Inspection Procedure

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   20 (U) - 12 (E)	Manual UP	Below 1 Ω
   15 (D) - 12 (E)	Manual DOWN	Below 1 Ω

Fig 1: Identifying Power Window Regulator Master Switch Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

OK: Go to Next Step 

1. Disconnect the 14 and 15 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
   I4-1 (E) - I5-12 (E)	Always	Below 1 Ω
   I4-5 (LED) - I5-3 (LED)	Always	Below 1 Ω
   I4-7 (DWN1) - I5-15 (D)	Always	Below 1 Ω
   I4-9 (LIN) - I5-16 (LIN2)	Always	Below 1 Ω
   I4-10 (UP1) - I5-2O (U)	Always	Below 1 Ω
   I4-1 (E) - Body ground	Always	10 kΩ or higher
   I4-5 (LED) - Body ground	Always	10 kΩ or higher
   I4-7 (DWN1) - Body ground	Always	10 kΩ or higher
   I4-9 (LIN) - Body ground	Always	10 kΩ or higher
   I4-10 (UP1) - Body ground	Always	10 kΩ or higher

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE DRIVER SIDE POWER WINDOW REGULATOR MOTOR ASSEMBLY