1993 Lexus SC 400FACTORY OEM SERVICE PROCEDURE

Code 47

Condition is: open or short in sub-throttle position sensor circuit (VTA2) for more than 0.5 second or IDL2 contact in sub-throttle position sensor closed and VTA2 output exceeds 1.5 volts for more than 0.5 second. Probable cause: open or short in sub-throttle position sensor circuit, defective sub-throttle position sensor or defective ECM.

Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

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

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