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22
The connection method is shown in the figure below:
Fig 4-1
※Precautions for diagnosis
1. The battery voltage range on the car: +9~+36V DC;
2. When testing some special functions, the operator must
operate according to the prompts and meet the test
conditions. For some models [special functions], the
conditions that need to be met are: engine water temperature
80
℃
~105
℃
, turn off headlights and air conditioners, Keep
the accelerator pedal in the released position, etc.;
3. As the electronic control systems of different models are
more complicated, if you encounter situations where it is
impossible to test or a large amount of test data is abnormal,
you can search for the ECU of the vehicle and select the
menu through the model on the ECU nameplate;
4. If the vehicle type or electronic control system to be tested
is not found in the D8 BT diagnostic function, please upgrade
the vehicle diagnostic software to the latest version or consult
the technical service department;
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