Inspection Procedure

1. Remove the back door lock. (See REMOVAL )
2. Measure the resistance of the switch.

   Standard resistance: Sector switch 

   TESTER CONNECTION SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Door Lock Latch Position	Specified Condition
   6 (POS) - 4 (GND)	Open-latch	Below 1 Ω
   6 (POS) - 4 (GND)	Over-latch	10 kΩ or higher
   6 (POS) - 4 (GND)	Full-latch	10 kΩ or higher
   6 (POS) - 4 (GND)	Half-latch	10 kΩ or higher

   Fig 1: Identifying Back Door Lock (Sector Switch)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE BACK DOOR LOCK  (See REMOVAL )

OK: Go to next step 

1. Disconnect the T4 door lock connector.
2. Disconnect the O15 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   T4-6 (POS) - O15-24 (POS)	Always	Below 1 Ω
   T4-4 (GND) - Body ground	Always	Below 1 Ω
   T4-6 (POS) - Body ground	Always	10 kΩ or higher

   Fig 2: Identifying Harness & Connector (Back Door Lock - Power Back Door ECU & Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE POWER BACK DOOR DRIVE UNIT (POWER BACK DOOR ECU)  (See REMOVAL  )