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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) >> System Operation >> Diagnostics

System Operation: Diagnostics

WARNING: This page is about a different car, the 2013 Jaguar XJ, 2012 Jaguar XJ, 2011 Jaguar XJ, and 2010 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.

The ECM stores each fault as a DTC (diagnostic trouble code). The DTC and associated environmental and freeze frame data can be read using Jaguar approved diagnostic equipment, which can also read real time data from each sensor, the adaptation values currently being employed and the current fueling, ignition and idle speed settings.

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