2006 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - POWER MIRROR CONTROL SYSTEM

Symptom Suspected Area
Mirror does not operate
  1. D DOOR fuse
  2. P DOOR fuse
  3. D ACC fuse
  4. Outer mirror switch assy
  5. Outer rear view mirror assy
  6. Seat memory switch (driver side only)
  7. Wire harness
Mirror operates abnormally
  1. D DOOR fuse
  2. P DOOR fuse
  3. D ACC fuse
  4. Outer mirror switch assy
  5. Outer rear view mirror assy
  6. Seat memory switch (driver side only)
  7. Wire harness
Reverse-shift-linked operation of mirrors does not operate
  1. Outer rear view mirror assy
  2. PNP switch
  3. Wire harness

HINT:

The power mirror control system is part of the large-scale multiplex communication system. This system features shared communication wiring that reduces the wiring complexity of the communication lines. The first step in any repair is to confirm the proper operation of the communication system. Proceed with troubleshooting after the communication has been verified (see MULTIPLEX COMMUNICATION SYSTEM ).

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:

  • 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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