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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Front Door Lock >> Inspection

Front Door Lock: Inspection

  1. INSPECT FRONT DOOR LOCK LH ASSEMBLY 
    1. Remove the front door lock assembly LH.
      Fig 1: Locating Front Door Inside Locking Cable Assembly
      G05828068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check operation of the door lock motor.
      1. Apply battery voltage and check operation of the door lock motor.

        OK 

        MEASUREMENT CONDITION CHART

        Measurement Condition Specified Condition
        Battery positive (+) → Terminal 4
        Battery negative (-) → Terminal 1
        Lock
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 4
        Unlock
        Fig 2: Checking Operation Of Door Lock Motor
        G05828069Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check operation of the door key lock and unlock switch.
      1. Measure the resistance according to the value (s) in the table below.

        Standard resistance 

        STANDARD RESISTANCE SPECIFICATION

        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
        Fig 3: Checking Operation Of Door Key Lock And Unlock Switch
        G05828070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Check operation of the door unlock detection switch.
      1. Measure the resistance according to the value (s) in the table below.

        Standard resistance 

        STANDARD RESISTANCE SPECIFICATION

        Tester Connection Measurement Condition Door Lock Condition Specified Condition
        7-8 Battery positive (+) → Terminal 4
        Battery negative (-) → Terminal 1
        Lock 10 kΩ or higher
        7-8 Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 4
        Unlock Below 1 Ω
      Fig 4: Checking Operation Of Door Unlock Detection Switch
      G05828071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT FRONT DOOR LOCK RH ASSEMBLY 
    1. Remove the front door lock assembly RH.
    2. Check operation of the door lock motor.
      1. Apply battery voltage and check operation of the door lock motor.

        OK 

        MEASUREMENT CONDITION CHART

        Measurement Condition Specified Condition
        Battery positive (+) → Terminal 4
        Battery negative (-) → Terminal 1
        Lock
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 4
        Unlock
        Fig 5: Checking Operation Of Door Lock Motor
        G05828072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check operation of the door unlock detection switch.
      1. Measure the resistance according to the value (s) in the table below.

        Standard resistance 

        STANDARD RESISTANCE SPECIFICATION

        Tester Connection Measurement Condition Door Lock Condition Specified Condition
        7-8 Battery positive (+) → Terminal 4
        Battery negative (-) → Terminal 1
        LOCK 10 kΩ or higher
        7-8 Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 4
        UNLOCK Below 1 Ω
        Fig 6: Checking Operation Of Door Unlock Detection Switch
        G05828073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002