When the fault of automobile wiring harness can be detected.

Automobile wiring harness is the main body of automobile circuit network. There will be no automobile circuit without automobile wiring harness. Wiring harnesses are copper contact terminals (connectors) that are pressed onto wires and cables by binding external plastic insulators or attaching them

A component, such as a metal housing, that connects to a power circuit.

When the fault of automobile wiring harness can be detected:

A, automobile wire harness special tool test method

The test lamp detection method is suitable for inspecting the general fault state of open circuit of transmission line. When using the temporary test lamp method, the output power of the test lamp does not need to be too large. When checking whether the operating output terminals of the electronic instrument panel have output or whether there is sufficient output, special care should be taken to avoid overload and damage of the instrument panel. It is best to use a diode test light.

Second, automobile wire harness visualization test method

When a common fault occurs in a part of an automotive electrical system, abnormal conditions such as smoke, flame, sound, burning smell, and high temperature will occur. Through the body sensory organs listening, touch, smell, car wiring harness and home appliances intuitive inspection, distinguish the location of common faults, greatly speeding up the speed of maintenance, for example, the car route common faults, often occur smoke, flame, sound, plastic coke odor, high temperature and other abnormalities. You can quickly identify the fault location and common fault characteristics by visually checking the fault.

Automobile wire harness instrument equipment test method

By means of integrated fault detector, digital multimeter, oscilloscope, current clamp and other instruments, the fault of automobile circuit can be confirmed. For electric control system cars, the general use of comprehensive fault diagnosis instrument to search the fault code, determine

Then, use a digital multimeter, current clamp or device to check the working voltage, resistance, current or waveform of the relevant power supply circuit to determine the fault of the car wire harness transmission line

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