Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK

INSPECT FRONT DRIVER SIDE DOOR LOCK ASSEMBLY

INSPECT FRONT PASSENGER SIDE DOOR LOCK ASSEMBLY

FRONT DOOR LOCK - INSPECTION

1. INSPECT FRONT DRIVER SIDE DOOR LOCK ASSEMBLY

INSPECT UNLOCK DETECTION SWITCH: LHD MODELS

Remove the front door lock assembly LH.

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

Standard resistance:

Tester Connection	Measurement Condition	Door Lock Condition	Specified Condition
7 - 8	Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 3	Lock	10 kΩ or higher
7 - 8	Battery positive (+) → Terminal 3 Battery negative (-) → Terminal 4	Unlock	Below 1 Ω

INSPECT UNLOCK DETECTION SWITCH: RHD MODELS

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

Remove the front door lock assembly RH.

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

Standard resistance:

Tester Connection	Measurement Condition	Door Lock Condition	Specified Condition
7 - 8 (*1)	Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Lock	10 kΩ or higher
7 - 8 (*1)	Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	Unlock	Below 1 Ω
7 - 8 (*2)	Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 1	Lock	10 kΩ or higher
7 - 8 (*2)	Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4	Unlock	Below 1 Ω

*1: w/ Double locking system

*2: w/o Double locking system

INSPECT DOOR LOCK MOTOR: LHD MODELS

Remove the front door lock assembly LH.

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

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

INSPECT DOOR LOCK MOTOR: RHD MODELS

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

Remove the front door lock assembly RH.

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

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1 (*1)	Lock
Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2 (*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

INSPECT DOUBLE LOCK POSITION SWITCH: LHD MODELS

Remove the front door lock assembly LH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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 Connection Double Lock Position Specified Condition
5 - 6 Set Below 1 Ω
5 - 6 Unset 10 kΩ or higher

INSPECT DOUBLE LOCK POSITION SWITCH: RHD MODELS

Remove the front door lock assembly RH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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 Connection Double Lock Position Specified Condition
9 - 10 Set Below 1 Ω
9 - 10 Unset 10 kΩ or higher

INSPECT DOUBLE DOOR LOCK MOTOR: LHD MODELS

Remove the front door lock assembly LH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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

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.

INSPECT DOUBLE DOOR LOCK MOTOR: RHD MODELS

Remove the front door lock assembly RH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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 FRONT PASSENGER SIDE DOOR LOCK ASSEMBLY

INSPECT UNLOCK DETECTION SWITCH: LHD MODELS

Remove the front door lock assembly RH.

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

Standard resistance:

Tester Connection	Measurement Condition	Door Lock Condition	(Specified Condition)
7 - 8	Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	LOCK	10 kΩ or higher
7 - 8	Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	UNLOCK	Below 1 Ω

INSPECT UNLOCK DETECTION SWITCH: RHD MODELS

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

Remove the front door lock assembly LH.

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

Standard resistance:

Tester Connection	Measurement Condition	Door Lock Condition	(Specified Condition)
7 - 8 (*1)	Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 3	LOCK	10 kΩ or higher
7 - 8 (*1)	Battery positive (+) → Terminal 3 Battery negative (-) → Terminal 4	UNLOCK	Below 1 Ω
7 - 8 (*2)	Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 1	LOCK	10 kΩ or higher
7 - 8 (*2)	Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4	UNLOCK	Below 1 Ω

*1: w/ Double locking system

*2: w/o Double locking system

INSPECT DOOR LOCK MOTOR: LHD MODELS

Remove the front door lock assembly RH.

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

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

INSPECT DOOR LOCK MOTOR: RHD MODELS

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

Remove the front door lock assembly LH.

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

Measurement Condition	Specified 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

INSPECT DOUBLE LOCK POSITION SWITCH: LHD MODELS

Remove the front door lock assembly RH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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 Connection Double Lock Position Specified Condition
9 - 10 Set Below 1 Ω
9 - 10 Unset 10 kΩ or higher

INSPECT DOUBLE LOCK POSITION SWITCH: RHD MODELS

Remove the front door lock assembly LH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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 Connection Double Lock Position Specified Condition
5 - 6 Set Below 1 Ω
5 - 6 Unset 10 kΩ or higher

INSPECT DOUBLE LOCK POSITION SWITCH: LHD MODELS

Remove the front door lock assembly RH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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.

DOUBLE LOCK POSITION SWITCH: RHD MODELS

Remove the front door lock assembly LH.

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

OK:
Measurement Condition Specified 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.

Measurement Condition	Specified 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

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.

Tester Connection	Double Lock Position	Specified Condition
5 - 6	Set	Below 1 Ω
5 - 6	Unset	10 kΩ or higher