2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

Inspection Procedure

NOTE: When using the intelligent tester to troubleshoot the LIN communication line: Connect the intelligent tester to the vehicle, and turn the courtesy light switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.
  1. CHECK DTC OUTPUT 
    1. Turn the engine switch off.
    2. Wait for at least 10 seconds, and then turn the engine switch on (IG).
    3. Check whether the DTC output recurs.

      Result 

      RESULT CHART

      Display (DTC Output) Proceed to
      B2313 A
      No output B

    B: END 

    A: Go to Next Step 

  2. INITIALIZE SYSTEM (POWER WINDOW CONTROL SYSTEM) 
    1. Turn the engine switch on (IG) and initialize the power window regulator motor (on the driver side) (See INITIALIZATION  ).
    2. Turn the engine switch off.
    3. Wait for at least 10 seconds, and then turn the engine switch on (IG).
    4. Check whether the DTC output recurs.

      Result 

      RESULT CHART

      Display (DTC Output) Proceed to
      No output A
      B2313 B

    B: REPLACE DRIVER SIDE POWER WINDOW REGULATOR MOTOR ASSEMBLY 

    A: END 

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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