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Home >> Jaguar >> 2017 >> XJR L >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Electronic Engine Controls - V8 N/A 5.0L Petrol -- XJ/X351) >> Description And Operation >> Electronic Engine Controls - System Operation And Component Description (G1772581) >> Component Description >> Engine Coolant Temperature Sensors >> ECT 1

ECT 1

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ECT 1 is installed in the heater manifold, at the rear of the RH (right-hand) cylinder head. The input from this sensor is used in calibration tables and by other systems.

If there is an ECT 1 fault, the ECM adopts an estimated coolant temperature. On the second consecutive trip with an ECT 1 fault, the ECM illuminates the MIL.

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