The JDiag P100 is a premier intelligent electrical system tester designed for both 12V and 24V vehicles. Featuring a high-definition TFT color display, this tool is engineered to significantly reduce diagnostic time by providing instant feedback on automotive circuits. With its massive 10-meter extension cable, it is the ideal solution for testing the full length of cars, vans, trailers, and heavy-duty trucks without constantly relocating your power source.

Comprehensive Brand & Vehicle Coverage

The JDiag P100 is a Universal Diagnostic Tool designed for all electrical systems operating between 9V and 30V. It is fully compatible with:

• Passenger Cars: All major brands including Audi, BMW, Ford, Honda, and Toyota.

• Heavy Duty & Commercial: 24V Trucks, Buses, and Construction or Agricultural machinery.

• Recreational & Marine: Motorcycles, ATVs, and Boats.

• Specialized Equipment: Trailers and Excavators.

Task Performance Form

The P100 is more than a simple test light; it is a multi-functional analyzer that performs the following professional tasks:

How to Use (Short Form)

1. Connection: Connect the Red clamp to the battery positive (+) and the Black clamp to the negative (-). The tool will beep and the head lights will turn on.

2. Mode Selection: Use the Mode Button to cycle through DC Voltage, AC Voltage, Resistance, or Oscilloscope modes.

3. Polarity Check: Touch the probe tip to a wire. The Red LED indicates a positive circuit, while the Green LED indicates a ground or negative circuit.

4. Activating Components: To test a motor or light, touch the tip to the component and rock the Power Switch forward to apply battery power or backward for ground.

5. Circuit Protection: If a short circuit occurs during activation, the internal Circuit Breaker will trip to protect the vehicle and the tool.