How To Test Camshaft Sensor With Multimeter

If your car computer has the engine lights activated, you can retrieve the code (DTC) using a code reader. If you don’t own a code reader, most auto parts stores will do it for free. Problem code pointing to the crankshaft – The camshaft position sensor may be damaged; doesn’t necessarily mean the sensor is bad. You may have a wiring, connector, or related problem that you can fix yourself. Read: how to check the camshaft sensor with a multimeterHowever, confirming the good or bad working of the Crankshaft – Camshaft Position Sensor may require a range. For example, a faulty sensor signal can be difficult to test without special equipment.

However, you can do some simple checks in your garage using a digital multimeter (DMM) tool.

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Read more: how to install a tow bar in the garage First, check the condition of the sensor electrical connector and the leads. Unplug and check for rust or contamination, such as oil, that interferes with good electrical contact. Then check for damage to the cord: broken wire, loose wire, signs of burns from nearby hot surfaces. If you notice any damage to the wires, it is imperative that you replace them immediately. To ensure that the wire lives longer next time, you may want to purchase a high-pressure power supply that can withstand a variety of environments.Also, make sure that the sensor wires do not touch the spark plug wire or the ignition coil. As a result, the sensor’s signal is jammed.After these tests, use a digital multimeter that can test either alternating current (AC) or direct current (DC) voltage. Depends on your particular camshaft – crankshaft position sensor type. You will also need the correct electrical values for your particular sensor type. You can find this information in your vehicle’s repair manual.Back Probe ThreaderWith some sensors, you can re-probe the wire through the sensor’s electrical connector. If that’s not possible, see if you can pull out the sensor connector. If so, attach a copper wire to each terminal on the connector. Then, re-plug the connector so that the two wires stick out through the connector housing. Another solution is to use a pin through each wire. However, be careful not to break the wire during your test. If you use this last method, use electrical tape to cover the pin holes in the wires. This prevents corrosion from entering the conductor.

How to test, two-wire sensor:

If you have a two-wire magnetic type sensor, set your multimeter to “Ac volts”.
Ask the assistant to turn on the ignition without starting the engine.
Check for the presence of power flowing through the circuit. Tap one of your probes to ground and the other to each one of the sensor wires. If none of the wires are carrying current, then there is a fault in the sensor circuit.
Ask your helper to turn or start the engine.
Touch one of your meter probes to one of the sensor wires and the other to the other. Check your watch’s display and compare your readings with your manual specs. In most cases you will see a signal that fluctuates between 0.3 volts and 1 volt.
If there is no signal, you have a bad sensor.

How to test, three-wire sensor:

First, determine the power, ground, and signal wires using your vehicle’s repair manual. Next, test the sensor circuit by setting your multimeter to “DC Volts”.
Have your helper turn on the ignition, but does not start the engine.
Tap the black probe on your meter to ground and the other probe to the power cord. Compare your readings with the specifications in your manual.
Ask your helper to turn or start the engine.
Touch the signal wire with the red probe from your meter and the ground wire with the black probe. Compare your reading with the specifications in your vehicle’s repair manual. If the signal voltage is lower than the specification, the sensor is most likely damaged. If no signal is coming out of the sensor, the sensor is most likely damaged.
Remove the sensor and check for signs of physical damage or contamination.

Inference

As a result, worn belts can prevent the Crankshaft – Camshaft Position Sensor from synchronizing, causing the sensor to send the wrong signal.Thank !Read more: how to keep nipples hard

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