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Home >> Lexus >> 2003 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Locks & Trunk Lid >> Circuit Tests >> Power Window Master Switch Circuit

Power Window Master Switch Circuit

  1. Disconnect the connectors from the switch and inspect the connector on the wiring harness side. See CONNECTOR IDENTIFICATION . See INSPECTING POWER WINDOW MASTER SWITCH CIRCUIT  table. If the circuit is not as specified, replace the switch. See step  2 of DOOR TRIM PANEL (FRONT) under REMOVAL & INSTALLATION.
    INSPECTING POWER WINDOW MASTER SWITCH CIRCUIT

    Tester Connection Condition Specified Condition
    9 - Ground Constant Continuity
    1, 5 - Ground Constant B+ Voltage
    2, 4 - Ground Ignition Switch LOCK No Voltage
    2, 4 - Ground Ignition Switch ACC Or ON B+ Voltage
    15 - Ground (Left-Hand Drive) Driver's Door Key Lock & Unlock Switch LOCK No Continuity
    15 - Ground (Left-Hand Drive) Driver's Door Key Lock & Unlock Switch UNLOCK Continuity
    16 - Ground Each Door Courtesy Switch ON (Door Opened) No Continuity
    16 - Ground Each Door Courtesy Switch OFF (Door Closed) Continuity
    6 - Ground (Right-Hand Drive) Driver's Door Key Lock & Unlock Switch LOCK No Continuity
    6 - Ground (Right-Hand Drive) Driver's Door Key Lock & Unlock Switch UNLOCK Continuity
  2. Inspect the power window master switch circuit. See POWER WINDOW MASTER SWITCH CIRCUIT under CIRCUIT TESTS under BODY CONTROL SYSTEM article under COMMUNICATION DEVICES in ACCESSORIES & EQUIPMENT.