How to Test a Camshaft Position Sensor?

1 Answers
Donald
07/29/25 10:00pm
To test a camshaft position sensor, follow these steps: 1. Use a multimeter to check the resistance between terminal 1 of the sensor and terminal 62 of the ECU, terminal 2 of the sensor and terminal 76 of the ECU, and terminal 3 of the sensor and terminal 67 of the ECU. 2. While the engine is running, use an oscilloscope to measure the signal waveform between the signal output terminal and the ground terminal of the magnetic camshaft position sensor. 3. Turn off the ignition switch, unplug the sensor's wiring connector, and connect the positive and negative probes of the multimeter to terminals 1 and 3, respectively. Then, turn on the ignition switch to perform the test.
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