Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Rear Power Window Switch

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Vehicle Exterior / Window / Glass / Rear Power Window Switch

Components

COMPONENTS

ILLUSTRATION

*1

REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY

*2

REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL

Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH/RH DOOR)

(a) Check the switch function.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 (UP) - 5 (GND)

Auto up or up position

Below 100 Ω

10 (DOWN) - 5 (GND)

Auto down or down position

Below 100 Ω

4 (AUTO) - 5 (GND)

Auto up or auto down position

Below 100 Ω

2 (UP) - 5 (GND)

Off

10 kΩ or higher

10 (DOWN) - 5 (GND)

Off

10 kΩ or higher

4 (AUTO) - 5 (GND)

Off

10 kΩ or higher

If the result is not as specified, replace the power window regulator switch assembly.

*a

Component without harness connected

(Rear Power Window Regulator Switch Assembly (for LH Door))

(b) Check that the LED illuminates.

(1) Apply battery voltage to the power window regulator switch assembly and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 8 (LED)

Battery negative (-) → 5 (GND)

LED illuminates

If the result is not as specified, replace the power window regulator switch assembly.

*a

Component without harness connected

(Rear Power Window Regulator Switch Assembly (for LH Door))

Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL

Click here

2. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Disengage the 4 claws to remove the rear power window regulator switch assembly.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. INSTALL REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Engage the 4 claws to install the rear power window regulator switch assembly.

2. INSTALL REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL

Click here

    Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during quar ...

    Window Defogger System
    ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Mirror Control System (w/ Memory): AUTO Power Retract Mirrors do not operate
    DESCRIPTION The multiplex network master switch assembly sends the auto retractable outer mirror switch signal to the main body ECU (multiplex network body ECU) via LIN communication. The main body ECU (multiplex network body ECU) sends the auto retract/return signal to the outer mirror control ECU ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Tilt And Power Telescopic Steering Column System: ECU Power Source Circuit Malfunction (B2620)
    DESCRIPTION The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B2620 ECU Power Source Circuit Malfunction The voltage of the ECU power source drops to 8 V or less and this c ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0197