Data bus: engine control module (ECM) A – no communication
Control module – data bus Off
Vehicle area network (VAN) data bus E (-)- shorted to data bus E (+)
Vehicle area network (VAN) data bus E (-)- voltage high
Vehicle area network (VAN) data bus E (-)- voltage low
Vehicle area network (VAN) data bus E (-)- open circuit
Vehicle area network (VAN) data bus E (+)- voltage high
Vehicle area network (VAN) data bus E (+)- voltage low
Vehicle area network (VAN) data bus E (+)- open circuit
Vehicle area network (VAN) data bus E – performance problem
