Inspection Procedure

WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (BW, BDR VOLTAGE)

Disconnect the P17 switch connector.

Fig 1: Identifying Power Window Regulator Master Switch Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the voltage of the wire harness side connector.

Standard voltage

TERMINALS VOLTAGE SPECIFICATION

Tester Connection	Condition	Specified Condition
P17-7 (BW) - P17-1 (E)	Always	10 to 14 V
P17-11 (BDR) - P17-1 (E)	Power switch ON (IG)	10 to 14 V

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR (BATTERY - MASTER SWITCH)

OK : GO TO NEXT STEP

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY FRONT LH

Disconnect the P17 switch connector.
Using a service wire, connect the terminals according to the table below.

Fig 2: Identifying Power Window Regulator Master Switch Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check operation of the power window regulator motor.

WIRE CONNECTION AND SPECIFIED CONDITION

Wire Connection	Specified Condition
P17-4 (DU) - P17-7 (BW) P17-9 (DD) - Body ground	Power window moves UP
P17-4 (DU) - Body ground P17-7 (BW) - P17-9 (DD)	Power window moves DOWN

OK : REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

NG : GO TO NEXT STEP

CHECK WIRE HARNESS (MASTER SWITCH - REGULATOR MOTOR)

Disconnect the P17 switch connector.
Disconnect the P18 motor connector.

Fig 3: Identifying Power Window Regulator Master Switch Connectors

Measure the resistance of the wire harness side connectors.

Standard resistance

TERMINALS RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
P17-9 (DD) - P18-1 (D)	Below 1 Ω
P17-4 (DU) - P18-2 (U)	Below 1 Ω
P17-9 (DD) or P18-1 (D) - Body ground	10 kΩ or higher
P17-4 (DU) or P18-2 (U) - Body ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR

OK : REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY FRONT LH