Power Door Lock Control System Only Driver Door Lock / Unlock Functions Do Not Operate

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FRONT DOOR LOCK MOTOR)

INSPECT FRONT DOOR LOCK ASSEMBLY (DRIVER SIDE)

READ VALUE OF INTELLIGENT TESTER (DOOR LOCK POSITION SWITCH)

INSPECT FRONT DOOR LOCK ASSEMBLY (DRIVER SIDE) (DOOR LOCK POSITION SWITCH)

CHECK WIRE HARNESS (DRIVER DOOR ECU - FRONT DOOR LOCK ASSEMBLY (DRIVER SIDE))

CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

1. Select the Active Test, use the intelligent tester to generate a condition command, and then check that the door lock motor operates.
   

Driver door ECU:

Item	Tester Details	Diagnostic Note
Door Lock	Operate door lock motor LOCK/UNLOCK	-

OK:

Door locks/unlocks.

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

   OK:

   LHD (w/ Double locking system)

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

   LHD (w/o Double locking system):

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

   RHD (w/ Double locking system):

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

   RHD (w/o Double locking system):

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

1. Check the Data List for proper functioning of the door lock position switch.
   
   

   Multiplex network master switch assembly:

   
   

   Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
   Door Unlock Detection SW	Door lock position switch signal/ON or OFF	ON: Driver side door is unlocked OFF: Driver side door is locked	-

OK:

ON (driver side door is unlocked) appears on screen.

1. Measure the resistance of the switch.
   

   Standard resistance:

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

1. Disconnect the O4*1 or N3*2 ECU connector.
   

2. Disconnect the O6*1 or N6*2 door lock connector.
   

3. Measure the resistance of the wire harness side connectors.
   

   Standard resistance:

   LHD

   Tester Connection	Specified Condition
   O4-1 (A-) - O6-3 (UL)*3	Below 1 Ω
   O4-1 (A-) - O6-1 (UL)*4	Below 1 Ω
   O4-2 (A+) - O6-4 (L)	Below 1 Ω
   O4-13 (LSWE) - O6-7 (E)	Below 1 Ω

   RHD:

   Tester Connection	Specified Condition
   N3-1 (A-) - N6-1 (UL)	Below 1 Ω
   N3-2 (A+) - N6-2 (L)*3	Below 1 Ω
   N3-2 (A+) - N6-4 (L)*4	Below 1 Ω
   N3-13 (LSWE) - N6-8 (E)	Below 1 Ω

   HINT:

   *1: LHD

   *2: RHD

   *3: w/ Double locking system

   *4: w/o Double locking system

1. Disconnect the O6*1 or N6*2 door lock connector.
   

2. Disconnect the S5*1 or R9*2 switch connector.
   

3. Measure the resistance of the wire harness side connectors.
   

   Standard resistance:

   LHD

   Tester Connection	Specified Condition
   O6-8 (LSSR) - S5-16 (LSW)	Below 1 Ω

   RHD:

   Tester Connection	Specified Condition
   N6-8 (LSSR) - R9-16 (LSW)	Below 1 Ω

   HINT:

   *1: LHD

   *2: RHD