All values measured to ground unless otherwise noted
Conn./Plug/Pin Pin Information Test Value Comments
X30/7      
2.1 CAN Class B bus (high side). Mid speed data transfer bus input and output, exchanges data with other ECMs No reliable test. Check continuity of wiring. Approx. 5 VAC when data is on bus Note 1
2.2 CAN Class B bus (low side). Mid speed data transfer bus input and output Disconnect CAN plugs from all connectors, measure across all pins 2
> 20 kOhms
measure across all other pins 1
approx. 0 Ohms
See pin 2.1
Note 1 N73 is gateway for data exchange between CAN Class B and Class C bus. Refer to
PE00.19-U-2200E for CAN Class C bus