Control module power circuit low voltage. Low voltage issues are troublesome so let me explain you guys the best answer to this. Insert the test leads into the COM and V terminals. Always insert the black test leads into the terminal marked “COM”. Which means “Common”. Always connect the red test lead to the terminal marked “V” for “Voltage” because that is what you are testing. In this configuration, AC and DC voltages are measured with the test leads.
Move the dial to the AC or DC voltage setting position. If you are measuring AC voltage, turn the dial to V~ or V with a check next to it. Turn the dial to V⎓ or V with a horizontal line next to it to measure DC voltage. Alternating current or AC voltage is used to measure things you can find around the house. Such as electrical outlets, microwave ovens, and other appliances. Direct or constant voltage is mainly used to measure batteries. DC voltage is also used in automobiles and many small electronic devices.
Control module power circuit low voltage – Set the voltage range to a higher voltage than expected
If you set the voltage range too low. You will not get an accurate reading. Look at the numbers on the dial and select the setting closest to the expected voltage to be measured while staying above that voltage. For example. If you are measuring a 12V battery and the multimeter has settings for 2V and 20V, set the dial to 20V. If you don’t know the voltage reading. Simply set the multimeter to its highest voltage rating.
Touch the probe to both sides of the load or power supply. For example, place the tip of the black test lead on the negative battery cable or plug it into the right side of a wall outlet. For example. Put the red probe on the positive pole of a battery or on the positive pole of a wall outlet. If you’re not sure which end is positive and which is negative, try putting a probe on each end and see what your multimeter reads.
Because If it shows a negative number. Its positive and negative are swapped. To avoid electric shock, keep your fingers away from the tip of the probe when placing the probe near a wall outlet. Do not touch the probes with each other, as this may cause a short circuit and fire. Always hold the transducer by the colored handles. Which are insulated to prevent vibration.
Read the voltage on the multimeter screen
Once your probes are connected to the positive and negative leads. You’ll get a multimeter reading that tells you what voltage you’re testing. Because Look at the digital display to find the reading and write it down if necessary. By looking at your readings, you can tell if the voltage being measured is the average voltage. For example, if you are measuring a wall outlet and the multimeter reads 100V. Which is below the 120V average, that means the wall outlet has low voltage. If you are checking the voltage of a new 12V battery, the reading should be around 12V. It is low or cannot be read at all, the battery is low or empty.
Control module power circuit low voltage – Test current
Connect the test leads to COM and A or mA and turn the dial to Amps. Because Insert the black plug into the COM jack. Connect the red amp or mA plug labeled A or mA depending on the current you are measuring. Find the amp setting and turn the multimeter dial to it.Your multimeter may have two amp terminals: one to measure currents up to 10 amps (10 A) and one to measure currents up to approximately 300 mA (300 mA).
If you are not sure of the current range you want to measure. Insert the red plug into the current terminal. If needed, you can always switch to mA for a more accurate reading. Some multimeters have two A’s one for AC (used for household power, indicated by the check mark symbol) and one for DC (used for batteries and cables, indicated by a dotted line below the horizontal line). Because DC is most commonly used for this reading.
Control module power circuit low voltage – Break the circuit by disconnecting one of the wires
This allows you to use the multimeter as an ammeter to close circuits and measure current. Disconnect or remove the wire from the terminal connected to one side of the circuit. Leaving the other wire connected to its terminal. Because It doesn’t matter which side of the circuit is off. The point is to leave room for the multimeter to plug into the circuit so it can act like an ammeter and tell you how much current is flowing through the circuit. Because Insert into meter means you connect the meter to power directly through the leads.