2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

Diagnostic Trouble Code Chart

POWER WINDOW CONTROL SYSTEM 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
B2311  Driver Door Motor Malfunction
  1. Battery disconnection when the engine switch is on (IG)
  2. Power window regulator motor (on driver side)
  3. Incorrect installation of power window components
  4. Overheated power window regulator motor (on driver side)
B2312  Driver Side Door Master Switch Malfunction
  1. Power window regulator motor (on driver side)
  2. Power window regulator master switch
  3. Wire harness
  4. Power window regulator master switch is held in same position for more than 20 seconds
B2313  Glass Position Initialization Incomplete
  1. Power window regulator motor (on driver side)
  2. Power window regulator motor (on driver side) not initialized
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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