Checking power supply for ESP control module - AF42.45-P-2000-01A

Model 170 

1. Check power supply on PIN 45 (2.5 mm 2 black (sw)) and PIN 47 (4.0 mm 2 black (sw)) for ESP control module.
2. Check fuse F31f3 (fuse 3 of fuse box battery) for tight seat and continuity.
3. Check Z4/3 (connector sleeve circuit 30)