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 

   TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE
   
   

   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 kΩor higher
   P9-11 (D) - Body ground	10 kΩor higher

   NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 1: Disconnecting P10 Motor Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go To Next Step 

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 

   TESTER CONNECTION AND SPECIFIED CONDITION REFERENCE
   
   

   Tester Connection	Switch Condition	Specified Condition
   P9-1 (U) - P0-2 (GND)	UP	10 to 14 V
   P9-1 (U) - P0-2 (GND)	DOWN	10 to 14 V

   Fig 2: Checking Power Window Regulator Master Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG : REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

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