Automotive Circuit Tester Topdiag P200 Pro 9-30V Oscilloscope Multimeter Relay Fuel Injector Test 0-5V Power Supply Component Activation 20ft Cable Smart Voltage Resistance Diagnostic Tool

Automotive Circuit Tester – Topdiag P200 Pro, 9-30V Oscilloscope & Multimeter

The Topdiag P200 is the ultimate professional-grade automotive circuit probe kit. Combining 13 advanced functions in one compact tool, it intelligently identifies signals, activates components, and diagnoses electrical faults across all 9V–30V vehicle systems – faster and smarter than any standard circuit tester.

Key Features

• 13 Advanced Functions: voltage/resistance ID, multimeter, relay test, injector test, diode test, oscilloscope, 0–5V adjustable power supply, component activation, polarity test, circuit breaker protection, screen themes, online upgrades, multi-language support
• Smart auto-identification – automatically detects signal type for fast, accurate testing
• Oscilloscope function – view waveform diagrams for advanced diagnostics
• Fuel injector testing – diagnose injector and ECU wiring issues
• 3 component activation modes – power lamps, fans, starters, relays, and washers
• 0–5V adjustable power supply – ideal for ECU wiring checks
• ~20ft extension cord – reach all areas of cars, trucks, and trailers
• Built-in flashlight – illuminate dark working areas
• Multi-language support: English, Spanish, German, Polish, Chinese, and more
• Online firmware upgrades for future-proof functionality

Product Specifications

Perfect For

• Professional automotive electricians and mechanics
• DIY car repair and diagnostics
• Truck, trailer, and fleet maintenance
• ECU and fuel injector diagnostics
• Advanced electrical fault finding