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Home >> Jaguar >> 2020 >> XF Checkered Flag >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Electronic Engine Controls - INGENIUM I4 2.0L Petrol -- XE (X760)) >> Electronic Engine Controls - INGENIUM I4 2.0L Petrol >> Description And Operation >> Description >> Active Engine Mount Solenoid

Active Engine Mount Solenoid

WARNING: This page is about a different car, the 2018 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
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The Powertrain Control Module (PCM) controls the vacuum operated engine mounts via an active engine mount solenoid.

When the engine is idling, the PCM completes the ground circuit to the active engine mount solenoid, allowing intake vacuum to be applied to the engine mount. This makes the engine mount more compliant and allows it to absorb more vibration and shake. At higher engine speeds, the PCM reduces the frequency of the pulse signal to the active engine mount solenoid. The engine mounts are switched off when the engine speed decreases a predetermined threshold. The threshold is engine speed dependent, the active engine mounts are switched off when the engine speed increases to 1250 Revolutions Per Minute (RPM).

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