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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 145 (Charging System (Battery, Mounting And Cables) -- XE/(760)) >> Battery, Mounting And Cables >> Description And Operation >> Battery And Cables >> Operation >> System Inhibits

System Inhibits

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

The ECO stop/start system is inhibited if the battery system is not be capable of preventing electrical loads on the vehicle being subject to unacceptably low voltage levels during ECO stop/start operations due to a fault.

ECO stop/start inhibit monitoring of the battery is performed by the BMS control module. If the battery voltage is too low to support an ECO stop/start, then the BMS control module will send a message to the BCM/GWM assembly on the LIN bus to suspend ECO stop/start.

The GWM monitors the battery and the VQM. Any fault found will cause the BCM/GWM assembly to inhibit ECO stop/start and the BCM/GWM assembly will record a DTC.

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