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Home >> Jaguar >> 2012 >> XKR 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Electronic Engine Controls - V8 N/A 5.0L Petrol -- XK/X150) >> Electronic Engine Controls - V8 N/A 5.0L Petrol >> Electronic Engine Controls >> Description And Operation >> Camshaft Position Sensors

Camshaft Position Sensors

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The CMP sensors are MRE (magneto resistive element) sensors that allow the ECM to determine the angular position of the camshafts. MRE sensors produce a digital output which allows the ECM to detect speeds down to zero.

The four CMP sensors are installed in the front upper timing covers, one for each camshaft.

Each CMP sensor is secured with a single screw and sealed with an O-ring. On each CMP sensor, a three pin electrical connector provides the interface with the engine harness.

The head of each CMP sensor faces a sensor wheel attached to the front of the related VCT unit.

If a CMP sensor fails, the ECM:

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