Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW REGULATOR SWITCH ASSY REAR RH (VOLTAGE)

Disconnect the P16 regulator switch connector.

Measure the voltage of the wire harness side connector.

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
P16-4 - Body ground	Power switch ON (IG)	10 to 14 V

Fig 1: Identifying P16 Power Window Regulator Switch Connector Terminal (Rear RH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (INSTRUMENT PANEL J/B ASSY POWER WINDOW REGULATOR SWITCH)

OK: Go to next step.

INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR RH (SWITCH OPERATION)

Remove the regulator switch.

Measure the resistance between the terminals of the connector when the switch is operated.

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Regulator Switch	Specified Condition
1 - 2, 3 - 4	UP	Below 1 Ω
1 - 2, 3 - 5	OFF	Below 1 Ω
1 - 4, 3 - 5	DOWN	Below 1 Ω

Fig 2: Identifying Power Window Regulator Switch Connector Terminal (Rear RH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR SWITCH ASSY

OK: Go to next step.

CHECK WIRE HARNESS (POWER WINDOW REGULATOR SWITCH ASSY REAR RH - POWER WINDOW REGULATOR MOTOR ASSY REAR RH AND BODY GROUND)

Disconnect the P16 switch connector.
Disconnect the P21 motor connector.

Measure the resistance of the wire harness side connectors.

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
P16-1 - P21-1	Below 1 Ω
P16-3 - P21-2	Below 1 Ω
P16-1 - Body ground	10 kΩ or higher
P16-3 - Body ground	10 kΩ or higher

Fig 3: Disconnecting P16, P21 Switch And Motor Connector

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step.

INSPECT POWER WINDOW REGULATOR MOTOR ASSY REAR RH

Remove the motor (see ENGINE HOOD/DOOR ).
Apply battery voltage to connector terminals 1 and 2.
Check that the motor smoothly rotates.

NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.

OK:

TERMINAL SPECIFIED CONDITION

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

Fig 4: Inspecting Power Window Regulator Motor Operation

NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSY REAR RH

OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSY - POWER WINDOW REGULATOR SWITCH ASSY REAR RH)