1992 Lexus LS 400FACTORY OEM SERVICE PROCEDURE

Code 13 Position Sensor Circuit: Notes

This circuit detects the rotation position of the actuator control arm and sends a signal to the cruise control ECU. Code 13 is set when position sensor detects abnormal voltage or when actuator position sensor signal values do not change when motor operates.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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