Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Sliding Roof System

Symptom

Suspected Area

Link

Remote control system does not operate

Sliding roof ECU (Sliding roof drive gear sub-assembly)

Power window control system

-

Main body ECU (Multiplex network body ECU)

-

Key-off operation function operates even if operating conditions are not satisfied

Sliding roof ECU (Sliding roof drive gear sub-assembly)

Main body ECU (Multiplex network body ECU)

-

Sliding roof does not move by operating sliding roof control switch

Sliding roof ECU (Sliding roof drive gear sub-assembly)

Wire harness or connector

-

Sliding roof switch (Map light assembly)

-

    Initialization
    INITIALIZATION INITIALIZE SLIDING ROOF SYSTEM NOTICE: When the sliding roof glass sub-assembly or sliding roof drive cable sub-assembly is adjusted or removed/installed, or the sliding roof drive g ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (a) Disconnect the U2 sliding roof ECU (sliding roof drive gear sub-assembly) connector. (b) Measure the resistance and ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Tilt And Power Telescopic Steering Column System: Tilt and Telescopic Manual Switch Circuit
    DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in which direction that motor should operate based on the voltage value. WIRING DIAGRAM PROCEDURE ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Ambient Light(for Front Door): Components
    COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 COURTESY LIGHT ASSEMBLY *2 DOOR ARMREST COVER *3 FRONT DOOR INSIDE HANDLE BEZEL PLUG *4 FRONT DOOR NO. 1 STIFFENER CUSHION *5 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *6 MULTIPLEX NETWORK MAST ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0089