Inspection Procedure

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

   Body ECU: 

   BODY ECU DATA LIST
   
   

   Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
   D DOR KEY SW-UL	Door key lock and unlock switch signal (Driver)/ON or OFF	ON: Door key is unlocked OFF: Door key is locked	-

   OK: 

   "ON" (door key switch 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 (Door Key Lock And Unlock Switch)

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Measure the resistance of the switch when the switch is operated.
   RESISTANCE SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   10 - 7	ON (Door lock set to UNLOCK)	Below 1
   9 - 7	OFF(Door lock set to LOCK)	10 k or higher

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH 

OK: GO TO NEXT STEP 

1. Disconnect the D8 and I10 connectors.
   Fig 2: Disconnecting D8 And I10 Connectors

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Remove the body ECU from instrument panel J/B.
3. Measure the resistance of the switch when the switch is operated.
   RESISTANCE SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   10 - I10-9	Always	Below 1
   D8-7 - I10-10	Always	Below 1
   D10-7 - Body ground	Always	Below 1

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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