Lexus RX (RX 350L, RX450h) 2016-2025 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.
Front Power Seat Control System (w/ Memory)

Symptom

Suspected Area

Link

Front power seat does not operate with front power seat switch

Refer to the "Front Power Seat does not Operate with Front Power Seat Switch".

One or more power seat motors do not operate

Refer to the "One or more Power Seat Motors do not Operate".

Power seat position is not memorized

Refer to the "Power Seat Position is not Memorized".

Power seat does not return to memorized position

Refer to the "Power Seat does not Return to Memorized Position".

Wireless transmitter memory function does not operate

Refer to the "Wireless Transmitter Memory Function does not Operate".

Wireless-linked return function does not operate

Refer to the "Wireless-linked Return Function does not Operate".

Power seat power easy access system function does not operate

Refer to the "Power seat power easy access system function does not operate".

    Customize Parameters
    CUSTOMIZE PARAMETERS CUSTOMIZE FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) HINT: The following items can be customized. NOTICE: When the customer requests a change in a function, first make sure th ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK POSITION CONTROL ECU AND SWITCH ASSEMBLY LH (a) Disconnect the c5 and c6 position control ECU and switch assembly LH connectors. (b) Measure the voltage and resistance accordin ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Yaw Rate And Acceleration Sensor: Installation
    INSTALLATION PROCEDURE 1. INSTALL YAW RATE SENSOR ASSEMBLY (a) Install the yaw rate sensor assembly with the 2 bolts. Torque: 14.5 N·m {148 kgf·cm, 11 ft·lbf} NOTICE: Do not drop the yaw rate sensor assembly. If the yaw rate sensor assembly is dropped, replace it with a new one. (b) Conn ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 2 Line for Short to GND
    DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 18 (CA4H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble ...

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

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

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