System Description

SYSTEM

INFORMATION DISPLAY : System Description


DESCRIPTION

- The combination meter receives signals necessary for controlling the operation of the information display from each unit, sensor and switch.
- The combination meter incorporates a trip computer that displays the warning/information according to the information received from each unit, sensor and switch.
- The combination meter shows the following functions on the information display.
- Odo/trip meter
- Engine coolant temperature gauge
- Fuel gauge
- Trip computer
- Interrupt indication
- Ambient temperature

ODO/TRIP METER

The combination meter calculates mileage, based on the following signals and displays the mileage on the information display.






ENGINE COOLANT TEMPERATURE GAUGE

- ECM reads the engine coolant temperature signal from the engine coolant temperature sensor and transmits the signal to the combination meter via CAN communication.
- The combination meter indicates the engine coolant temperature to the water temperature gauge according to the engine coolant temperature signal received via CAN communication.






FUEL GAUGE

Control Outline
The combination meter reads the fuel level sensor signal from the fuel level sensor unit and indicates the fuel level to the fuel gauge.





Refuel Control
The unit judges that the driver is refueling the vehicle and accelerates the fuel gauge segment movement if the fuel level changes by 15 (4 US gal, 3 - 1/4 lmp gal) or more.

AMBIENT TEMPERATURE

The combination meter calculates ambient temperature based on the following signals, and the calculated value is displayed on the information display.





NOTE:
- The indicated temperature is corrected based on an ignition signal, ambient temperature detected by the ambient sensor, and vehicle speed signal. The indicated temperature is not raised under vehicle speed less than 20 km/h (12 MPH).
- The ambient sensor input value that is displayed on "Data Monitor" of CONSULT is the value before the correction. It may not match the indicated temperature on the information display.
- Depending on engine heat or heat on the road surfaces, an ambient temperature may be indicated higher than actual one.

TRIP COMPUTER

Current Fuel Consumption
The combination meter calculates current fuel consumption based on the following signals, and the calculated value is displayed on the information display.





NOTE:
- Current fuel consumption on the information display is updated approximately every 0.5 seconds.
- Current fuel consumption on the information display shows 0 l/100km (0 mpg) when vehicle speed is 0 km/h (0 MPH).
Average Fuel Consumption
The combination meter calculates average fuel consumption based on the following signals, and the calculated value is displayed on the information display.





NOTE:
- Average fuel consumption on the information display is updated approximately every 30 seconds.
- Soon after a reset or when the ignition switch is turned ON right after battery removal and installation, "--"
is displayed until after a travel of 30 seconds and approximately 500 m (0.31 mile).
Distance to Empty
The combination meter calculates distance to empty based on the following signals, and the calculated value is displayed on the information display.





NOTE:
- Distance to empty on the information display is updated approximately every 30 seconds.
- When the ignition switch is turned ON right after battery removal and installation, "--" is displayed until after a travel of 30 seconds.
- The indicated values may not match each other when refueling with the ignition switch ON.
Travel Time
The combination meter measures and displays travel time (ignition switch ON time).
Torque Distribution Indicator
Torque Distribution Indicator.

INTERRUPT INDICATION

- The combination meter displays an interrupt regarding a warning, alert, and maintenance on the information display, based on signals received from each unit and switch.
- When conditions are satisfied, the normal screen switches to a warning screen to display an interrupt.
Meter Illumination Level
The combination meter displays the illuminance level of the back light on the information display by turning the meter control switch.
Low Fuel Warning
- When all the following operating conditions are satisfied, the combination meter displays a low fuel warning on the information display by an interrupt.





- The combination meter judges showing/hiding of "low fuel warning", according to the signals below:





Fuel Filler Cap Warning
- The combination meter judges showing/hiding of "fuel filler cap warning", according to the signals below:





- For further information, System Description.
Low Tire Pressure Warning
- The combination meter judges showing/hiding of "low tire pressure warning", according to the signals below:





- For further information, System Description.