| 摘要 |
<p>An electronic steering lock includes a power supply control unit and a locking assembly. The power supply control unit provides a supply voltage for locking the assembly via a ground supply line and a voltage supply line. The locking assembly is only supplied with a supply voltage and ground when a voltage with respect to ground is present on an ignition supply line, which is indicative of the ignition being switched off. The locking assembly includes a locking motor supplied with voltage and ground, whereby the ground supply of the locking motor is provided via a ground supply switching device. The locking assembly further includes a control circuit which controls the ground supply switching device. The control circuit produces a control signal which opens the ground supply switching device when the voltage on the additional input connection is indicative of the ignition being switched on.</p> |
