ENGINE
WG972-E4, WSM
1-M28
[5] TEMPERATURE AND MANIFOLD ABSOLUTE PRESSURE
SENSOR (TMAP SENSOR)
TMAP sensor is mounted in the intake manifold and
measures the absolute pressure as well as the
temperature of the air / fuel stream. MAP data is used by
the ECU for calculating airflow pressure. The
temperature information from the TMAP is used for a
density correction in the mass air flow calculation.
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[6] CRANKSHAFT POSITION SENSOR
The Crankshaft Position Sensor provides engine
speed information.
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[7] CAMSHAFT POSITION SENSOR
The Camshaft Position sensor informs the ECU
which cylinders are in compression to signal spark
timing.
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