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Home >> Lexus >> 2003 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Body & Frame >> Seats >> Power & Heated Seats >> Circuit Tests >> Power Seat Switch Circuit

Power Seat Switch Circuit

  1. Disconnect the switch connector and connect the seat wiring harness to the floor wiring harness.
  2. Inspect the connector on the wiring harness side. See CONNECTOR IDENTIFICATION . See INSPECTING POWER SEAT SWITCH CIRCUIT  table. If circuit is not as specified, inspect the circuits connected to other parts.
    INSPECTING POWER SEAT SWITCH CIRCUIT

    Tester Connection Condition Specified Condition
    4 - Ground Constant Continuity
    1 - Ground Constant B+ Voltage
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