Operation Section
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8.3 Cylinder Recognition Sensor (TDC)
z Outputs a cylinder identification signal. The sensor outputs 5 pulses for every two revolutions (720°CA) of the engine.
8.4 Turbo Pressure Sensor
z This is a type of semi-conductor pressure sensor. It utilizes the characteristics of the electrical resistance changes that occur when the
pressure applied to a silicon crystal changes. Because a single sensor is used to measure both turbo pressure and atmospheric pressure,
a VSV is used to alternate between atmospheric and turbo pressure measurement.
Q001248E
<Outline Diagram>
Engine ECU
Detection
Calculation
Actuation
Sensor
Actuator
Q001249E
30°CA 180°CA 180°CA
720°CA
180°CA
5V
1V
0V
Pulser
Sensor
Signal
Vcc
GND
OUT
Q001229E
GND
P
B
VC
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