Passengers Door Switch Circuit Troubleshooting

Keyless/Power Door Locks/Security System Symptom Troubleshooting - Passenger's door switch circuit troubleshooting

Passenger's door switch circuit troubleshooting

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

2. With the passenger's door closed, select SECURITY with the HDS, and enter the DATA LIST.

3. Check the ON/OFF information of the FRONT PASSENGER'S DOOR SWITCH in the DATA LIST.

Is the data list value indicated ON?

YES -

Go to step 4.

NO -

Go to step 9.

4. Remove the passenger's door switch.

5. Disconnect the passenger's door switch 1P connector.

6. Check for continuity between passenger's 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 7.

NO -

Faulty passenger's door switch; replace the passenger's door switch.

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

8. Check for continuity between under-dash fuse/relay box connector C (49P) terminal No. 32 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 models Under-Dash Fuse/Relay Box Removal and Installation (USA Models)
- Canada models Under-Dash Fuse/Relay Box Removal and Installation (Canada Models)

9. Remove the passenger's door switch.

10. Disconnect the passenger's door switch 1P connector.

11. Check for continuity between passenger's 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 -

Faulty passenger's door switch; replace the passenger's door switch.

12. Connect under-dash fuse/relay box connector C (49P) terminal No. 32 and body ground with a jumper wire.





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

Is the data list value indicated ON?

YES -

Repair an open or high resistance in the wire.

NO -

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

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