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 front passenger's MPCS unit connector A (28P).
7. Check for continuity between front passenger's MPCS unit connector A (28P) terminal No. 26 and body ground.
Is there continuity?
YES -
Repair a short to ground in the wire.
NO -
Replace the front passenger's MPCS unit Power Windows (Front Passengers MPCS Unit) Input Test/Replacement.
8. Disconnect the right rear door latch 10P connector.
9. Connect right rear door latch 10P connector terminal No. 8 to 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 rear 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 front passenger's MPCS unit connector A (28P) terminal No. 26 to 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 -
Replace the front passenger's MPCS unit Power Windows (Front Passengers MPCS Unit) Input Test/Replacement.