Fuel Gauge - Lexus LFA Owner's Manual

Fuel gauge

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The fuel gauge displays the amount of fuel remaining on a scale of 0 to 1/1. The
saddle-shaped fuel tank consists of a main tank compartment and a sub-tank
compartment. When the fuel level drops to approximately 2. 9 gal. (11 L, 2.4 Imp. gal.)
between both compartments, the bar display will blink in amber to inform the driver
that the remaining fuel level is low. In this state, the remaining amount of fuel is directed
into the main tank compartment in order to ensure a stable supply of fuel to the engine
even under high cornering G-loads.
Fuel
Main tank Sub-tank compartment
compartment
Remaining fuel directed to main tank
compartment
The main tank compartment and sub-tank compartment each have their own
individual sender gauges to monitor the fuel levels. The ECU calculates the total
amount of fuel remaining from both of these sensors and informs the driver using
the fuel gauge. The ECU digitally processes the fuel level data in order to display a
clear and accurate fuel level even when the fuel level fluctuates under high cornering
G-loads.
S109-14
Blinks when remaining fuel drops to approx.
63
Checking the engine
2. 9 gal. (11 L, 2.4 Imp. gal.)