air filter lexus LFA 2012 Technical Information / LEXUS 2012 LFA: INSIDE THE LFA

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Checking the engine
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■Engine oil temperature gauge
The engine oil temperature gauge displays the oil temperature from 100 to 320°F
(40 to 160°C). When the oil temperature exceeds 284°F (140°C), a buzzer will
sound and the bar display will blink in red and white to inform the driver that the
oil temperature is abnormally high and that the performance and lifespan of the
oil is severely compromised. Allowing the engine oil to cool and maintain a stable
temperature helps to stabilize its performance.
During high-speed driving: approximately 176
to 194°F (80 to 90°C)
[Outside air temperature approximately 68°F
(20°C)]Blinks when temperature exceeds
284°F (140°C)
An oil temperature sensor is installed near the oil filter to monitor the temperature
of the engine oil supplied by the oil pump. The ECU processes the engine oil
temperature from this sensor and informs the driver using the engine oil temperature
gauge.

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■Engine oil pressure gauge
The engine oil pressure gauge displays the engine oil pressure from 0 to 800
kPa. The rapid response of the TFT LCD panel allows for the fluctuations in engine
oil pressure that occur with engine speed to be displayed instantly. The engine oil
pressure is also affected by other factors such as engine oil type, temperature and
deterioration. If the engine oil pressure is too low, the master warning light comes on
and the “Engine oil pressure low” warning message is displayed. Checking the engine
oil pressure regularly aids understanding of the condition of the engine and engine oil.
During high-speed driving: approximately 400
to 800 kPa
(changes depending on driving conditions)
[Outside air temperature approximately 68°F
(20°C)]
When oil pressure is insufficient
An oil pressure sensor is installed near the oil filter.
The oil pressure measurements are processed by the ECU and displayed by the
engine oil pressure gauge.