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Front Passengers Door Switch Circuit Troubleshooting
Keyless/Power Door Locks/Security System Symptom Troubleshooting - Front passenger's door switch circuit troubleshooting
Front passenger's door switch circuit troubleshooting
1. Turn the ignition switch to ON (II).
2. With the front 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 information indicator ON?
YES -
Go to step 4.
NO -
Go to step 9.
4. Remove the front passenger's door switch.
5. Disconnect the front passenger's door switch 1P connector.
6. Check for continuity between front 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 -
Replace the front passenger's door switch.
7. Disconnect driver's under-dash fuse/relay box connector G (16P).
8. Check for continuity between driver's under-dash fuse/relay box connector G (16P) terminal No. 3 and body ground.
Is there continuity?
YES -
Repair a short to ground in the wire.
NO -
Faulty MICU; replace the driver's under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal And Installation (USA Model), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal And Installation (Canada Model).
9. Remove the front passenger's door switch.
10. Disconnect the front passenger's door switch 1P connector.
11. Check for continuity between front 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 -
Replace the front passenger's door switch.
12. Check for continuity between driver's under-dash fuse/relay box connector G (16P) terminal No. 3 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 information indicator ON?
YES -
Repair an open or high resistance in the wire.
NO -
Faulty MICU; replace the under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal And Installation (USA Model), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal And Installation (Canada Model).