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Volkswagen Golf Mk7 Service & Repair Manual: General description – Start/Stop system

The Volkswagen Golf Mk7 Start/Stop system reduces fuel consumption by automatically switching off the engine when stationary and restarting it as soon as the driver wants to move — this page explains the full logic.

The Start/Stop system is used for reducing fuel consumption by automatically switching off the engine when the vehicle is stationary and automatically starting it when the driver wants the vehicle to move on. The Start/Stop mode is activated automatically. In order for this to happen, the vehicle must be driven for approx. 4 seconds at a minimum speed of 3 km/h.
   

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    General description – Start/Stop system — Volkswagen Golf Mk7

    How does the Golf Mk7 Start/Stop system work (workshop perspective)?
    The onboard supply control unit -J519- manages engine stop/restart based on battery state, climate demand, brake pedal position and other inputs. The starter is designed for frequent cycling.
    Start/Stop system
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    Overview of fitting locations – Start/Stop system
      Note Note safety precautions → Chapter. The illustration shows fitting locations for LHD vehicles. Fittin ...

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