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Home >> Jaguar >> 2010 >> XFR >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Electronic Engine Controls - GTDI 2.0L Petrol -- XF/X250) >> Electronic Engine Controls - GTDI 2.0L Petrol >> Description And Operation >> Electronic Engine Controls - System Operation And Component Description (G1550549) >> Description >> Crankshaft Position (CKP) Sensor

Crankshaft Position (CKP) Sensor

WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
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The CKP sensor is located at the front of the engine, adjacent to the crankshaft pulley/vibration damper. The sensor is secured to two bosses on the engine front cover and secured with two bolts. The sensor receives a 5V reference voltage from the ECM. Two further connections to the ECM provide ground and signal output.

The CKP sensor is positioned adjacent to the trigger wheel, which is an integral part of the crankshaft pulley/vibration damper. The trigger wheel has 58 teeth and a section where 2 teeth are missing. The sensor is a Hall effect sensor which uses the missing teeth on the trigger wheel to determine the crankshaft position and rotational speed.

If a fault occurs with the CKP sensor, a DTC is registered in the ECM. If the sensor fails when the engine is running the engine will stall and will not restart until the fault has been corrected.

The ECM uses the signal from the CKP sensor for the following functions:

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