Jatco gearbox control

Base vehicles


Fig. 2.15 The single wire diagnostic bus

The point to note is that each bit is transmitted for one bit time without any change.

In CAN, two wires are used for data transmission. One wire is known as CAN-high (CAN-H) and the other as CAN-low (CAN-L). A CAN bit sequence is shown in Fig. 2.17.

Bit sequence (Data)

NRZ logic levels 0

Clock pulses

1.Bit time

Fig. 2.16 NRZ transmission of a binary bit sequence

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Do It Yourself Car Diagnosis

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