Rear Door UNLOCK Detection Switch RH Circuit: Procedure
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE USING TECHSTREAM (DOOR UNLOCK DETECTION SWITCH)
- Connect Techstream to the DLC3.
- Turn the ignition switch on (IG).
- Turn the tester on.
- Enter the following menus: Body Electrical / Main Body / Data List.
- Read the Data List according to the display on the tester.MAIN BODY:
Tester Display Measurement Item /Range Normal Condition Diagnostic Note Rear Lock Position SW Door unlock detection switch signal / ON or OFF ON: Door is unlocked
OFF: Door is locked- OK
On the tester screen, each item changes between ON and OFF according to the chart above.
NG → See step 2
OK → PROCEED TO PROBLEM SYMPTOMS TABLE NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- INSPECT REAR DOOR LOCK ASSEMBLY RH (DOOR UNLOCK DETECTION SWITCH)
- Remove the rear door lock assembly RH.
- Measure the resistance of the door unlock detection switch.
Resistance
Tester Connection Door Lock Condition Specified Condition Battery positive (+) → Terminal 1
Battery negative (-) → Terminal 4ON (Door lock set to UNLOCK) 6 - 9 (Below 1 Ω) Battery positive (+) → Terminal 4
Battery negative (-) → Terminal 1OFF (Door lock set to LOCK) 6 - 9 (10 kΩ or higher)
NG → REPLACE REAR DOOR LOCK ASSEMBLY RH
OK: Go to next step
- CHECK WIRE HARNESS (REAR DOOR LOCK ASSEMBLY RH - INSTRUMENT PANEL J/B)
- Disconnect the D6 and I5 connectors.
- Measure the resistance of the wire harness side connectors.
Resistance
Tester Connection Condition Specified Condition D6-5 (LSWR) - I5-6 Always Below 1 Ω I5-9 - Body ground Always Below 1 Ω
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → PROCEED TO PROBLEM SYMPTOMS TABLE NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE