Today we’re gonna show how to use LAUNCH X431 PAD5 + SmartLink C 2.0 HD3 to write Scania fuel pressure, reference value(bar) by OBD.
Connect X431 PAD V & HD3 to car OBD port.
Open X431 HD APP >> Local Diagnosis >> Scania >> OK >> CAN Automatic Identification >> System Scan
Wait for a while…
We can see more detailed info in System List.
System List >> EMS(Engine Management System) >> Enter >> OK >> Actuation Test >> Fuel Pressure, Reference Value(bar)
Test Conditions:
During actuation, the engine RPM and vehicle speed must be 0. If the engine RPM and vehicle speed are recorded or signal is lost, actuation is impossible.
Click “New Value”.
We can input new value here: 601
Click “Write”.
Do you want to write the new value into the ECU? YES.
Writing completed.
Finally, click “Read” to refresh the data.