Use Launch X431 PAD V Elite to test Left Turn Light on a 2020 JAC Refine M4, works like a charm!
It requires the X431 HD Software Authorization and Adapters Pack.
Simple guide:
Select “Local Diagnosis”
Select “JAC (Diesel)”
Confirm the JAC diagnostic software and click “OK”
Click “Smart Detection” to scan all systems
Select “BCM2” and “ENTER”
Select Active Test-> Left Turn Light
Click on “ON”, then the value will be “ON”
The left turn light signal will appear on the dashboard at the same time.
