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

  1. INSPECT FRONT POWER SEAT SWITCH (MEMORY SEAT ECU AND SW) 
    1. Disconnect the front power seat switch connector.
    2. Measure the voltage according to the value (s) in the table below.

    Standard: 

    Fig 1: Locating Switch Connector
    G02937362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Driver Side: 

    CHECKING VOLTAGE

    Tester Connection Condition Specified Condition
    M6-7 (P) - Body ground Ignition switch is in ON position and shift position is in P position 10 to 14V

    Front Passenger Side: 

    CHECKING VOLTAGE

    Tester Connection Condition Specified Condition
    M8-7 (P) - Body ground Ignition switch is in ON position and shift position is in P position 10 to 14V

    NG: Go to step   2 

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

  2. INSPECT PARK/NEUTRAL POSITION SWITCH ASSY 
    1. Inspect the park/neutral position switch assy (see DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) ).

    NG: REPLACE PARK/NEUTRAL POSITION SWITCH ASSY 

    OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSY - FRONT POWER SEAT SWITCH)