Inspection Procedure

1. Initialize the back door power window regulator motor (See INITIALIZATION  ).

1. Clear the DTC (See DTC CHECK / CLEAR  ).
2. Check for DTC (See DTC CHECK / CLEAR  ).

   OK: DTC is not output. 

NG: Go to step 3 

OK: END 

1. Disconnect the V3 back door ECU connector.
2. Disconnect the V4 back door power window regulator motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   V3-12 (DSV) - V4-4 (SSRB)	Always	Below 1 Ω
   V3-13 (DS1) - V4-3 (PLS1)	Always	Below 1 Ω
   V3-14 (DS2) - V4-5 (PLS2)	Always	Below 1 Ω
   V3-23 (DSG) - V4-6 (LMTE)	Always	Below 1 Ω
   V3-12 (DSV) - Body ground	Always	10 kΩ or higher
   V3-13 (DS1) - Body ground	Always	10 kΩ or higher
   V3-14 (DS2) - Body ground	Always	10 kΩ or higher
   V3-23 (DSG) - Body ground	Always	10 kΩ or higher

4. Reconnect the back door power window regulator motor connector.
5. Reconnect the back door ECU connector.
   Fig 1: Identifying Back Door ECU And Back Door Power Window Regulator Motor Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Replace back door power window regulator motor (See DISASSEMBLY ).

1. Clear the DTC (See DTC CHECK / CLEAR  ).
2. Check for DTC (See DTC CHECK / CLEAR  ).

   OK: DTC is not output. 

NG: REPLACE BACK DOOR ECU  (See DISASSEMBLY )

OK: END