Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK

REAR DOOR LOCK - INSPECTION

1. INSPECT REAR DOOR LOCK LH ASSEMBLY

INSPECT UNLOCK DETECTION SWITCH

Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20


Remove the rear door lock assembly LH.

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

  • Standard resistance:
  • Tester ConnectionMeasurement ConditionDoor Lock Condition(Specified Condition)
    6 - 9 (*1)Battery positive (+) → Terminal 2
    Battery negative (-) → Terminal 1
    Lock10 kΩ or higher
    6 - 9 (*1)Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 2
    UnlockBelow 1 Ω
    6 - 9 (*2)Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 1
    Lock10 kΩ or higher
    6 - 9 (*2)Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 4
    UnlockBelow 1 Ω

*1: w/ Double locking system


*2: w/o Double locking system


INSPECT REAR DOOR LOCK MOTOR

Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20


Apply battery voltage and check operation of the door lock motor.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 1 (*1)
    Lock
    Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 4 (*1)
    Unlock
    Battery positive (+) → Terminal 2
    Battery negative (-) → Terminal 1 (*2)
    Lock
    Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 2 (*2)
    Unlock

*1: w/ Double locking system


*2: w/o Double locking system


Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20

INSPECT DOUBLE LOCK POSITION SWITCH

Remove the rear door lock assembly LH.

Apply battery voltage and set the door lock motor to the lock position.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 2
    Battery negative (-) →Terminal 1
    Lock

Apply battery voltage to the door lock and check operation of the double lock motor.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 4
    Battery negative (-) →Terminal 3
    Double Locking System is set
    Battery positive (+) →Terminal 3
    Battery negative (-) →Terminal 4
    Double Locking System is unset

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

  • Standard resistance:
  • Tester ConnectionDouble Lock PositionSpecified Condition
    9 - 10SetBelow 1 Ω
    9 - 10Unset10 kΩ or higher
Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20

INSPECT DOUBLE DOOR LOCK MOTOR

Remove the rear door lock assembly LH.

Apply battery voltage and set the door lock motor to the lock position.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 2
    Battery negative (-) →Terminal 1
    Lock

Apply battery voltage to the door lock and check operation of the double lock motor.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 4
    Battery negative (-) →Terminal 3
    Double Locking System is set
    Battery positive (+) →Terminal 3
    Battery negative (-) →Terminal 4
    Double Locking System is unset

Check that the doors cannot be unlocked by operating the control cable while the double locking system is set.

  • OK:
  • The doors cannot be unlocked.
2. INSPECT REAR DOOR LOCK RH ASSEMBLY

INSPECT UNLOCK DETECTION SWITCH

Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20


Remove the rear door lock assembly RH.

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

  • Standard resistance:
  • Tester ConnectionMeasurement ConditionDoor Lock Condition(Specified Condition)
    9 - 10 (*1)Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 1
    Lock10 kΩ or higher
    9 - 10 (*1)Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 4
    UnlockBelow 1 Ω
    6 - 9 (*2)Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 1
    Lock10 kΩ or higher
    6 - 9 (*2)Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 4
    UnlockBelow 1 Ω

*1: w/ Double locking system


*2: w/o Double locking system


INSPECT REAR DOOR LOCK MOTOR

Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20


Remove the rear lock assembly RH.

Apply battery voltage and check operation of the door lock motor.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 3 (*1)
    Lock
    Battery positive (+) → Terminal 3
    Battery negative (-) → Terminal 4 (*1)
    Unlock
    Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 1 (*2)
    Lock
    Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 4 (*2)
    Unlock

*1: w/ Double locking system


*2: w/o Double locking system


Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20

INSPECT DOUBLE LOCK POSITION SWITCH

Apply battery voltage and set the door lock motor to the lock position.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 4
    Battery negative (-) →Terminal 3
    Lock

Apply battery voltage to the door lock and check operation of the double lock motor.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 2
    Battery negative (-) →Terminal 1
    Double Locking System is set
    Battery positive (+) →Terminal 1
    Battery negative (-) →Terminal 2
    Double Locking System is unset

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

  • Standard resistance:
  • Tester ConnectionDouble Lock PositionSpecified Condition
    5 - 6SetBelow 1 Ω
    5 - 6Unset10 kΩ or higher
Rear Door Lock - Inspection. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20

INSPECT DOUBLE DOOR LOCK MOTOR

Apply battery voltage and set the door lock motor to the lock position.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 4
    Battery negative (-) →Terminal 3
    Lock

Apply battery voltage to the door lock and check operation of the double lock motor.

  • OK:
  • Measurement ConditionSpecified Condition
    Battery positive (+) →Terminal 2
    Battery negative (-) →Terminal 1
    Double Locking System is Set
    Battery positive (+) →Terminal 1
    Battery negative (-) →Terminal 2
    Double Locking System is Unset

heck that the doors cannot be unlocked by operating the control cable while the double locking system is set.

  • OK:
  • The doors cannot be unlocked.
LEXUS IS250, IS220d / GSE20 ALE20