![]() ![]() The reading on the screen of the Digital Multimeter must be 5 volts (some vehicles use 12 volts).Ask someone to start the engine for you, so you can note the reading on the Digital Multimeter.Now, you will have to back probe the harness connector’s power/reference wire to the red lead of the Digital Multimeter and connect the black lead of the Digital Multimeter to the negative terminal of the battery.Set the Digital Multimeter to the DC voltage settings.Shift the gear or the transmission of the vehicle to parking or neutral in case of a manual vehicle.Here is how to test three-wire cam sensors with a multimeter. This signal represents the highest and the lowest possible points of voltage. ![]() How to Test 3 Wire Cam Sensor With Multimeter How to Test 3 Wire Cam Sensor With MultimeterĪ three-wire cam sensor is of a Hall Effect type Camshaft Position Sensor, which produces a squared and digital signal. You will hear a beep sound which indicates that the sensor’s ground is working.Back probe the harness connector’s ground wire to the red lead of the multimeter and the black lead of the Digital Multimeter to the battery negative terminal.Now, to check the ground of the cam sensor, turn the Digital Multimeter to connectivity Mode.You can consult the repair manual of the vehicle to get the exact voltage of your vehicle. Different vehicles give off different voltages, depending on the model of your vehicle. The signal received by the Digital Multimeter is close to 1.5 volts. Crank the engine and check the voltage that the harness connector gives off.Connect the red cable of the Digital Multimeter to the back of the signal wire at the connector and the black lead of the Digital Multimeter to the battery negative terminal to check the voltage (signal) of the two-wire camshaft position sensor.Turn the setting of the Digital Multimeter to DC volts.Now, identify the ground and signal wires.Once you have done that, you should put the vehicle on emergency brakes.First of all, shift the gear or the transmission of the vehicle to parking or neutral in case of a manual vehicle.Here is how to test An Inductive Camshaft Position Sensor: To test the two-wire or Inductive Type Camshaft Position Sensor, we need to run some tests with the help of a Digital Multimeter. How to Test 2 Wire Cam Sensor With Multimeter How to Test 2 Wire Cam Sensor With Multimeter ![]()
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