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Home >> Lexus >> 2008 >> RX 400h FWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Front Door Lock >> Inspection

Front Door Lock: Inspection

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

      OK 

      MEASUREMENT SPECIFIED CONDITION CHART

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → terminal 1
      Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4
      Unlock

      HINT:

      If the result is not as specified, replace the door lock assembly.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Door Lock Position Specified Condition
      7 - 8 Lock 10 kΩ or higher
      7 - 8 Unlock Below 1 Ω
      Fig 1: Inspecting Front Door Lock Assembly LH
      G05140954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      If the result is not as specified, replace the door lock assembly.

    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      7 - 9 ON (Door lock set to LOCK) Below 1 Ω
      7 - 9, 7 - 10 OFF (Free) 10 kΩ or higher
      7 - 10 ON (Door lock set to UNLOCK) Below 1 Ω

      HINT:

      If the result is not as specified, replace the door lock assembly.

      Fig 2: Inspecting Front Door Lock Assembly LH
      G04980479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT FRONT DOOR LOCK ASSEMBLY RH 
    1. Apply battery voltage to the door lock and check operation of the motor.

      OK 

      MEASUREMENT SPECIFIED CONDITION CHART

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1
      Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4
      Unlock

      HINT:

      If the result is not as specified, replace the door lock assembly.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Door Lock Position Specified Condition
      7 - 8 Lock 10 kΩ or higher
      7 - 8 Unlock Below 1 Ω

      HINT:

      If the result is not as specified, replace the door lock assembly.

      Fig 3: Inspecting Front Door Lock Assembly RH
      G05140956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002