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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Door Lock) >> Power Door Lock Control System >> Only Driver Door LOCK / UNLOCK Functions do not Operate >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST BY TECHSTREAM (DOOR LOCK) 
    1. Select the Active Test, use Techstream to generate a control command, and then check that the doors lock / unlock.

      Main body 

      CONTROL RANGE CHART

      Tester Display Test Part Control Range Diagnostic Note
      D-Door Unlock Operate driver side door unlock ON / OFF -

      OK: 

      Doors can lock / unlock. 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

    NG: Go to next step 

  2. READ VALUE OF TECHSTREAM (LOCK POSITION SWITCH) 
    1. Use the Data List to check if the door lock is functioning properly.

      Main body 

      MEASUREMENT ITEM/RANGE CHART

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D-Door Lock Pos SW Driver side door lock position switch signal ON / OFF ON: Driver side door is unlocked
      OFF: Driver side door is locked
      -

      OK: 

      When the door lock is operating, Techstream should display as shown in the table.

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

    NG: Go to next step 

  3. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH 
    1. Apply the battery voltage to the motor terminals and check the operation of the door lock motor.

      OK 

      MEASUREMENT CONDITION AND SPECIFIED CONDITION

      Measurement Condition Specified Condition
      Battery positive (+) → 4 (L)
      Battery negative (-) → 1 (UL)
      Lock
      Battery positive (+) → 1 (UL)
      Battery negative (-) → 4 (L)
      Unlock
    2. Measure the resistance of the door lock position switch.

      Standard resistance 

      STANDARD RESISTANCE

      Tester Connection Switch Condition Specified Condition
      8 (LSSR) - 7 (E) Lock 10 kΩ or higher
      8 (LSSR) - 7 (E) Unlock Below 1 Ω
    3. Fig 1: Inspecting Front Door With Motor Lock Assembly LH
      G05586103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH 

    OK: Go to next step 

  4. CHECK WIRE HARNESS (DOOR LOCK - ECU) 
    Fig 2: Identifying H5 Door Lock, E15 ECU And IH Junction Block Connector Terminals
    G05586104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H5 door lock connector.
    2. Disconnect the E15 ECU connector.
    3. Disconnect the IH junction block connector.
    4. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      STANDARD RESISTANCE

      Tester Connection Specified Condition
      H5-1 (UL) - E15-5 (ACTD) Below 1 Ω
      H5-4 (L) - IH-8 (ACT+) Below 1 Ω
      H5-8 (LSSR) - E15-25 (LSWD) Below 1 Ω
      H5-9 (L) - IH-7 (L2) Below 1 Ω
      H5-10 (UL) - E15-9 (UL3) Below 1 Ω
      H5-7 (E) - Body ground Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)