Rear Power Window RH does not Operate with Rear Power Window Switch RH: Procedure

WARNING: This page is about a different car, the 2010 Lexus GS 450h. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST USING TECHSTREAM (POWER WINDOW UP/DOWN)

Connect the Techstream to the DLC3.
Turn the power switch on (IG) and turn the Techstream ON.
Select the following menu items: Body / RR-Door Motor / Active Test.

Perform the Active Test according to the display on the Techstream.

RR-DOOR MOTOR

Tester Display	Test Part	Control Range	Diagnostic Note
Power Window	Power window	UP or OFF	-
Power Window	Power window	DOWN or OFF	-

Rear RH power window operates normally.

WARNING:

Be careful to avoid injuries as this test causes vehicle parts to move.

During the Active Test, the jam protection function will not operate.

NG → See step 4

OK: Go to next step

READ VALUE USING TECHSTREAM (REAR RH)

Select the following menu items: Body / RR-Door Motor / Data List.

Read the Data List according to the display on the Techstream.

RR-DOOR MOTOR

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
RR Door P/W Up SW	Rear RH power window manual up switch signal / ON or OFF	ON: Rear RH power window manual up switch is operated OFF: Rear RH power window manual up switch is not operated	-
RR Door P/W Down SW	Rear RH power window manual down switch signal / ON or OFF	ON: Rear RH power window manual down switch is operated OFF: Rear RH power window manual down switch is not operated	-

ON (switch operates) appears on screen.

NG → See step 3

OK → See step 8

CHECK HARNESS AND CONNECTOR (WINDOW SWITCH (REAR RH SIDE) - DOOR ECU (REAR RH SIDE))

Disconnect the S1 power window switch connector.
Disconnect the O3 rear door ECU connector.

Fig 1: Identifying S1 Power Window Switch Connector And O3 Rear Door ECU Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester Connection	Condition	Specified Condition
S1-5 (E) - O3-20 (SGND)	Always	Below 1 Ω
S1-5 (E) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (DOOR ECU (REAR RH SIDE) - REGULATOR MOTOR (REAR RH SIDE))

Disconnect the O11 motor connector.

Fig 2: Identifying Door ECU And Regulator Motor (Rear RH Side) Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester Connection	Condition	Specified Condition
O3-5 (BDRJ) - O11-2 (B)	Always	Below 1 Ω
O3-2 (PWE) - O11-1 (E)	Always	Below 1 Ω
O3-5 (BDRJ) - Body ground	Always	10 kΩ or higher
O3-2 (PWE) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (WINDOW SWITCH (REAR RH) - REGULATOR MOTOR (REAR RH))

Measure the resistance according to the value(s) in the table below.

Fig 3: Identifying Window Switch And Regulator Motor (Rear RH) Connector Terminals

Standard resistance

Tester Connection	Condition	Specified Condition
S1-2 (U) - O11-10 (UP1)	Always	Below 1 Ω
S1-10 (D) - O11-7 (DWN1)	Always	Below 1 Ω
S1-2 (U) - Body ground	Always	10 kΩ or higher
S1-10 (D) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT POWER WINDOW SWITCH (for Rear RH side)

Measure the resistance according to the value(s) in the table below.

Fig 4: Identifying Power Window Switch (Rear RH Side) Connector Terminals

Standard resistance

Tester Connection	Switch Condition	Specified Condition
2 (U) - 5 (E)	Manual UP operation	Below 1 Ω
10 (D) - 5 (E)	Manual DOWN operation	Below 1 Ω

NG → See step 9

OK → See step 7

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to REMOVAL - Step 21
GO TO MULTIPLEX COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
REPLACE POWER WINDOW SWITCH (for Rear RH side). Refer to REMOVAL - Step 7