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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter / Gauge System >> System Diagram

System Diagram

  1. BEAN SIGNAL 
    Fig 1: Meter / Gauge System (Bean Signal) - System Diagram
    G05754687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CAN AND AVC-LAN SIGNAL 
    Fig 2: Meter / Gauge System (CAN And AVC-LAN Signal) - System Diagram
    G05754688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DIRECT LINE SIGNAL 
    Fig 3: Meter / Gauge System (Direct Line Signal) - System Diagram
    G05754689Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER 
    INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER

    Communication Signal Sender Receiver Communication Line
    Vehicle specification Combination Meter Gateway ECU BEAN (Steering Column and Door Bus)
    ECM CAN-BEAN
    Satellite switch Combination Meter Gateway ECU BEAN (Instrument Panel Bus)
    AFS ECU
    Clearance Warning ECU(1)
    Main Body ECU RH (Cowl Side Junction Block RH) BEAN (Steering Column and Door Bus)
    Skid Control ECU CAN-BEAN
    Vehicle speed Combination Meter Center Airbag Sensor Assembly CAN-BEAN
    Tilt and Telescopic ECU BEAN (Steering Column and Door Bus)
    Sliding Roof Control ECU(3)
    Power Source Control ECU
    Power Window Master Switch
    Rain Sensor
    Seat Position Memory ECU LH and RH
    Certification ECU
    Main Body ECU LH and RH (Cowl Side Junction Block LH and RH)
    Air Conditioning Amplifier BEAN (Instrument Panel Bus)
    AFS ECU
    Tire Pressure Warning ECU
    Clearance Warning ECU(1)
    Power Source Control ECU Direct Line
    Multi-display(6)
    Stereo Component Amplifier
    ECM
    Outside temperature Air Conditioning Amplifier Combination Meter BEAN (Instrument Panel Bus)
    Sonar indicator light(1) Clearance Warning ECU Combination Meter BEAN (Instrument Panel Bus)
    Area (FR/FL/RR/RL/Rear center)(1)
    Tire pressure warning Tire Pressure Warning ECU Combination Meter BEAN (Instrument Panel Bus)
    Tire pressure initial/select Direct Line
    AFS OFF indicator light AFS ECU Combination Meter BEAN (Instrument Panel Bus)
    AFS warning
    Each door courtesy light switch Main Body ECU RH (Cowl Side Junction Block RH) Combination Meter BEAN (Steering Column and Door Bus)
    Door lock detection switch
    Hi-beam indicator light
    Front fog indicator light
    Key
    Washer fluid level
    Head indicator light(7)
    Tail indicator light(8)
    Sliding roof condition Sliding Roof Control ECU(3) Combination Meter BEAN (Steering Column and Door Bus)
    Fuel injection ECM Combination Meter CAN-BEAN
    Engine coolant temperature
    Sport indicator light
    Snow indicator light
    A/T fluid temperature warning light
    A/T shift position
    Diagnosis
    Cruise indicator
    Engine oil pressure
    Engine oil level
    Vehicle specification
    Charge indicator light
    Engine speed Direct Line
    MIL (Check engine warning light)
    Dynamic radar cruise control(4) Distance Control ECU Combination Meter CAN-BEAN
    Brake indicator light Skid Control ECU Combination Meter CAN-BEAN and Direct Line
    VSC OFF warning light CAN-BEAN
    Slip indicator light
    ABS warning light
    Parking brake switch
    Vehicle speed Direct Line
    PCS indicator light(2) Seat Belt Control ECU Combination Meter CAN-BEAN
    EPS warning light Power Steering ECU Combination Meter CAN-BEAN
    Steering lock condition Smart Key ECU Combination Meter BEAN (Steering Column and Door Bus)
    Airbag warning light Center Airbag Sensor Assembly Combination Meter CAN-BEAN
    Driver side seat belt warning light
    Front passenger side seat condition
    Front passenger side seat belt buckle switch
    Engine oil temperature Engine Oil Temperature Sensor Combination Meter Direct Line
    Satellite switch Satellite Switch Combination Meter Direct Line
    Voltage meter Battery Combination Meter Direct Line
    Multi-information display operation Steering Pad Switch (DISP) Combination Meter Direct Line
    Fuel level Fuel Sender Gauge Assembly (Main and Sub) Combination Meter Direct Line
    Turn LH/RH Turn Signal Flasher Combination Meter Direct Line
    Illumination Light Control Rheostat Combination Meter Direct Line
    Tail cancel
    Light control rheostat position Combination Meter Power Source Control ECU Direct Line
    Brake fluid level Brake Fluid Level Warning Switch Combination Meter Direct Line
    Front passenger side seat belt warning light Combination Meter Integration Control and Panel Assembly(5) or Multi-display(6) Direct Line
    (1) w/ Intuitive Parking Assist System
    (2) w/ Pre-collision System
    (3) w/ Sliding Roof
    (4) w/ Dynamic Radar Cruise Control System
    (5) w/o Navigation System
    (6) w/ Navigation System
    (7) for U S A
    (8) for Canada