Lexus RX (RX 350L, RX450h) 2016-2024 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.
Airbag System

Symptom

Suspected Area

Link

SRS warning light turns off after primary check, but then illuminates

  • Wire harness
  • CAN communication system
  • Combination meter assembly
  • Airbag sensor assembly

After engine switch is on (IG) for 6 seconds or more, SRS warning light sometimes illuminates

  • Wire harness
  • CAN communication system
  • Combination meter assembly
  • Airbag sensor assembly

SRS warning light is always illuminated even when no DTCs are output

  • Wire harness
  • Combination meter assembly
  • Airbag sensor assembly

When engine switch is turned on (IG), SRS warning light does not illuminate

  • Wire harness
  • Combination meter assembly
  • Airbag sensor assembly

    Operation Check
    OPERATION CHECK PRECAUTION FOR OPERATION CHECK CAUTION: Use the correct procedure to replace the airbag parts. CHECK SRS WARNING LIGHT (a) Primary check (1) Turn the engine switch on (IG) and check ...

    Terminals Of Ecu
    TERMINALS OF ECU AIRBAG SENSOR ASSEMBLY Terminal No. Terminal Symbol Destination *: w/ DCM (Telematics Transceiver) S100-3 PLR- Rear pretensioner squib LH (Rear No. 1 seat outer be ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Park / Neutral Position Switch: Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during park/neutral position switch assembly removal/installation are shown below. Necessary Procedures After P ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Rear Seat Cushion Heater (for Captain Seat Type): Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during rear seat cushion heater removal/installation are shown below. Necessary Procedure After Parts Removed/I ...

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

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

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