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Home >> Toyota >> 2008 >> Highlander Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter (Except Hybrid) >> Meter/Gauge System >> System Diagram

System Diagram

  1. CAN signal 
    Fig 1: Identifying Meter/Gauge System Diagram (CAN Signal)
    G05420368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Direct line signal 
    Fig 2: Identifying Meter/Gauge System Diagram (Direct Line Signal)
    G05420369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Input and output signals of the combination meter assembly 
    INPUT AND OUTPUT SIGNALS TABLE

    Communication Signal Sender Receiver Communication Line
    MIL (Check engine warning light) signal ECM Combination Meter Assembly Direct Line
    Starter signal CAN (CAN No. 1 Bus)
    Test mode signal
    Tachometer signal
    Engine coolant temperature signal
    Fuel injection volume signal
    Cruise indicator light signal
    Cruise control warning signal
    Reverse buzzer request signal
    Sports shift reject buzzer request signal
    A/T shift position signal
    A/T fluid temperature signal
    ECT snow indicator light signal
    Reject buzzer signal
    Engine type information signal
    Vehicle speed signal Skid Control ECU Combination Meter Assembly Direct Line/CAN (CAN No 1 Bus)
    ABS warning light signal CAN (CAN No. 1 Bus)
    Brake warning light signal
    Slip indicator light signal
    VSC off indicator light signal ((1))
    Downhill assist control indicator light signal ((1))
    Parking brake signal
    Illuminance data Main Body ECU Combination Meter Assembly CAN (CAN No. 1 Bus)
    Auto dimmer signal
    ACC switch signal
    Key switch signal
    Each door courtesy switch signal
    Smart key signal ((2))
    Driver side seat belt buckle switch signal
    Seat belt warning buzzer signal
    Parking brake switch signal
    High beam indicator light signal
    Head ((3))/Tail ((4)) indicator light signal
    Wireless buzzer signal
    Sliding roof signal ((5))
    Sliding roof warning buzzer request signal ((5))
    Smart key warning buzzer request signal ((2))
    Light reminder buzzer request signal
    Front fog indicator light signal
    Glass hatch courtesy switch signal ((6))
    Front passenger side seat belt buckle switch signal Center Airbag Sensor Assembly Combination Meter Assembly CAN (CAN No. 1 Bus)
    SRS warning light signal
    Front passenger side seat condition signal
    Diagnosis information signal Center Airbag Sensor Assembly Combination Meter Assembly CAN (CAN No. 1 Bus)
    ECM
    Skid Control ECU
    Tire Pressure Warning ECU ((7))
    Power Steering ECU
    Outside temperature signal Air Conditioning Amplifier Combination Meter Assembly CAN (CAN No. 1 Bus)
    EPS warning light signal Power Steering ECU Combination Meter Assembly CAN (CAN No. 1 Bus)
    Steering lock warning signal ((2)) Steering Lock ECU Combination Meter Assembly CAN (CAN MS Bus)
    Tire pressure signal ((8)) Tire Pressure Warning ECU Combination Meter Assembly CAN (CAN MS Bus)
    Vehicle speed signal Combination Meter Assembly Air Conditioning Amplifier CAN (CAN No. 1 Bus)
    ECM
    Power Steering ECU
    Center Airbag Sensor Assembly
    Main Body ECU ((2))
    Sliding Roof Control ECU ((3))
    Steering Lock ECU ((2)) CAN (CAN MS Bus)
    Power Back Door ECU ((8))
    Certification ECU ((2))
    ECM Direct Line
    Radio Receiver Assembly
    Navigation Receiver Assembly ((9))
    Main Body ECU ((2))
    Illuminance data Combination Meter Assembly Main Body ECU CAN (CAN No. 1 Bus)
    Air Conditioning Amplifier
    Tail cancel signal Combination Meter Assembly Main Body ECU CAN (CAN No. 1 Bus)
    Air Conditioning Amplifier
    Vehicle specification signal Combination Meter Assembly Air Conditioning Amplifier CAN (CAN No. 1 Bus)
    Steering Lock ECU ((2))
    Fuel level signal Fuel Sender Gauge Assembly Combination Meter Assembly Direct Line
    Turn indicator light signal Turn Signal Flasher Combination Meter Assembly Direct Line
    Illumination signal Light Control Rheostat Combination Meter Assembly Direct Line
    Tail cancel signal Combination Meter Assembly
    DISP switch signal Steering Pad Switch Combination Meter Assembly Direct Line
    Brake fluid level signal Brake Fluid Level Warning Switch Combination Meter Assembly Direct Line
    Charge warning light signal Generator Combination Meter Assembly Direct Line
    Oil pressure warning light signal Oil Pressure Switch Combination Meter Assembly Direct Line
    Washer level warning light signal Washer Level Warning Switch Combination Meter Assembly Direct Line
    Tire pressure warning light signal ((7)) Tire Pressure Warning ECU Combination Meter Assembly Direct Line
    Multi-information display signal ((10)) Combination Meter Assembly Clock Assembly Direct Line
    Front passenger side seat belt warning light signal Combination Meter Assembly Hazard Warning Switch Direct Line
    (1) for 4WD
    (2) w/ Smart Key System
    (3) for U.S.A.
    (4) except for U.S.A.
    (5) w/ Sliding Roof
    (6) w/ Glass Hatch Opener System
    (7) w/ Tire Pressure Warning System
    (8) w/ Power Back Door System
    (9) w/ Navigation System
    (10) w/ Multi-information Display
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