A method for monitoring a voltage supply of a control device in a motor vehicle
2001
A method for monitoring a voltage supply of a control device in a motor vehicle, characterized in that are generated in a detected error in existing voltages of a power supply module (1) in the control unit, the supply module (1) Components of the control unit via a RESET line (7 ) interrupts in their respective function that the voltages (by straps 19, 20) and target values (18) are monitored for errors that a test of the RESET line (7) of the control unit is initiated, in which case the supply module (1) components with periodic pulses via the RESET line (7) for a predetermined period of time interrupts in their function and a processor (2) counts the time between the interruptions in order to monitor the operation of the RESET line (7).
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