Inspection Procedure

1. Check the DATA LIST to ensure proper function of the door unlock detection switch.

   MASTER SW: 

   NORMAL CONDITION TABLE
   
   

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

   OK: The display is as specified in the normal condition. 

NG: Go to step   2 

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

1. Remove the front door lock assembly.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   MEASUREMENT CONNECTION SPECIFIED CONDITION REFERENCE TABLE
   
   

   Measurement Condition	Door Lock Condition	Specified Condition
   Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 1	Lock	7 - 8 (10 kΩ or higher)
   Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4	Unlock	7 - 8 (Below 1 Ω)

   Fig 1: Identifying Front Door Lock Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR LOCK ASSEMBLY 

OK: Go to next step. 

1. Disconnect the front door lock assembly connector.
2. Disconnect the multiplex network master switch assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLE
   
   

   Tester Connection	Condition	Specified Condition
   D10-8 (LSSR) - P22-16 (LSW)	Always	Below 1 Ω
   D10-7 (E) - Body ground	Always	Below 1 Ω

   Fig 2: Identifying Front Door Lock Assembly & Multiplex Network Master Switch Assembly Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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