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.
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) 2016-2025 Repair Manual > Quarter Trim Speaker (w/o Rear No. 2 Seat): Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL QUARTER SIDE SPEAKER ASSEMBLY NOTICE: Do not touch the speaker cone. (a) Connect the connector. (b) Engage the clip to temporarily i ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Camshaft Oil Control Valve (for Bank 2): On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE CAMSHAFT TIMING GEAR BOLT Click here 2. INSPECT CAMSHAFT TIMING GEAR BOLT (a) for intake side: (1) Check the stroke of the plunger in the center of the camshaft timing gear bolt. Standard Stroke: 4.5 mm (0.177 in.) or more HINT: When pressing the plu ...

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

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

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