| 摘要 |
A vehicle control system includes at least one electronic control unit (ECU1...ECUn) which has means for detecting a fault within the unit (ECU1...ECUn) itself and/or any actuators associated therewith, and means for illuminating a warning lamp (F1...Fn) in response to fault detection. The system includes means for interrogating the control unit (ECU1...ECUn), for example to detect the nature of a fault, whose operation may be initiated by depressing a manually controlled switch (SW1). A light, e.g. the warning lamp itself (F1...Fn), flashes in a coded sequence to "talk back" to the user.
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