Inspection Procedure

1. Disconnect the J4 connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   2 (E) - 4 (A) - 5 (E)	Auto UP	Below 1 Ω
   2 (U) - 5 (E)	Manual UP	Below 1 Ω
   5 (E) - 10 (D)	Manual DOWN	Below 1 Ω
   4 (A) - 10 (D) - 5 (E)	Auto DOWN	Below 1 Ω

Fig 1: Identifying J4 Connector Terminals

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NG: REPLACE POWER WINDOW REGULATOR SWITCH 

OK: Go to Next Step 

1. Disconnect the J3 and J4 connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   J3-4 (AUTO) - J4-4 (A)	Always	Below 1 Ω
   J3-5 (LED) - J4-8 (LED)	Always	Below 1 Ω
   J3-7 (DWN1) - J4-2 (U)	Always	Below 1 Ω
   J3-10 (UP1) - J4-10 (D)	Always	Below 1 Ω
   J3-4 (AUTO) - Body ground	Always	10 kΩ or higher
   J3-5 (LED) - Body ground	Always	10 kΩ or higher
   J3-7 (DWN1) - Body ground	Always	10 kΩ or higher
   J3-10 (UP1) - Body ground	Always	10 kΩ or higher

Fig 2: Checking Wire Harness (Power Window Regulator Switch - Power Window ECU)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: END