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Automotive glossary

LIN Bus

LIN is a simple, low-cost single-wire network for less critical functions such as mirrors, seats and sensors.

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What is LIN Bus?

It is slower than CAN. A master unit controls several slave devices. It often links to CAN through a control module. LIN is often used for intelligent alternators, battery sensors, wiper motors, rain sensors and climate control actuators. Its single wire makes it cheap and light, and its speed is enough for simple functions.

How it works

The master asks each slave in turn and the slave replies.

Why it matters for your car

A shorted LIN device can stop others on the same line. Faults appear as communication codes.

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