Inspection Procedure

HINT:

• Before this procedure, check if the wireless door lock system operation is normal.
• Each door lock position circuit is the same procedure. First, inspect the suspected door lock position circuit.

1. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) 
   1. Check the DATA LIST for proper functioning of the transistor relay.

      Main body ECU 

      MAIN BODY ECU DATA LIST
      
      

      Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
      D-Door Lock Position SW	Driver's door lock position switch signal / ON or OFF	ON: Driver door lock is in unlock position OFF: Driver door lock is in lock position	-
      Passenger Lock Position SW	Front passenger's door lock position switch signal / ON or OFF	ON: Front passenger door lock is in unlock position OFF: Front passenger door lock is in lock position	-

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

   NG : GO TO NEXT STEP 

2. CHECK DRIVER SIDE JUNCTION BLOCK (MAIN BODY ECU) 
   Fig 1: Identifying Driver Side Junction Block (Main Body ECU) Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the voltage of the connector.

      Standard voltage 

      TESTER CONNECTION - SPECIFIED CONDITION
      
      

      Tester Connection	Condition	Specified Condition
      B7-25 (LSWD) - Body ground	Driver side door is locked	Below 1 V
      	Driver side door is unlocked	10 to 14 V
      B7-10 (LSWP) - Body ground	Front passenger door is locked	Below 1 V
      	Front passenger door is unlocked	10 to 14 V
      B5-10 (LSWR) - Body ground	Both rear doors are locked	Below 1 V
      	Both rear doors are unlocked	10 to 14 V

   NG : GO TO POWER DOOR LOCK CONTROL SYSTEM 

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