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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter / Gauge System >> System Description

System Description

  1. METER GAUGE 
    Fig 1: Identifying Meter Gauge
    G05252840Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    METER GAUGE: 

    METER GAUGE REFERENCE CHART

    Item Detail
    Speedometer Indicates the vehicle speed receiving a signal from the skid control ECU. (CAN (CAN No. 1 Bus))
    Tachometer Indicates the engine speed based on a signal received from the ECM. (CAN (CAN No. 1 Bus))
    Engine Coolant Temperature Receiver Gauge Indicates the engine coolant temperature based on a signal received from the ECM. (CAN (CAN No. 1 Bus))
    Fuel Receiver Gauge Indicates the fuel level based on a signal received from the fuel sender gauge. (Direct Line)

    WARNING/INDICATOR: 

    WARNING/INDICATOR REFERENCE CHART

    Item Detail
    TURN SIGNAL Receives a turn signal from the turn signal flasher. (Direct Line)
    BEAM Receives a beam indicator light signal from the main body ECU. (CAN (CAN No. 1 Bus))
    CHARGE Receives a charge indicator light signal from the generator. (Direct Line)
    CHECK E/G Receives a check engine warning light signal from the ECM. (Direct Line)
    DOOR Open door indicator light comes on receiving a door condition signal from the main body ECU. (CAN (CAN MS Bus))
    D-BELT Receives a driver side seat belt signal from the center airbag sensor assembly. (CAN (CAN No. 1 Bus))
    P-BELT Receives a passenger side seat belt signal from the center airbag sensor assembly and transmits a passenger side seat belt condition signal to the clock assembly. (Direct Line)
    HEAD ((1)) Receives a HEAD indicator light signal from the main body ECU. (CAN (CAN No. 1 Bus))
    TAIL ((2)) Receives a TAIL indicator light signal from the main body ECU. (CAN (CAN No. 1 Bus))
    Fr. FOG Receives a front fog indicator light signal from the main body ECU. (CAN (CAN No. 1 Bus))
    A/T SHIFT Receives an A/T shift condition signal from the park / neutral position switch and the ECM. (CAN (CAN No. 1 Bus))
    FUEL Receives a fuel signal from the fuel sender gauge. (Direct Line)
    ABS Receives an ABS signal from the skid control ECU. (CAN (CAN No. 1 Bus))
    SLIP Receives a SLIP signal from the skid control ECU. (CAN (CAN No. 1 Bus))
    BRAKE Receives a brake signal from the brake fluid level warning switch (Direct Line) and the skid control ECU. (CAN (CAN No. 1 Bus))
    CRUISE Receives a cruise signal from the ECM. (CAN (CAN No. 1 Bus))
    AIRBAG Receives an airbag signal from the center airbag sensor assembly. (CAN (CAN No. 1 Bus))
    PCS ((3)) Receives PCS signal from the seat belt control ECU. (CAN (CAN No. 2 Bus))
    Tire pressure ((4)) Receives a tire pressure signal from the tire pressure warning ECU. (Direct Line)
    AFS OFF ((5)) Receives an AFS OFF signal from the AFS ECU. (CAN (CAN No. 2 Bus))
    Master caution indicator light Master caution indicator light comes on to indicate that an oil maintenance resetting procedure has finished.
    (1) for U.S.A.
    (2) for Canada
    (3) with Pre-collision System
    (4) with Tire Pressure Warning System
    (5) with AFS

    HINT:

    • The multi-information display has been located in the center of the combination meter assembly.
    • The display shows a message or animation for each of the functions described in the table below.

    MULTI-INFORMATION DISPLAY: 

    MULTI-INFORMATION DISPLAY REFERENCE CHART

    Item Detail
    Cruise Information
    • Outside Temperature
    • Driving Range
    • Average Fuel Consumption
    • Average Fuel Consumption After Refueling
    • Current Fuel Consumption
    • Average Speed
    • Six types of information (outside temperature, driving range, average fuel consumption, average fuel consumption after refueling, current fuel consumption and average speed) can be displayed.
    • The display can be switched by using the DISP switch.
    Warning
    • Door Warning
    • Oil Replacement Reminder ((1))
    		 Interrupts the multi-information display immediately when a warning occurs.
    Dynamic Radar Cruise Display ((2)) Displays the operating condition of the dynamic radar cruise control.
    Intuitive Parking Assist Display ((3)) Displays the location of an obstacle and the approximate distance between the vehicle and the obstacle and displays malfunction warning messages about frozen sensors or the presence of dirt on the sensors.
    Diagnosis DTC (Diagnostic Trouble Code) for the brake control system (TRAC and VSC) can be displayed.
    (1) for U.S.A.
    (2) with Dynamic Radar Cruise Control System
    (3) with Intuitive Parking Assist System
  2. MULTI-INFORMATION DISPLAY 
    Fig 2: Multi-Information Display Diagram (1 Of 3)
    G05252841Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Multi-Information Display Diagram (2 Of 3)
    G05252842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 4: Multi-Information Display Diagram (3 Of 3)
    G05252843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 5: Multi-Information System Flow Chart
    G05252844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DIAGNOSIS SYSTEM 
    Fig 6: Multi-Information Display - Diagnosis Information
    G05252845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    • Diagnosis information can be displayed on the multi-information display after connecting a jumper wire between TC and CG of the DLC3 (See DIAGNOSIS SYSTEM ).
    • The multi-information display shows "DIAG VSC" before meter CPU receives the diagnosis information signal from the skid control ECU.
    • The multi-information display shows "DIAG VSC 23" when meter CPU receives the diagnosis information signal from the skid control ECU.
    • The multi-information display shows "DIAG VSC OK" when meter CPU receives the no diagnosis information signal from the skid control ECU.
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