| 摘要 |
The invention relates to a method and a system for controlling the operation of an engine (2) of a motor vehicle provided with a gearbox (4), a retarder (10), a cooling circuit (20) with cooling medium for cooling the engine (2) and the retarder (10), and a cooling medium pump (24) and/or a cooling fan (25) driven by the engine (2) in dependence on the rotational speed thereof. The rotational speed of the engine (2) is automatically increased above the normal idling speed of the engine when the following conditions, optionally in combination with one or several further conditions, are simultaneously fulfilled: - it is established that the retarder (10) is in operation, and - it is established that the output shaft (5) of the engine is disconnected from the output shaft (6b) of the gearbox. |
