Lexus RX (RX 350L, RX450h) 2016-2023 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.

Symptom

Suspected Area

Link

Electric parking brake does not operate

Proceed to "Electric Parking Brake does not Operate"

Parking brake indicator light does not illuminate (red) or turn off when parking brake is manually engaged and disengaged

Proceed to "Electric Parking Brake does not Operate"

Electric parking brake AUTO function (shift-linked function) does not operate (shift-linked parking brake does not lock or release)

Proceed to "Electric Parking Brake AUTO Function Circuit"

Message not displayed on multi-information display when AUTO function set to ON/OFF

Proceed to "Message Not Displayed on Multi-information Display When AUTO Function Set to ON/OFF"

Brake warning light (Yellow) remains on

Proceed to "Brake Warning Light (Yellow) Remains On"

Electric parking brake switch indicator light on electric parking brake switch (electric parking brake switch assembly) does not illuminate or turn off when lock and release operations are performed

Electric parking brake switch indicator light drive circuit

Wire harness or connector (electric parking brake switch (electric parking brake switch assembly) - skid control ECU (brake actuator assembly))

-

Electric parking brake switch (electric parking brake switch assembly)

Skid control ECU (brake actuator assembly)

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confir ...

    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 ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Safety Connect System: Acn Call End
    ACN CALL END ACN CALL END This function terminates the ACN (Automatic Collision Notification) to the telematics provider. After a collision in which the DCM receives "Collision Detection Signal", the vehicle will send the emergency call notification to the telematics provider until the emergency cal ...

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Security Horn Assembly (for Built-in Battery Type): Removal
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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

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

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