Power Door Lock Control System Only Passenger 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 (PASSENGER SIDE)

READ VALUE OF INTELLIGENT TESTER (DOOR LOCK POSITION SWITCH)

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

CHECK WIRE HARNESS (PASSENGER DOOR ECU - FRONT DOOR LOCK ASSEMBLY)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

Passenger door ECU:

Item	Test 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 2 Battery negative (-) → Terminal 1	Lock
   Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	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 4 Battery negative (-) → Terminal 3	Lock
   Battery positive (+) → Terminal 3 Battery negative (-) → Terminal 4	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.
   

Passenger door ECU:

Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
Lock Pos SW	Passenger side door lock position switch signal/ON or OFF	ON: Passenger side door is unlocked OFF: Passenger side door is locked	-

OK:

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

1. Measure the resistance of the position switch.
   

   Standard resistance:

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

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

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

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

   Standard resistance:

   LHD

   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
   N3-14 (LSW) - N6-7 (LSSR)	Below 1 Ω
   N3-13 (LSWE) - N6-8 (E)	Below 1 Ω

   RHD:

   Tester Connection	Specified Condition
   O4-1 (A-) - O6-3 (UL)*3	Below 1 Ω
   O4-1 (A-) - O6-1 (UL)*4	Below 1 Ω
   O4-1 (A+) - O6-4 (L)	Below 1 Ω
   O4-14 (LSW) - O6-7 (LSSR)	Below 1 Ω
   O4-13 (LSWE) - O6-8 (E)	Below 1 Ω

   HINT:

   *1: LHD

   *2: RHD

   *3: w/ Double locking system

   *4: w/o Double locking system