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 SW. (UNLOCK) in the DATA LIST.

Is information indicator 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 SW. (UNLOCK) in the DATA LIST.

Is information indicator 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 passenger's under-dash fuse/relay box connector H (38P).

7. Check for continuity between passenger's under-dash fuse/relay box connector H (38P) terminal No. 22 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Faulty passenger's MICU; replace the passenger's under-dash fuse/relay box Passengers Under-Dash Fuse/Relay Box (Passengers MICU) Removal and Installation.�

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 SW. (UNLOCK) in the DATA LIST.

Is information indicator ON?

YES -

Go to step 11.

NO -

Go to step 12.

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





Is there continuity?

YES -

Faulty right rear door lock knob switch (UNLOCK); replace the right rear door latch Service and Repair.�

NO -

Repair an open or high resistance in the ground wire or poor ground (G651).�

12. Connect passenger's under-dash fuse/relay box connector H (38P) terminal No. 22 and body ground with a jumper wire.





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

Is information indicator ON?

YES -

Repair an open or high resistance in the wire.�

NO -

Faulty passenger's MICU; replace the passenger's under-dash fuse relay box Passengers Under-Dash Fuse/Relay Box (Passengers MICU) Removal and Installation.�