Counterounter Point - Wells Vehicle Electronics

But they are also used in many distributorlessignition systems (DIS) to determine theposition of the crankshaft and camshaft. This is because the engine computer needs to know where the number one cylinder is assoon as the engine is cranked. As soon as the all-important sync-pulse is detected, the ignition module can start firing the plugs in the correct sequence. This alsoallows injector timing to be matched to the firing order in engines with sequentialfuel Effect Sensors are sometimes referred toas switches rather than sensors because ofthe on-off digital voltage signal theyproduce. Unlike magnetic sensors thatproduce an alternating current (AC) signalwhich varies in voltage with speed, HallEffect Sensors produce a constant voltagesignal that can change abruptly frommaximum voltage to nearly zero andback again regardless of engine produces a square wave outputsignal that can be easily used by theonboard computer for timing WORKINGSA typical Hall Effect Sensor has three wires orterminals: one for ground, one for supply orreference voltage and one for the outputsignal.

But they are also used in many distributorless ignition systems (DIS) to determine the position of the crankshaft and camshaft. This is because the engine computer needs

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  Position, Crankshaft, Camshafts

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