DongFeng H30, Manual, Page: 263 / 302

Vehicle Diagnosis
Button Descriptions
The main buttons on the operation interface
and their functions are as follows:
[BACK]: to return to the previous interface.
[START]: to do the next operation.
[EXIT]: to exit the diagnostic program.
[OK]: to confirm and execute.
[CANCEL]: to cancel present operation and
return to the previous interface.
[PAGE UP]: to display the previous page. It is
inactive if the current page is the first page.
[PAGE DOWN]: to display the next page. It is
inactive if the current page is the last page.
[HOME]: return to the main interface.
[BOX INFO]: to show the version information
of
SMARTBOX.
[HELP]: to display the help information.
[RETRY]: to do the unfinished operation once
again.
Conditions for Test

Turn on the key.

The rated voltage of the DFPV Diag. is
12V. The voltage of vehicle battery may
be 12V or 24V.

The throttle should be in the closed
position.

DFPV Diag. can be operated in the
temperature of 0-50 ℃ . (30 minutes of
warming-up may be necessary when the
ambient temperature is 5
℃ ) .
Select Diagnostic connector
Various diagnostic connectors are supplied
with DFPV Diag.. Select a specific connector
according to the tested vehicle.
Let’s take Benz heavy-duty vehicle (Benz HD
for short) as example to describe the test
procedure.
Note:
The test procedure for different vehicle
make is similar. Please refer to the
described procedure and the screen
prompts when diagnosing other vehicle.
Benz HD is usually equipped with 14PIN or
16PIN diagnostic socket.
Diagnostic Socket Location
The location of different model will be different.
For details, please refer to Service Manual.
Connection

Insert the CF card into the CF card slot,
keep the face labeled “UPSIDE”
upward, and make sure the card is fully
seated.

Insert one end of the main cable into the
diagnostic socket on SMARTBOX.

Connect the other end of the main cable
to one end of SMART OBDII -16E.

Connect the other end of SMART OBDII
-16E to diagnostic connector.

Connect the other end of the diagnostic
connector to the vehicle diagnostic socket.
See Figure 2-01.
Figure 2-01
① -DFPV Diag. ② -Diagnostic main cable ③ -
SMART OBDII -16E ④ -Diagnostic connector
Note:
If the power supply on vehicle diagnostic
socket is insufficient or the power pin is
damaged, you can get power in the
following ways: