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 > Rear Center Seat Inner Belt Assembly(w/ Rear No. 2 Seat): Inspection
    INSPECTION PROCEDURE 1. INSPECT REAR SEAT CENTER BELT ASSEMBLY INNER (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 Rear No. 1 center seat belt unfastened Below 1 Ω Rear No. 1 ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System: System Description
    SYSTEM DESCRIPTION ILLUMINATED ENTRY SYSTEM (a) The illuminated entry system has the following control functions: Control Outline Lights that Operate Actuation Area-linked When a registered key is brought within any vehicle exterior detection area around the doors, the items listed to t ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0148