(JP10264740-A)      The system has a main controller (20) directly connected to the battery (1) and changeover devices (23,24) supplying current and control signals to the loads (101,102...) in the vehicle. An auxiliary controller is connected to a control current supply line (7).    In a first state the main controller operates the changeover devices so that battery current is supplied to the load current supply line (6) and the control current supply line. If a mode changeover signal does not change within a defined time of a change to a first mode changeover signal the main controller sets the first changeover switch to non-connecting, interrupting the load current supply. After a second period the second changeover switch is set to non-connecting, interrupting the control current supply.    ADVANTAGE -   Enables current consumption to be minimized when the vehicle is not being used.    (JP10271674-A)      The system has a main controller (20) directly connected to the battery (1) and changeover devices (23,24) supplying current and control signals to the loads (101,102...) in the vehicle. An auxiliary controller is connected to a control current supply line (7).    In a first state the main controller operates the changeover devices so that battery current is supplied to the load current supply line (6) and the control current supply line. If a mode changeover signal does not change within a defined time of a change to a first mode changeover signal the main controller sets the first changeover switch to non-connecting, interrupting the load current supply. After a second period the second changeover switch is set to non-connecting, interrupting the control current supply.    ADVANTAGE -   Enables current consumption to be minimized when the vehicle is not being used.    (JP10271698-A)      The system has a main controller (20) directly connected to the battery (1) and changeover devices (23,24) supplying current and control signals to the loads (101,102...) in the vehicle. An auxiliary controller is connected to a control current supply line (7).    In a first state the main controller operates the changeover devices so that battery current is supplied to the load current supply line (6) and the control current supply line. If a mode changeover signal does not change within a defined time of a change to a first mode changeover signal the main controller sets the first changeover switch to non-connecting, interrupting the load current supply. After a second period the second changeover switch is set to non-connecting, interrupting the control current supply.    ADVANTAGE -   Enables current consumption to be minimized when the vehicle is not being used.    (US6144110-A)      The system has a main controller (20) directly connected to the battery (1) and changeover devices (23,24) supplying current and control signals to the loads (101,102...) in the vehicle. An auxiliary controller is connected to a control current supply line (7).    In a first state the main controller operates the changeover devices so that battery current is supplied to the load current supply line (6) and the control current supply line. If a mode changeover signal does not change within a defined time of a change to a first mode changeover signal the main controller sets the first changeover switch to non-connecting, interrupting the load current supply. After a second period the second changeover switch is set to non-connecting, interrupting the control current supply.    ADVANTAGE -   Enables current consumption to be minimized when the vehicle is not being used.