Inspection Procedure

1. Check that the power window AUTO UP/DOWN function operates normally.

OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

NG: Go to next step 

1. Disconnect the P9 master switch connector.
2. Disconnect the P10 motor connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   P9-1 (U) - P10-2 (U)	Below 1 Ω
   P9-11 (D) - P10-1 (D)	Below 1 Ω
   P9-1 (U) - Body ground	10 kΩ or higher
   P9-11 (D) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 1: Identifying P9 Master Switch And P10 Motor Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

Fig 2: Identifying Power Window Regulator Master Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the master switch but do not disconnect the connector.
2. Turn the ignition switch ON.
3. Measure the voltage of the connector.

   Standard voltage 

   VOLTAGE SPECIFICATION
   
   

   Tester Connection	Switch Condition	Specified Condition
   P9-1 (U) - P9-2 (GND)	UP	11 to 14 V
   P9-11 (D) - P9-2 (GND)	DOWN	11 to 14 V

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (DRIVER SIDE)