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Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> Body & Frame >> Seats >> Front Power Seat Control System (W/Memory) - Diagnostics >> Door Courtesy Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY 
    1. Remove the courtesy lamp switch assy.
    2. Measure the resistance according to the value (s) in the table below.

    Standard: 

    CHECKING RESISTANCE

    Tester Connection Condition Specified Condition
    1 - Switch body Switch pushed 10 kΩ or higher
    1 - Switch body Switch free Below 1 Ω

    NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY 

    Fig 1: Locating Door Switch
    G02937364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go To Next Step. 

  2. INSPECT FRONT POWER SEAT SWITCH (COURTESY SWITCH CIRCUIT) 
    1. Disconnect the front power seat switch connector.
    2. Install the courtesy lamp switch assy.
    3. Measure the voltage according to the value (s) in the table below.

    Standard: 

    Driver Side: 

    CHECKING VOLTAGE

    Tester Connection Condition Specified Condition
    M6-3 (DCTY) - Body ground Driver side door courtesy lamp switch pushed --> free 10 kΩ or higher --> Below 1 Ω

    Front Passenger Side: 

    CHECKING VOLTAGE

    Tester Connection Condition Specified Condition
    M8-3 (PCTY) - Body ground Front passenger side door courtesy lamp switch pushed --> free 10 kΩ or higher --> Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Locating Power Switch Connector
    G02937365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE