Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: System Diagram

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Suspension / Steering Column / Power Tilt And Power Telescopic Steering Column System / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

Main Body ECU (Multiplex Network Body ECU)

Multiplex Tilt and Telescopic ECU
  • Auto away/return state signal
  • Tilt and telescopic position request signal
  • Driver position data signal* (Driver seat, tilt and telescopic steering and mirror)
  • IG SW signal
  • Front seat inner belt (for driver) buckle switch signal

CAN

Position Control ECU and Switch Assembly LH

Multiplex Tilt and Telescopic ECU
  • Play command signal of memory 1 for driver seat*
  • Start signal to play tilt and telescopic steering*
  • Stop signal to play memory*

Combination Meter Assembly

Multiplex Tilt and Telescopic ECU

Vehicle speed signal

Multiplex Tilt and Telescopic ECU

Main Body ECU (Multiplex Network Body ECU)

State signal of tilt and telescopic steering

Multiplex Tilt and Telescopic ECU

Position Control ECU and Switch Assembly LH
  • Tilt and telescopic recall and execution signal
  • Tilt and telescopic recall and end signal

*: w/ Seat Memory

    System Description
    SYSTEM DESCRIPTION FUNCTION OF MAIN COMPONENTS Component Function Multiplex tilt and telescopic ECU This ECU sends a control signal to the tilt motor and telescopic motor, based on signals ...

    Terminals Of Ecu
    TERMINALS OF ECU MULTIPLEX TILT AND TELESCOPIC ECU *a Component without harness connected (Multiplex Tilt and Telescopic ECU) - - (a) Measure the voltage and resistance according to the v ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Intelligent Clearance Sonar System: Fail-safe Chart
    FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the intelligent clearance sonar system, the warning message "Parking Support Brake Malfunction Visit Your Dealer" or "Parking Support Brake Unavailable" is displayed on the multi-information display, the ICS OFF indicator blinks ...

    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
    0.011