Left Rear Door Switch Circuit Troubleshooting

Keyless/Power Door Locks/Security System Symptom Troubleshooting - Left rear door switch circuit troubleshooting

Left rear door switch circuit troubleshooting

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

2. With the left rear door closed, select SECURITY with the HDS, and enter the DATA LIST.

3. Check the ON/OFF information of the DRIVER'S REAR SWITCH in the DATA LIST.

Is information indicator ON?

YES -

Go to step 4.

NO -

Go to step 9.

4. Remove the left rear door switch.

5. Disconnect the left rear door switch 1P connector.

6. Check for continuity between the left rear door switch 1P connector and switch ground.





Is there no continuity when the switch pushed, and is there continuity when the switch released?

YES -

Go to step 7.

NO -

Replace the left rear door switch.�

7. Disconnect driver's under-dash fuse/relay box connector D (16P).

8. Check for continuity between driver's under-dash fuse/relay box connector D (16P) terminal No. 4 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Faulty driver's MICU; replace the driver's under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (Canada models).�

9. Remove the left rear door switch.

10. Disconnect the left rear door switch 1P connector.

11. Check for continuity between left rear door switch 1P connector and switch ground.





Is there no continuity when the switch is pushed and is there continuity when the switch is released?

YES -

Go to step 12.

NO -

Replace the left rear door switch.�

12. Connect driver's under-dash fuse/relay box connector D (16P) terminal No. 4 and body ground with a jumper wire.





13. Check the ON/OFF information of the DRIVER'S REAR DOOR SWITCH in the DATA LIST.

Is information indicator ON?

YES -

Repair an open or high resistance in the wire.�

NO -

Faulty driver's MICU; replace the driver's under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (Canada models).�