting - Right rear door lock knob switch circuit troubleshooting

Right rear door lock knob switch circuit troubleshooting

1. Turn the ignition switch to ON (II).

2. With the right rear door lock knob switch in LOCK position, select SECURITY with the HDS, and enter the DATA LIST.

3. Check the ON/OFF information of the PASSENGER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicated ON?

YES -

Go to step 4.

NO -

Go to step 8.

4. Disconnect the right rear door latch 10P connector.

5. Check the ON/OFF information of the PASSENGER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicated OFF?

YES -

Faulty right rear door lock knob switch; replace the right rear door latch Service and Repair.

NO -

Go to step 6.

6. Disconnect the under-dash fuse/relay box connector C (49P).

7. Check for continuity between under-dash fuse/relay box connector C (49P) terminal No. 46 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.

NO -

Faulty MICU; replace the under-dash fuse/relay box.

- USA model Under-Dash Fuse/Relay Box Removal and Installation (USA Models)
- Canada model Under-Dash Fuse/Relay Box Removal and Installation (Canada Models)

8. Disconnect the right rear door latch 10P connector.

9. Connect right rear door latch 10P connector terminal No. 8 and body ground with a jumper wire.





10. Check the ON/OFF information of the PASSENGER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicated ON?

YES -

Go to step 11.

NO -

Go to step 12.

11. Check for continuity between right rear door latch 10P connector terminal No. 10 and body ground.





Is there continuity?

YES -

Faulty right rear door lock knob switch; replace the right rear door latch Service and Repair.

NO -

Repair an open or high resistance in the wire or poor ground (G601).

12. Connect under-dash fuse/relay box connector C (49P) terminal No. 46 and body ground with a jumper wire.





13. Check the ON/OFF information of the PASSENGER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicated ON?

YES -

Repair an open or high resistance in the wire.

NO -

Faulty MICU; replace the under-dash fuse/relay box.

- USA model Under-Dash Fuse/Relay Box Removal and Installation (USA Models)
- Canada model Under-Dash Fuse/Relay Box Removal and Installation (Canada Models)