Inspection Procedure

1. Check the DATA LIST for proper functioning of the door unlock detection switch.
   BODY ECU DATA LIST
   
   

   Item	Measurement Item / Display (Range)	Normal Condition	Diagnostic Note
   D LOCK POS SW	Door unlock detection switch signal / ON or OFF	ON: Door is unlocked OFF: Door is locked	-

   OK: 

   "ON" (door is unlocked) appears on the screen. 

NG: Go to step 2 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  

1. Remove the front door lock assembly LH.
   Fig 1: Inspecting Front Door Lock Assembly LH

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Measure the resistance of the door unlock detection switch.
   RESISTANCE SPECIFIED CONDITION
   
   

   Tester Condition	Door Lock Condition	Specified Condition
   Battery positive (+) --> Terminal 1 Battery negative (-) --> Terminal 4	ON (Door lock set to UNLOCK)	7 - 8 (Below 1 )
   Battery positive (+) --> Terminal 4 Battery negative (-) --> Terminal 1	OFF (Door Lock set to LOCK)	7 - 8 (10 k or higher)

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH 

OK: GO TO NEXT STEP 

1. Disconnect the D8 and H9 connectors.
   Fig 2: Disconnecting D8 And H9 Connectors

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Measure the resistance of the wire harness side connectors.

   Resistance 

   RESISTANCE SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D8-7 - H9-8	Always	Below 1
   H9-7 - Body ground	Always	Below 1

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE