Inspection Procedure

1. Apply the battery voltage to the door lock motor and check the operation of the door lock motor.

   OK 

   DOOR LOCK MOTOR OPERATION CONDITIONS
   
   

   Measurement Condition	Specified Condition
   Battery positive (+) --> 4 (ACT+) Battery negative (-) --> 1 (ACT-)	Lock
   Battery positive (+) --> 1 (ACT-) Battery negative (-) --> 4 (ACT+)	Unlock

   Fig 1: Inspecting Back Door With Motor Lock Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE BACK DOOR WITH MOTOR LOCK ASSEMBLY 

OK: Go TO NEXT STEP. 

1. Disconnect the Q7 door lock connector.
2. Disconnect the IH junction block connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   RESISTANCE SPECIFIED CONDITIONS
   
   

   Tester Connection	Specified Condition
   Q7-1 (ACT-) - IH-18 (ACT-)	Below 1 Ω
   Q7-4 (ACT+) - IH-17 (ACT+)	Below 1 Ω

   Fig 2: Identifying Q7 Door Lock And IH Junction Block Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)