8 pin 1-173850-1 368540-1 Auto Plastic Housing Plug Wiring Harness Connector Plug 1.8 Series

9.1 Common car circuit detection equipment
(1) The dedicated multimeter for universal watch cars is mainly used to detect parameters such as DC current intensity, DC voltage, AC voltage and wire resistance. It can also be used to detect speed, closing angle, duty -occupying ratio (frequency width), frequency, pressure, time, time , Capacitor, inductance, semiconductor element and temperature.
(2) When using the current in the multimeter meter to measure the current, the multimeter must be disconnected and the multimeter is connected in the line, and a small current can only be measured. The tong -shaped current meter can directly measure the large current in the circuit when the circuit is continuously opened, such as the start -up current of the motivation. Its main components are heart -type current transformers. During the measurement, the magnetic air cover of the fold -shaped current is on the measured line, forming a coil with a number of turns of 1 turning. After connecting the circuit, the secondary coil generates induction current through the electromagnetic induction, and the current meter pointer connected to the secondary coil will be biased, indicating the value of the current in the line .
Pie-shaped current meter
(3) The test light test light is used to check whether the system's power supply circuit provides a power supply to the electrical component. The following two are the following two.
① 12V test light.
② Comes with a power supply test light. Comes with a power test light in the handle with two dry batteries with a voltage of 1.5V, which is used to check the disconnection and short-circuit failure of the electrical line .
Comes with a power test light
a. Disglement inspection. First disconnect the power supply circuit connected to the electrical component, set the iron at one end of the test light, and the connection of the circuit connecting the circuit on the other end (starting from the end of the circuit). If the lights are not bright, the disconnection is between the measured point and the iron; if the light is on, the disconnection is between the measured point and the previous measurement point at this time.
b. Short -circuit check. First disconnect the power cord and iron wire of the electrical component circuit. The test light is connected to one end and the other end is connected to the remaining electrical component circuit. Then gradually remove the interpretor in the circuit, connect the switch, remove the components, etc. Until the lights are destroyed, the short circuit appears between the final road component and the previous road component.
c. Do not use the test light to check the engine ECU, unless there are special explanations in the maintenance manual.
(4) In automotive maintenance work, oscilloscope oscilloscope is useful in automotive maintenance. The functions of the oscilloscope mainly include the oscilloscope, triggering and collecting signals (waveforms), zooming and positioning waveforms, measuring waveforms, etc.
Automotive failure diagnostic instrument
When using the oscilloscope, you may need to contact other parts of the system. In order to avoid potential danger, special attention should be paid to static discharge (ESD) that may damage the oscilloscope and its accessories. To prevent static discharge, when installing or disassembling sensitive components, wearing an anti -static wristband should be worn to release its own static voltage. When installing or disassembling sensitive components, do not use any device that may generate or have a static charge in the working area. In areas that are easy to produce static and charged on the table or base surface to avoid operating sensitive components. At the same time, do not slide sensitive elements on the surface, and do not touch the exposed pins of the insert to the interpreter to minimize the operating area of sensitive elements as much as possible. Sensitive elements should be installed in the anti -static bag or container before storage and transportation.
(5)Car failure diagnostic device is used to detect car failure self -inspectors. Users can use it to quickly read the fault in the automotive electrical control system and display the fault information through the LCD display to quickly find out that the occurrence occurs. The parts and causes of the fault .

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