ACDP - BMW CAS3 CAS4 Tester

This BMW CAS Test adapter is not included with ACDP. It is accessory for testing CAS 

CAS adapter functions:
1. Whether the CAS program is running normally. 
2. Whether the CAS data is valid. 
3. Whether the key is outputting inductive signal. 
4. Whether the key is legal. 

YH CAS Tester indicator light meaning:
1. The indicator D2 flashes to indicate that the tester CAN Bus communicates with the CAS module normally. 
2. The indicator light D4 is on for a long time, indicating that the CAS module data is valid. 
3. Put the key into the induction coil, and the D3 indicator flashes, indicating that the key is outputting LF signal. 
4. If the tester beeps, indicating that this key is the valid key of the corresponding CAS module, or the newly programmed key is learned successfully.