All values measured to ground unless otherwise noted | |||
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 |