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HD Series
7
program and the vehicle, the following operations need to be
performed:
1) Turn off the ignition;
2) Find the diagnostic interface of the vehicle: it is usually
located on the driver side; If the diagnostic interface is not
found, please refer to the vehicle maintenance manual.
3) Insert one end of the diagnostic main test line into the
device DB-15 connector and tighten the retaining screws. The
other end is connected to the vehicle's diagnostic interface.
Note: Before the equipment is connected to the vehicle, it is
necessary to judge whether the diagnostic seat of the vehicle is
a standard OBD-II interface or a non-standard OBD-II interface.
The vehicle compatible with OBD-II management system
only needs to use the integrated main test line OBD
connector to connect with the vehicle diagnosis seat and
provide power;
For vehicles that are not compatible with the OBD-II
management system, the corresponding connector should
be selected; Some vehicles need to be powered by other
vehicle power sources.
The following is an operation description of these two
connection modes.
1) Connection of standard OBD-II interface
The vehicle connected with standard OBD-II interface only
needs to use the integrated main test line OBD connector, and
no other connectors are needed, as shown in the figure:
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