ANCEL HD3300 User Manual

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HD Series

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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