What is the inspection method for the crankshaft position sensor?

1 Answers
StCecilia
07/29/25 11:29pm
The inspection method for the crankshaft position sensor is: unplug its wiring connector and use a multimeter to measure the resistance between each terminal on the sensor. The functions of the crankshaft position sensor are: 1. To control the engine ignition timing and confirm the signal source of the crankshaft position; 2. To detect the top dead center signal of the piston and the crankshaft angle signal; 3. To measure the signal source of the engine speed. The crankshaft position sensor is installed at the front end of the crankshaft, the front end of the camshaft, inside the distributor, or on the flywheel, and its structural forms include magnetic induction type, photoelectric type, and Hall type. The effects of a faulty crankshaft position sensor include: 1. The engine control unit cannot receive the reference signal; 2. The ignition coil cannot generate high voltage; 3. The vehicle cannot start.
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