Abstract: An electronic control apparatus includes an event portion, a cumulative number acquiring portion, a time series information acquiring portion, and a storing execution portion. The event portion acquires an event information item representing an occurrence of an event. The cumulative number acquiring portion acquires a cumulative number of the occurrence of the event each time the event information item is acquired. The time series information acquiring portion acquires a time series information item each time the event information item is acquired. The storing execution portion stores, corresponding to the cumulative number, the time series information item cumulatively acquired by the time series information acquiring portion using all area of an information storage portion each time the time series information item is acquired. The time series information item includes vehicle information entries arranged in chronological order. Each of the vehicle information entries represents a condition of the vehicle.

Abstract: An electrical connection box includes an outer box and an inner box to be accommodated in the outer box. The outer box includes an outer box body, a first lock portion to lock the inner box and a ground member to be electrically connected to a ground conductor, the ground member including a first ground contact portion provided at or adjacent to the first lock portion. The inner box includes an inner box body, a second lock portion to be engaged with the first lock portion, a ground circuit element to which the circuit base is connected to ground the circuit base and a contact conductor electrically connected to the ground circuit element, the contact conductor including a second ground contact portion to be electrically connected to the first ground contact portion when the first lock portion and the second lock portion are engaged with each other.

Abstract: A ground connection structure for an electrical connection box and a fixation object, includes a first ground contact portion provided on the fixation object, a second ground contact portion provided on the electrical connection box and electrically connected to the first ground contact portion when the electrical connection box is fixed to the fixation object, a ground circuit body provided in the electrical connection box and electrically connected to the second ground contact portion, and a fixing member configured to fix the electrical connection box to the fixation object such that the second ground contact portion is brought into contact with the first ground contact portion.

Abstract: A vehicle power supply circuit includes; a plurality of switch circuits which are connected in parallel to each other and connected to a power supply at positive electrode side to be switched to an open or short circuit separately; a relay circuit including an excitation coil and a switch unit which is connected to the power supply at positive electrode side and is switched from an open circuit to a short circuit since a current flows from the power supply to the excitation coil; and a resistor disposed in parallel with the excitation coil and connected in series to the plurality of switch circuits.

Abstract: A vehicle power supply circuit includes; a resistor disposed between negative electrode side of the switch portion and positive electrode side of back lamps, of which positive electrode side is connected to the negative electrode side of the switch portion, and the negative electrode side is connected to the positive electrode side of the back lamps; and a rectifier which causes the current of the power supply to flow in one direction from the plurality of switch circuits to the back lamps, of which positive electrode side is connected to the negative electrode side of the plurality of switch circuits, and the negative electrode side is connected to the negative electrode side of the resistor and the positive electrode side of the back lamps.

Abstract: An electrical connection box includes: a box main body; an electric circuit body loaded into the box main body; a grounding member provided in the electric circuit body; a belt-like grounding metal plate extending from the grounding member to the outside of the box main body; a fixing bracket extending integrally with the box main body and including the grounding metal plate; and a bolt through hole formed through a tip end portion of the fixing bracket to electrically connect the grounding metal plate to a bolt to be inserted.

Abstract: A wire harness includes a standard sub-harness including a standard circuit line, an optional sub-harness including a selection circuit line, and a protector protecting trunk lines including the standard sub-harness. The protector includes a circuit network configuring a part of the selection circuit line so as to implement selectively added function in the wire harness. The selection circuit line of the optional sub-harness branched from the trunk line is connected to the circuit network of the protector.

Abstract: A wire harness includes at least two electrical wires, and a connection unit via which each of the at least two electrical wires are connected. The connection unit includes a circuit board connected to the at least two electrical wires, and a conductor member extending downward from the circuit board, the conductor member being electrically connected to a ground pattern on the circuit board. The connection unit is attached to a vehicle body in a state where the conductor member is in contact with a grounding conductor formed on the vehicle body when the connection unit is disposed on the vehicle body. Therefore, the circuit board can be directly connected to the ground via the conductor member only by disposing the connection unit on the vehicle body.

Abstract: A wire harness is provided. The wire harness includes a connector holder, a connector held in the connector holder, and an electric wire extending from the connector toward a predetermined routing direction. The electric wire is to be held at a predetermined attachment position on an outer wall surface of the connector such that the electric wire extends toward the routing direction passing through the attachment position. The attachment position is configured to be changeable to a plurality of different positions according to the routing direction.

Abstract: A wire harness system having a wire harness and a connection unit is provided. The connection unit includes a circuit network configuring a part of circuit lines for realizing selectively added specification in the wire harness. Selection circuit lines of an optional sub-harness branched from the trunk line of the wire harness are connected to the circuit network of the connection unit. Thus, connection or disconnection between the selection circuit lines and switching of connection among branches or the like of the selection circuit lines can be easily realized by changing the circuit network of the connection unit.

Abstract: A wire harness includes a first electric wire which is provided with a first connector at a tip end thereof and is branched form a trunk line, a second electric wire which is provided with a second connector to be connected to the first connector and is connected to the first electric wire via the first connector and the second connector, a connector holder configured to hold one of the first connector and the second connector.

Abstract: An electronic control apparatus includes an event portion, a cumulative number acquiring portion, a time series information acquiring portion, and a storing execution portion. The event portion acquires an event information item representing an occurrence of an event. The cumulative number acquiring portion acquires a cumulative number of the occurrence of the event each time the event information item is acquired. The time series information acquiring portion acquires a time series information item each time the event information item is acquired. The storing execution portion stores, corresponding to the cumulative number, the time series information item cumulatively acquired by the time series information acquiring portion using all area of an information storage portion each time the time series information item is acquired. The time series information item includes vehicle information entries arranged in chronological order. Each of the vehicle information entries represents a condition of the vehicle.

Abstract: A group of electric wires of a first wire harness assigned to a first divided region is identified for each pattern as a necessary electric wire having a connection counterpart in a second divided region adjacent to the first divided region among the divided regions and an extra electric wire not having a connection counterpart in the second divided region. It is determined, out of connectors connected to a group of the electric wires of the first wire harness, that a connector is an unmated connector when all electric wires connected to the connector are the extra electric wires.

Abstract: A structure of mounting a grommet according to one embodiment includes: the grommet with: a cylindrical portion for covering a wire harness inserted into a panel hole formed at a panel; and a cylindrical portion provided at an end portion of the cylindrical portion and adhered tightly to the panel in such a manner as to cover an edge portion of the panel hole. When the grommet is mounted to the panel, the cylindrical portion is disposed on a room inside, and the wire harness and the cylindrical portion are upwardly inclined.

Abstract: An electric wire classified as an extra electric wire in any one of patterns and classified as a necessary electric wire in any one of the remaining patterns is determined to be a possibly-unused electric wire, and an electric wire classified as an extra electric wire in the entirety of the patterns is determined not to be a possibly-unused electric wire.

Abstract: A group of electric wires of a first wire harness assigned to a first divided region is identified for each pattern as a necessary electric wire having a connection counterpart in a second divided region adjacent to the first divided region among the divided regions and an extra electric wire not having a connection counterpart in the second divided region. It is determined, out of connectors connected to a group of the electric wires of the first wire harness, that a connector is an unmated connector when all electric wires connected to the connector are the extra electric wires.

Abstract: A structure of mounting a grommet according to one embodiment includes: the grommet with: a cylindrical portion for covering a wire harness inserted into a panel hole formed at a panel; and a cylindrical portion provided at an end portion of the cylindrical portion and adhered tightly to the panel in such a manner as to cover an edge portion of the panel hole. When the grommet is mounted to the panel, the cylindrical portion is disposed on a room inside, and the wire harness and the cylindrical portion are upwardly inclined.

Abstract: A composite electric wire that includes an electric wire body (W) composed of center conductors made of copper (CU) and outer-layer conductors made of aluminum (AL) and coated with copper. The outer-layer conductors are arranged to extend in a Z-direction along the outer circumferences of the center conductors (CU) and to enclose the center conductors (CU).

Abstract: A charge monitoring apparatus is mountable on or connectable to a vehicle which uses electrical power supplied from a battery on the vehicle for traveling.

Abstract: The wire harness protecting structure serves to protect predetermined parts of the wire harness 11 from an interference of other members. The wire harness protecting structure includes protecting members 15 which cover outer peripheries of the wire harness 11 in the predetermined parts and a fixing adhesive tape 21 fixed in such a way that a starting end part 17 is wound on the wire harness 11 and fixed thereto, the fixing adhesive tape is wound on the outer peripheries of the protecting members 15 to fix the protecting members 15, and then, a terminal end part 19 wound and fixed on the wire harness 11 opposite to the starting end part 17 with the protecting members 15 sandwiched between them.