Inspection Procedure

1. Disconnect the P37 regulator switch connector.
2. Turn the ignition switch ON.
3. Check the voltage between the terminal 4 of the wire harness side connector and the body ground.

   Standard voltage 

   VOLTAGE SPECIFICATION
   
   

   Terminal No.	Condition	Specified Condition
   P37-4 (B) - Body ground	Ignition switch ON	10 to 14 V

Fig 1: Identifying P37 Regulator Switch Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (REGULATOR SWITCH - RELAY) 

OK: Go to next step. 

1. Remove the regulator switch.
2. Check the resistance between the switch terminals when the switch is operated, as shown in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Terminal No.	Regulator Switch	Specified Condition
   1 - 2, 3 - 4	UP	Below 1 Ω
   1 - 2, 3 - 5	OFF
   1 - 4, 3 - 5	DOWN

Fig 2: Identifying Regulator Switch Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT PASSENGER SIDE POWER WINDOW SWITCH 

OK: Go to next step. 

1. Disconnect the P41 motor connector.
2. Check the resistance between the wire harness side connectors.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Terminal No.	Specified Condition
   P37-1 (D) - P41-1	Below 1 Ω
   P37-3 (U) - P41-2

3. Check the resistance between the P37 regulator switch connector and body ground.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Terminal No.	Specified Condition
   P37-1 (D) - Body ground	10 kΩ or higher
   P37-3 (U) - Body ground

Fig 3: Identifying P37 And P41 Connectors Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to next step. 

1. Remove the motor.
2. Apply battery voltage to connector terminals 1 and 2.
3. Check that the motor smoothly rotates.
   NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.

   Standard 

   SPECIFIED CONDITION CHART
   
   

   Terminal No.	Specified Condition
   Battery positive (+) → 1 Battery negative (-) → 2	Motor gear rotates clockwise
   Battery positive (+) → 2 Battery negative (-) → 1	Motor gear rotates counterclockwise

   Fig 4: Identifying Power Window Regulator Motor Assembly (Front RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (PASSENGER SIDE) 

OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (MASTER SWITCH - REGULATOR SWITCH)