LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2007 >> IS 350 >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter / Gauge System >> System Description

System Description

  1. METER GAUGE 
    Fig 1: Identifying Meter Gauge System
    G05320764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    METER/GAUGE 

    ITEM DETAIL - METER/GAUGE

    Item Detail
    Speedometer Indicates the vehicle speed based on a signal received from the ABS & traction actuator assembly ((1))/Skid Control ECU. ((2)) (Direct Line)
    Tachometer Indicates the engine speed based on a signal received from the ECM. (Direct Line)
    Fuel Gauge Receives a fuel signal from the two fuel sender gauges (main and sub). (Direct Line)
    Engine Coolant Temperature Receiver Gauge Indicates the engine coolant temperature based on a signal received from the ECM. (CAN-BEAN)
    (1) without VDIM
    (2) with VDIM

    WARNING/INDICATOR 

    ITEM DETAIL - WARNING/INDICATOR

    Item Detail
    TURN SIGNAL Receives a turn signal from the turn signal flasher. (Direct Line)
    BEAM Receives a beam signal from the main body ECU RH (Cowl Side J/B RH). (BEAN)
    CHECK E/G Receives a check engine signal from the ECM. (Direct Line)
    DOOR Open door indicator light comes on receiving a door condition signal from the main body ECU RH (Cowl Side J/B RH). (BEAN)
    D-BELT Receives a driver side seat belt signal from the center airbag sensor assembly. (CAN-BEAN)
    P-BELT Receives a front passenger side seat belt signal from the center airbag sensor assembly and transmits a front passenger side seat belt condition signal to the integration control & panel assembly ((3))/multi-display (M). (CAN-BEAM)
    HEAD ((4)) Receives a taillight signal from the main body ECU RH (Cowl Side J/B RH). (BEAN)
    TAIL ((5)) Receives a taillight signal from the main body ECU RH (Cowl Side J/B RH). (BEAN)
    A/T SHIFT Receives an A/T shift condition signal from the park/neutral position switch and the ECM. (CAN-BEAN)
    FUEL Receives a fuel signal from the fuel sender gauges (main and sub). (Direct Line)
    ABS Receives a ABS signal from the ABS & traction actuator assembly ((1))/Skid control ECU ((2)). (CAN-BEAN)
    SLIP Receives a SLIP signal from the ABS & traction actuator assembly ((1))/Skid control ECU ((2)). (CAN-BEAN)
    BRAKE Receives a BRAKE signal from the ABS & traction actuator assembly ((1))/Skid control ECU ((2)). (CAN-BEAN)
    CRUISE Receives a cruise signal from the ECM. (CAN-BEAN)
    AIRBAG Receives an airbag signal from the center airbag sensor assembly. (CAN-BEAN)
    AFS OFF ((6)) Receives an AFS OFF signal from the AFS ECU. (BEAN)
    EPS Receives an EPS signal from the EPS ECU. (CAN-BEAN)
    Tire pressure ((7)) Receives a tire pressure signal from the tire pressure warning ECU. (BEAN)
    PCS ((8)) Receives a PCS signal from the seat belt control ECU. (CAN-BEAN)
    Speed warning Receive a vehicle speed signal from the ABS & traction actuator assembly ((1))/Skid control ECU ((2)) and displays a speed indicator setting set with the satellite switch. (Direct Line)
    Tach warning Receive a tachometer signal from the ECM and displays a tach indicator setting set with the satellite switch. (Direct Line)
    Front fog Receives a beam signal from the main body ECU RH (Cowl side junction block ECU RH). (BEAN)
    VSC OFF Receives a VSC OFF signal from the ABS & traction actuator assembly ((1))/Skid control ECU ((2)). (CAN-BEAN)
    (1) without VDIM
    (2) with VDIM
    (3) without Navigation System
    (4) for U.S.A.
    (5) for Canada
    (6) with Intelligent AFS
    (7) with Tire Pressure Warning System
    (8) with Pre-collision System

    HINT:

    • The multi-information display is 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 

      ITEM DETAIL - MULTI-INFORMATION DISPLAY

      Item Detail
      Door warning When a door (front passenger, back and hood) of the vehicle is opened or closed, the dot comes on to inform the driver of the condition of the door.
      Outside temperature display Displays an outside temperature in accordance with an ambient temperature signal from the A/C control amplifier.
      Instant fuel consumption
      • Displays the value that has been calculated by the meter CPU, which is based on the driven distance and the fuel consumption volume (fuel injection No. 1 injector), provided that the engine switch on (IG).
      • The display updates every 0.5 seconds.
      Average fuel consumption
      • Displays a value that has been calculated by the meter CPU, which is based on the driven distance and the fuel consumption volume after the meter CPU detects a refueling.
      • Updated every 10 seconds.
      Dynamic radar cruise control system display ((1)) Displays a description of the operation while the dynamic radar cruise control systems operating.
      A/T gear position signal Displays the A/T gear position and A/T range receiving a signal from the ECM.
      Warning message Illuminates or blinks the master warning light and displays a warning message for each type of system failure.
      DTC (Diagnostic Trouble Code) display Displays the 2 digit DTCs pertaining to the VSC function.
      (1) with Dynamic Radar Cruise Control System

      ODO/TRIP Display 

      ITEM DETAIL - ODO/TRIP DISPLAY

      Item Display
      Maintenance required
      • An oil maintenance required indication will display to remind the driver to change the engine oil depending on the vehicle driving distance. ((1))
      • Displays the mode while in the maintenance request reset mode.
      ODO/TRIP display This display switches between odometer, trip meter A, and trip meter B in accordance with the operation of the ODO/TRIP switch.
      (1) for U.S.A.
  2. ILLUMINATION CONTROL 

    HINT:

    If the engine switch on (IG), the illumination control operates as follows. However, all illuminations other than the tachometer needle turn off while cranking the engine.

    1. The speedometer and tachometer needles illuminate starting from the base of the needles and moving to their tips.
      Fig 2: Identifying Speedometer And Tachometer Needles
      G05320765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. These needles move to their maximum position and return to zero.
      Fig 3: Moving Needles To Maximum Position And Return To Zero
      G05320766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. The fuel gauge and water temperature gauge light up, then the warning lights, indicator lights, multi-information display, and meter panel illumination come on.
      Fig 4: Identifying Fuel Receiver Gauge And Multi-Information Display
      G05320767Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. MULTI-INFORMATION DISPLAY 
    MULTI-INFORMATION DISPLAY SPECIFICATIONS

    Mode Outline
    Cruise Information
    • In the cruise information mode, seven types of information (Outside Temperature, Driving Range, Average Fuel Consumption, Average Fuel Consumption After Refueling, Current Fuel Consumption, Average Speed, and Sequential Gear Position ((1))) can be displayed.
    • The display can be switched by using the DISP switch.
    Warning The warning mode display will interrupt the multi-information display immediately when a warning occurs.
    Multi-switch
    • In the multi-switch mode, 5 switches (Sonar ON/OFF ((2)), Tire pressure Initial/Tire select Main/2nd ((3)), AFS ON/OFF ((4)), SPEED indicator ON/OFF, TACH indicator ON/OFF) can be displayed.
    • The switches can be changed using the satellite switch (RH switch, ON/OFF switch, LH switch).
    Dynamic Radar Cruise Display ((5)) Displays the operating condition of the dynamic radar cruise control.
    Parking Assist-sensor Display Displays the location of an obstacle and the approximate distance between the vehicle and the obstacle and displays malfunction warning messages about sensor freezing or presence of dirt on the sensors.
    Diagnosis DTCs (Diagnostic Trouble Codes) for the following three systems can be displayed.
    • Brake Control System
    • Tire Pressure Warning System ((3))
    • 4WD Control System((6))
    (1) for Automatic Transmission
    (2) with Clearance Sonar System
    (3) with Tire Pressure Warning System
    (4) with Intelligent AFS
    (5) with Dynamic Radar Cruise Control System
    (6) for 4WD
  4. INTEGRATION CONTROL & PANEL ASSEMBLY (without NAVIGATION SYSTEM)/MULTI-DISPLAY (with NAVIGATION SYSTEM) 
    Fig 5: Identifying Integration Control And Panel Assembly Switches
    G05320768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    • Integration control & panel assembly (*1) consists of two parts (passenger information display and heater control panel). These areas display the contents given in the table below.
    • Multi-display (*2) consists of four parts (navigation display, passenger information display, clock display, and heater control panel). These areas display the contents given in the table below.
      CONTROL & PANEL ASSEMBLY (WITHOUT NAVIGATION SYSTEM)/MULTI-DISPLAY (WITH NAVIGATION SYSTEM)

      Item Detail
      Passenger information display Displays the condition of the front passenger seat belt ON/OFF.
      Heater control panel Displays the condition of the heater control panel.
      Clock display (in the clock assembly) Displays the time.
      Navigation display ((1)) Displays the navigation data.
      *1: without Navigation System
      (1) with Navigation System
  5. MULTI-INFORMATION DISPLAY FLOW-CHART 
    Fig 6: Multi-Information Display Flow-Chart (1 Of 4)
    G05320769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 7: Multi-Information Display Flow-Chart (2 Of 4)
    G05320770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 8: Multi-Information Display Flow-Chart (3 Of 4)
    G05320771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 9: Multi-Information Display Flow-Chart (4 Of 4)
    G05320772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DIAGNOSIS SYSTEM 
    Fig 10: Multi-Information Display - "DIAG"
    G05320773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. The combination meter assembly indicates the diagnosis mode by blinking the warning light or by blinking the warning message in the multi-information display.

      HINT:

      • The multi-information display shows "DIAG" when the engine switch is on (IG) (See DIAGNOSIS SYSTEM  ).
      • Diagnosis information can be displayed on the multi-information display after connecting a jumper wire between TC (J21-13) and CG (J21-4) of the DLC3 connector.
  7. SATELLITE SWITCH 
    1. By using satellite switch (RH switch, ON/OFF switch, LH switch), 5 different switch functions can be displayed and changed (SPEED indicator, TACH indicator, Tire pressure (*1), Sonar (*2), AFS (*3)). HINT:
      • *1: with Tire Pressure Warning System
      • *2: with Clearance Sonar System
      • *3: with Intelligent AFS
      • When the engine switch on (IG) while driving at 3 mph (5 km/h) or less, the switch except for SONAR can be displayed.
      • The switch functions displayed are changed in the order shown in the illustration using the satellite switch (RH switch, LH switch). The function can be set using the ON/OFF switch.
      • The display automatically returns to the previous display 6 seconds after the satellite switch is operated. It will return to the previous display immediately if the DISP switch is operated.
        Fig 11: Identifying Satellite Switch
        G05320774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 12: Display - RH, LH And ON/OFF Switch Operation
        G05320775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. SPEED and TACH indicator
      • The SPEED indicator and TACH indicator come on when the vehicle speed or engine speed reaches the speed set using the satellite switch. The setting ranges of these indicators are shown in the table that follows.
      • Vehicle speed or engine speed can be set using the satellite switch.
      • These indicators consist of yellow and red dots that are arranged to form indicator rings.
      • When the set vehicle speed or engine speed is reached while driving, the red and yellow dots will turn on at the same time to cause amber light to illuminate the indicator ring.
      • However, if the vehicle or engine speed is set to the maximum speed of the indicator setting range, and the speed reaches this set speed, only red light will illuminate the indicator ring.

        HINT:

        (See CUSTOMIZE PARAMETERS  )

        Fig 13: Display - Satellite Switch And Operation
        G05320776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 14: Identifying Speed Indicator And Tach Indicator
        G05320777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Speed Indicator: 

        SPEED INDICATOR SPECIFICATIONS

        Destination Setting Range Initial Setting
        U.S.A. 30 to 100 (mph) 75 (mph)
        Canada 50 to 160 (km/h) 120 (km/h)

        Tach Indicator: 

        TACH INDICATOR SPECIFICATIONS

        Destination Setting Range Initial Setting
        U.S.A. 2,000 to 6,500 (rpm) 5,000 (rpm)
        Canada 2,000 to 6,500 (rpm) 5,000 (rpm)

        HINT:

        (See CUSTOMIZE PARAMETERS  )

scientia non olet · About LEMON Manuals