Inspection Procedure

1. Remove the back door lock assembly (see REMOVAL  ).
2. Check operation of the door courtesy switch.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance (Courtesy switch) 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Switch Condition	Specified Condition
   1 - 3	Lock	10 kΩ or higher
   1 - 3	Unlock	Below 1 Ω

4. Reinstall the back door lock assembly (see INSTALLATION  ).

Fig 1: Identifying Back Door Lock Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPLACE BACK DOOR LOCK ASSEMBLY  (See REMOVAL  )

OK: Go to next step 

1. Disconnect the 2A main body ECU (instrument panel junction block) connector.
2. Disconnect the L3 back door lock assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   2A-7 (BCTY) - L3-3 (D+)	Always	Below 1 Ω
   2A-7 (BCTY) - Body ground	Always	10 kΩ or higher
   L3-1 - Body ground	Always	Below 1 Ω

4. Reconnect the back door lock assembly connector
5. Reconnect the main body ECU (instrument panel junction block) connector.

Fig 2: Identifying Main Body ECU And Back Door Lock 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  .