How to read and write injector codes on a 2020 JAC Refine M4 using Launch X431 PAD V Elite?
Requirements:
Launch X431 PAD V with SmartLink C 2.0
Launch X431 HD Software Authorization and Adapters Pack (ensure compatibility with JAC vehicles)
Steps:
Connect X431 PAD V tablet and the JAC vehicle correctly
Power on the device and ensure it has the latest software updates.
Select “Local Diagnosis” on the main menu
Choose “JAC” as the manufacturer
Select the JAC HD software (e.g.V11.85)
Select Engine System-> Jac Engine-> Bosch Self-Recognition System-> JAC P2031 MD1CS089
Confirm the vehicle info.
Select Settings-> Read/Write Injector Codes
Reading injector codes…
Select the related injector (e.g. injector #1)
Click “Write”
Follow the prompt to input a 7-digit cylinder 1 injector code (consisting of letters or numbers, but J, Q, 0, and 9 are not allowed, letters are not case sensitive)
Set parameter successfully
That’s the whole procedure to read and write injector code by Launch X431 PAD V Elite diagnostic tool.