20
Figure 4-1 Sample of How to Connect Device to Vehicle
①
Tablet
②
Main Test Cable
③
OBDII-16 Connector
④
Vehicle
⚫
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;
