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Home >> Lexus >> 2018 >> GS 450h Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Diagnostics) >> Meter / Gauge System >> System Description [09/2014 - 10/2015] >> System Description [09/2014 - 10/2015]

System Description [09/2014 - 10/2015]

  1. METER GAUGE AND WARNING/INDICATOR 
    Fig 1: Meter Gauge And Warning/Indicator
    GTY528147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *1 Hybrid System Indicator / Tachometer *2 Speedometer
    *3 Multi-information Display *4 Engine Coolant Temperature Receiver Gauge
    *5 Fuel Receiver Gauge *6 Eco light
    METER/GAUGE

    Item Details
    Hybrid system indicator (Sport mode off) The combination meter receives an eco-zone indicator level signal from the power management control ECU and the gauge needle operates (CAN).
    Tachometer (Sport mode on) The combination meter receives an engine speed signal from the ECM and the gauge needle operates (CAN).
    Speedometer Based on a signal received from the wheel speed sensors, the skid control ECU assembly calculates the vehicle speed and transmits data to the combination meter (CAN).
    ODO/TRIP meter
    • The combination meter receives a vehicle speed pulse integration signal from the skid control ECU assembly and the ODO/TRIP meter display operates (CAN).
    • The ODO/TRIP meter display changes when the ODO/TRIP switch is operated.
    Engine coolant temperature gauge The combination meter receives an engine coolant temperature signal from the ECM and the gauge needle operates (CAN).
    Fuel receiver gauge The combination meter receives fuel amount information measured by the fuel sender gauge and the gauge needle operates (Direct line).
    WARNING/INDICATOR

    Item Details
    Turn indicator light (LH/RH)
    GTY528078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a turn signal from the hazard warning switch or turn signal switch (Direct line).
    Front fog indicator light
    GTY528084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives front fog indicator light signals from the main body ECU (CAN).
    High beam indicator light
    GTY536782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives high beam indicator light signals from the main body ECU (CAN).
    Headlight indicator light*1
    GTY529313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives headlight indicator light signals from the main body ECU (CAN).
    Taillight indicator light*2
    GTY526834Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives taillight indicator light signals from the main body ECU (CAN).
    Open door warning light
    GTY528086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives door open signals from the main body ECU (CAN).
    Front seat belt warning light
    GTY536806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives driver seat belt signals (unfastened) or passenger seat belt signals (unfastened) from the main body ECU (CAN).
    SRS warning light
    GTY528083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the center airbag sensor (CAN).
    Master warning light
    GTY537084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives warning signals from sensors and ECUs (Direct line and CAN).
    MIL*1
    GTY529325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the ECM (Direct line).
    MIL*2
    GTY528079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the ECM (Direct line).
    Charge warning light
    GTY529298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the power management control ECU (CAN).
    EPS warning light
    GTY537087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives power steering warning signals from the power steering ECU (CAN).
    AFS OFF indicator light
    GTY529328Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives AFS OFF indicator signals from the headlight swivel ECU (CAN).
    BRAKE warning light*1
    GTY529327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Receives brake fluid level warning signals from the skid control ECU assembly (CAN).
    • Vehicle stability control system is malfunctioning (CAN).
    Brake warning light*2
    GTY528081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Receives brake fluid level warning signals from the skid control ECU assembly (CAN).
    • Vehicle stability control system is malfunctioning (CAN).
    PARK warning light*1
    GTY529297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives parking brake signals from the parking brake ECU (CAN).
    Parking brake warning light*2
    GTY529319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives parking brake signals from the parking brake ECU (CAN).
    EPB*/ECB* warning light
    GTY528081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the parking brake ECU (CAN).
    Cruise indicator light
    GTY526829Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a cruise control switch signal from the power management control ECU (CAN).
    Radar cruise indicator light*3
    GTY529318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives radar cruise indicator signals from the power management control ECU (CAN).
    SET indicator light
    GTY537086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a cruise control switch signal from the power management control ECU (CAN).
    Clearance sonar indicator light*4
    GTY529295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a clearance sonar indicator signal from the clearance warning ECU (CAN).
    Fuel level warning light
    GTY526835Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives signals from the fuel sender gauge indicating low or no fuel (Direct line).
    ABS warning light*1
    GTY529320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the skid control ECU assembly (CAN).
    ABS warning light*2
    GTY528080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives malfunction signals from the skid control ECU assembly (CAN).
    Slip indicator light
    GTY526827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives slip indicator signals from the skid control ECU assembly (CAN).
    VSC OFF indicator light
    GTY526828Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives VSC OFF indicator signals from the skid control ECU assembly (CAN).
    PCS warning light*5
    GTY529322Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a PCS warning signal from the seat belt control ECU (CAN).
    LKA indicator light*6
    GTY537080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a LKA indicator signal from the driving support ECU (CAN).
    Tire pressure warning light
    GTY529321Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a tire pressure warning signal from the main body ECU (CAN).
    EV mode indicator light
    GTY522381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives an EV mode indicator signal from the power management control ECU (CAN).
    READY indicator light
    GTY522380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives a READY indicator signal from the power management control ECU (CAN).
    Brake hold standby indicator light
    GTY522436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives brake hold standby indicator signals from the skid control ECU assembly (CAN).
    Brake hold operated indicator light
    GTY522434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Receives brake hold operated indicator signals from the skid control ECU assembly (CAN).
    • EPB*: Electric Parking Brake System
    • ECB*: Electronically Controlled Brake System
    • *1: for U.S.A.
    • *2: for Canada
    • *3: w/ Dynamic Radar Cruise Control System
    • *4: w/ Intuitive Parking Assist System
    • *5: w/ Pre-collision System
    • *6: w/ Lane-keeping Assist System