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FEATURES
Cylinder identification sensor
The cylinder identification sensor is mounted on the exhaust head cover of the #4 cylinder. When
the exhaust cam of the #4 cylinder rotates and the lift of the cam passes by the sensor, the sensor
generates a signal and sends it to the ECU. Based on this signal and the signal from the crankshaft
position sensor, the ECU then actuates the injector of the cylinder that is currently in order to supply
fuel.
1
Cylinder identification
sensor
2
Cam
È
Cam lift
É
Crankshaft position
sensor signal
Ê
Cylinder identification
sensor signal
Ë
Cylinder firing order
Ì
#4 cam lobe onto
exhaust camshaft
Í
Combustion
Î
Exhaust
Ï
Injection
Ð
Intake
Ñ
Compression
Ò
Ignition
#1
#2
#4
#3
180˚
180˚
180˚
180˚