FCAR Product Instruction Manual
14
The vehicle diagnosis can be performed after the connection.
How to perform the Vehicle diagnosis
1)
Establish a good communication between the diagnostic program and the vehicle
under test, see 3.2
2)
Select vehicle type, see 3.3.
3)
Perform vehicle diagnosis by “Auto Scan” all systems of the vehicle or manually
selecting and detecting a designated control unit. For details, see 3.5.
Here we make the detailed instructions.
Technical Requirements Before Diagnosis
3.1.1 Equipment Requirements
The device is equipped with a host and various test connectors when leaving factory.
In testing, please select appropriate test connector according to the type of vehicle
diagnosis socket.
3.1.2 Vehicle Requirements
Turn ignition switch to gear ON;
Vehicle battery voltage should be between 11~14V or 24~27V (subject
to the vehicle's power supply)
Accelerator pedal is in OFF state, that is, the idle coupling point;
Ignition timing and idle speed value should be within the standard
