Front Passenger Side Door UNLOCK Detection Switch Circuit: Procedure

1. Check the Data List to ensure proper function of the door unlock detection switch.
   MAIN BODY ECU:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P Lock Pos SW	Passenger side door lock position switch signal /ON or OFF	ON: Passenger side door lock is in UNLOCK position OFF: Passenger side door lock is in LOCK position	-

   OK

   The display is as specified in the normal condition column.

NG → See step   2 

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

1. Remove the front door lock assembly RH.
   Fig 1: Identifying Door Lock Assembly & Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

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

NG → REPLACE FRONT DOOR LOCK ASSEMBLY 

OK: Go to next step 

1. Disconnect the front door lock assembly RH connector.
   Fig 2: Identifying Wire Harness (Front Door Lock Assembly - Main Body ECU RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection (Symbols)	Condition	Specified Condition
   L8-7 (LSSR) - J75-27 (LSWP)	Always	Below 1 Ω
   L8-8 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU RH (COWL SIDE J/B RH)