Patent ID: 7324550

Claim:
A data communication adapter, comprising: a first interface to connect with a scan tool; a second interface to connect with a third interface that is on a vehicle; at least one data line that relays data transmitted in a first communication protocol between the first and second interfaces; a chipset in communication with the at least one data line, the chipset can convert the first communication protocol to a. second communication protocol and vice versa; a transceiver in communication with the chipset and the at least one data line, the transceiver receives and transmits data to and from the chipset; a switch that is provided on the at least one data line to direct the data within the adapter, the switch being controlled by the chipset to open or close, wherein the chipset controls the switch to open or close depending if the communication protocol has to be converted, wherein when the switch is closed, the communication protocol is communicated on the at least one data line between the scan tool and the interface on the vehicle, and when the switch is open the chipset converts the first communication protocol to the second communication protocol and vice versa; and a regulator to change front a first voltage of a battery to a second voltage, wherein the chipset comprises: a J1850 communication controller; a CAN controller; and a microprocessor, wherein the communication controller, the CAN controller and the microprocessor are in communication with each other.