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Home >> Lexus >> 2006 >> ES 330 >> Repair and Diagnosis >> Body & Frame >> Seats >> Front Power Seat Control System (W/Memory) - Diagnostics >> Power Seat Motor Circuit >> Inspection Procedure

Inspection Procedure

  1. INSPECT POWER SEAT MOTOR ASSY 
    1. Inspect the power seat motor (see INSPECTION ).

    NG: REPLACE POWER SEAT MOTOR ASSY (SEE  OVERHAUL  ) 

    OK: Go To Next Step. 

  2. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR ASSY) 
    1. Disconnect the power seat motor connectors and front power seat switch connector.
    2. Measure the resistance according to the value (s) in the table below.

    Standard: 

    Driver Side: 

    CHECKING RESISTANCE

    Tester Connection Specified Condition
    M7-3 (SLD-) - P20-2 Below 1 Ω
    M7-2 (SLD+) - P20-1 Below 1 Ω
    M7-4 (FRV-) - P16-2 Below 1 Ω
    M7-6 (FRV+) - P16-1 Below 1 Ω
    M7-9 (LFT-) - P17-1 Below 1 Ω
    M7-7 (LFT+) - P17-2 Below 1 Ω
    M7-10 (RCL-) - P19-1 Below 1 Ω
    M7-8 (RCL+) - P19-2 Below 1 Ω
    M7-2 (SLD+) - Body ground 10 kΩ or higher
    M7-3 (SLD-) - Body ground 10 kΩ or higher
    M7-4 (FRV-) - Body ground 10 kΩ or higher
    M7-6 (FRV+) - Body ground 10 kΩ or higher
    M7-7 (LFT+) - Body ground 10 kΩ or higher
    M7-8 (RCL+) - Body ground 10 kΩ or higher
    M7-9 (LFT-) - Body ground 10 kΩ or higher
    M7-10 (RCL-) - Body ground 10 kΩ or higher
    Fig 1: Locating Seat Connector
    G02937360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Front Passenger Side: 

    CHECKING RESISTANCE

    Tester Connection Specified Condition
    M9-3 (SLD-) - P24-1 Below 1 Ω
    M9-2 (SLD+) - P24-2 Below 1 Ω
    M9-4 (FRV-) - P21-1 Below 1 Ω
    M9-6 (FRV+) - P21-2 Below 1 Ω
    M9-9 (LFT-) - P22-2 Below 1 Ω
    M9-7 (LFT+) - P22-1 Below 1 Ω
    M9-10 (RCL-) - P23-1 Below 1 Ω
    M9-8 (RCL+) - P23-2 Below 1 Ω
    M9-2 (SLD+) - Body ground 10 kΩ or higher
    M9-3 (SLD-) - Body ground 10 kΩ or higher
    M9-4 (FRV-) - Body ground 10 kΩ or higher
    M9-6 (FRV+) - Body ground 10 kΩ or higher
    M9-7 (LFT+) - Body ground 10 kΩ or higher
    M9-8 (RCL+) - Body ground 10 kΩ or higher
    M9-9 (LFT-) - Body ground 10 kΩ or higher
    M9-10 (RCL-) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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