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Home >> Acura >> 2020 >> ILX >> Repair and Diagnosis >> Electrical >> Gauges >> Gauges - Testing & Troubleshooting (Except Hybrid) >> System Description >> Gauges - Control/Function (2016 2017 2018 2019 2020 2021 2022)

Gauges - Control/Function (2016 2017 2018 2019 2020 2021 2022)

Speedometer and Tachometer 

The PCM provides a vehicle speed signal to the gauge control module using the F-CAN. Based on this input, the gauge control module displays the current speed in the speedometer.The PCM provides an engine speed signal to the gauge control module using the F-CAN. Based on this input, the gauge control module displays the current engine speed in the tachometer.

Fuel Gauge and Fuel Indicator 

The gauge control module displays the fuel gauge based on input value from the fuel gauge sending unit. The low fuel indicator turn on in the event that indication of the fuel gauge becomes lower than the minimum tank fill threshold.

ODO Meter and Trip Meter 

The PCM provides a vehicle speed signal to the gauge control module using the F-CAN. Based on this input, the gauge control module tracks mileage for the odometer and trip meter.

Engine Coolant Temperature 

The PCM provides an engine coolant temperature signal to the gauge control module using the F-CAN.

Outside Air Temperature 

The gauge control module for the vehicle with climate control receives outside air temperature signal from the climate control unit via B-CAN.

Calculates Instant/Average Fuel Economy/Range 

The gauge control module receives signals such as fuel consumption, driving distance, vehicle speed and engine speed from the PCM via F-CAN. It calculates instant/average fuel economy and range to display the results.

Select Position 

The PCM provides transmission selector position to the gauge control module using the F-CAN. Based on this data, the gauge control module illuminates the appropriate A/T gear position indicator light.

Gauge Control Module Receives Information 

The gauge control module receives information from each control unit via F-CAN and B-CAN to light or flash the indicators. The parking brake switch and brake fluid level switch connect directly to the gauge control module. The MICU creates turn signal inputs that connect directly to the turn signal indicators in the gauge control module.

Keyless Access System 

The gauge control module receives information from the keyless access/TPMS control unit via B-CAN to display status of the keyless access system.

Buzzer 

The gauge control module includes a buzzer to provide the driver with audible warnings. Possible alarms are listed below.

Illumination Control 

When the exterior lights are off, the system is in the lights off state. Brightness can be adjusted using the dashlights brightness controller.