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Home >> Lexus >> 2004 >> LX 470 >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat Control System - Diagnosis >> Circuit Inspection >> Position Sensor Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

  1. Check position sensor. 

    CHECK: 

    Measure voltage between terminal O/P of Power Seat Control ECU and body ground with connector being connected.

    OK: 

    Fig 1: Position Sensor Voltage Chart
    G01429374Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Checking Position Sensor
    G01429375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Proceed to next circuit inspection shown on problem symptom table (See  PROBLEM SYMPTOMS TABLE  ). 
    2. NG: Go to Next Step 
  2. Check harness and connectors between Power Seat Control ECU and position sensors (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG: Repair or replace harness or connectors. 
    2. OK: Proceed to next circuit inspection shown on problem symptom table (See  PROBLEM SYMPTOMS TABLE  ).