Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

*a

Component without harness connected

(Skid Control ECU (Brake Actuator Assembly))

-

-

(a) Disconnect the A41 skid control ECU (brake actuator assembly) connectors.

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

A41-14 (+BS) - Body ground

L - Body ground

Parking brake motor (parking brake actuator assembly) power supply

Always

11 to 14 V

A41-45 (IG1) - Body ground

V - Body ground

IG power supply

Engine switch on (IG)

11 to 14 V

A41-1 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

A41-30 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

A41-13 (MRR+) - Body ground

Y - Body ground

Parking brake motor RH (parking brake actuator assembly RH) (+)

-

-

A41-12 (MRR-) - Body ground

R - Body ground

Parking brake motor RH (parking brake actuator assembly RH) (-)

-

-

A41-3 (MRL+) - Body ground

B - Body ground

Parking brake motor LH (parking brake actuator assembly LH) (+)

-

-

A41-2 (MRL-) - Body ground

L - Body ground

Parking brake motor LH (parking brake actuator assembly LH) (-)

-

-

A41-38 (POL) - Body ground

L - Body ground

Electric parking brake switch indicator light

-

-

A41-36 (SWI1) - Body ground

G - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A41-31 (SWO1) - Body ground

LG - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A41-41 (SWI2) - Body ground

W - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A41-39 (SWO2) - Body ground

R - Body ground

Electric parking brake switch (electric parking brake switch assembly)

-

-

A41-27 (CANH) - Body ground

B - Body ground

CAN communication line H

-

-

A41-43 (CANL) - Body ground

W - Body ground

CAN communication line L

-

-

    Test Mode Procedure
    TEST MODE PROCEDURE REAR BRAKE PAD REPLACEMENT MODE *1 Rear Disc Brake Piston *2 Nut *a The nut moves inward in pad replacement mode HINT: When replacing the rear disc brake pad a ...

    Dtc Check / Clear
    DTC CHECK / CLEAR CHECK DTC AND FREEZE FRAME DATA (USING TECHSTREAM) (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techstream ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Before driving: Trailer towing (vehicles with towing package)
    Your vehicle is designed primarily as a passenger-and-load-carrying vehicle. Towing a trailer can have an adverse impact on handling, performance, braking, durability, and fuel consumption. For your safety and the safety of others, you must not overload your vehicle or trailer. You must also ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Horn System: Data List / Active Test
    DATA LIST / ACTIVE TEST PERFORM ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0115