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Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> (Door / Hatch) (Except Hybrid) >> Back Door Closer System >> DTC B2250 Back Door Closer Operation Malfunction >> Inspection Procedure

Inspection Procedure

  1. INSPECT BACK DOOR LOCK (SECTOR SWITCH) 
    Fig 1: Inspecting Back Door Lock (Sector Switch)
    G05422013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the back door lock. (See REMOVAL )
    2. Measure the resistance of the switch.

      Standard resistance: 

      Sector switch 

      RESISTANCE SPECIFICATION

      Tester Connection Door Lock Latch Position Specified Condition
      6 (POS) - 4 (GND) Open-latch Below 1 Ω
      6 (POS) - 4 (GND) Over-latch 10 kΩ or higher
      6 (POS) - 4 (GND) Full-latch 10 kΩ or higher
      6 (POS) - 4 (GND) Half-latch 10 kΩ or higher

      NG: REPLACE BACK DOOR LOCK  (See REMOVAL )

      OK: Go to next step 

    3. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK - POWER BACK DOOR ECU AND BODY GROUND) 
      1. Disconnect the T4 door lock connector.
      2. Disconnect the 015 ECU connector.
      3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      T4-6 (POS) - O15-24 (POS) Always Below 1 Ω
      T4-4 (GND) - Body ground Always Below 1 Ω
      T4-6 (POS) - Body ground Always 10 kΩ or higher

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      Fig 2: Identifying T4 Door Lock And 015 ECU Connector Terminals
      G05422014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: REPLACE POWER BACK DOOR DRIVE UNIT (POWER BACK DOOR ECU)  (See REMOVAL )

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