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X-431Diagun User's Manual
13
3 Use X-431Diagun to Diagnose vehicle
3.1 Automotive Diagnosis Preparation and Connection
3.1.1 X-431Diagun preparations
1.
General Test Condition
z
Ignition on.
z
The vehicle battery voltage is 11-14V or 18-30V, and the working
voltage of X-431Diagun is 12V or 24V.
z
Throttle is closed, that is to say the throttle closed position switch is on.
z
Ignition timing and idle should be in the valid range, and the water
temperature and transmission oil temperature must reach the normal
operation temperature (water temperature is 90 – 110°C and
transmission oil temperature is 50 – 80°C) .
2.
Test Connection Selection
X-431Diagun is armed with an OBD
Ⅱ
16PIN connector. Select the
corresponding connector (optional) when testing the vehicle with
non-OBD
Ⅱ
16PIN DLC.
3.1.2 TF Card Installation
a
b
c
d
Figure 3-1 TF Card Installation
