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Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check LH SEAT fuse. 
    1. NG : Check for short in all the harness and components connected to the LH SEAT fuse, and repair them. 
    2. OK : GO TO NEXT STEP 
  2. Check continuity between terminal E, SGND of Power Seat Control ECU connector and body ground. 

    CHECK: 

    Measure resistance between terminal E, SGND of Power Seat Control ECU connector and body ground with connector being connected.

    OK: 

    1. Resistance: Continuity (below 1 Ω) 
    Fig 1: Identifying Power Seat Control ECU Connector Terminal E, SGND
    G03374918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Repair or replace harness or connector. 
    2. OK : GO TO NEXT STEP 
  3. Check voltage between terminal B of Power Seat Control ECU connector and body ground. 

    CHECK: 

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

    OK: 

    1. Voltage: 10 - 14 V 
    1. OK : Proceed to next circuit inspection shown on problem symptom table (See  PROBLEM SYMPTOMS TABLE  ). 
    2. NG : Repair or replace harness or connector. 
    Fig 2: Identifying Power Seat Control ECU Connector Terminal B
    G03374919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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