T400 Three-in-One OBD2 Scanner

The T400 is a professional three-in-one scanner combining automobile diagnostics, battery testing, and component detection. Features a 3.5-inch large color screen, 20 key functions, and is compatible with 97% of OBD II compliant vehicles and motorcycles.

Key Functions (20 Total)

• Replay Function- Replay recorded diagnostic sessions
• Read Fault Code- Read stored, pending, and permanent DTCs
• Clear Fault Code- Erase trouble codes and reset engine fault light
• Read Vehicle Information- VIN, Calibration ID, ECU name
• Read Data Stream- View real-time vehicle data streams
• Battery Diagnosis- Comprehensive battery health testing
• Freeze Frame- Capture sensor data at fault detection moment
• I/M Ready- Check emission system readiness status
• Oxygen Sensor- O2 sensor performance testing
• Mode 6- In-vehicle monitoring test for specific components
• Mode 8- Control of on-board system, test, or component
• Cloud Printing- Share diagnostic reports via QR code to phone
• DTC Lookup- Built-in fault code definitions database
• Vehicle Year Identification- Automatically identifies vehicle production year
• Startup Test- Detect battery starting performance
• Charging Test- Diagnose power generation system malfunctions
• Injector Test- Simulate fuel injector driving signal, detect faults
• Relay Test- One-key test relay operation status
• Signal Output- Generate test signals for component testing
• Vol Waveform Monitoring- Monitor voltage waveforms in real time

3.5-Inch Large Screen

Colourful high-definition large screen, bringing delicate picture quality, allowing you to easily read numbers.

Battery Diagnosis Suite

Support multiple detection modes: standard test, startup test, charging test, load test, etc., comprehensively eliminate various battery fault hidden dangers, and ensure travel.

• Quick Test:SOH percentage, Voltage, CCA, Impedance, Charge level
• Standard Test:Full battery health assessment
• Startup Test:CUR/MIN/MAX voltage with exception detection
• Charging Test:Load voltage, No-load voltage, Voltage fluctuation
• Voltage Waveform Monitoring:Real-time voltage waveform display
• Load Test:Battery voltage and minimum voltage under load

Applicable battery types: Normal batteries, AGM flat batteries, AGM spiral batteries, GEL, EFB, etc.

Component Testing

Injector Test:The device can simulate the fuel injector driving signal, quickly detect the fuel injector fault, and signal detection. Supports 4 modes (MODE1-4) with injector signal waveform display (INJ_ON, INJ_V, INJ_K, ECM-GND).

Relay Detection:One-key test relay operation status, accurately lock fault. Shows relay circuit diagram and connection status in real time.

Intelligent Matching

Automatic scanning of connections, no need to manually select brand and model. Compatible with 97% of OBD II compliant vehicles and motorcycles. Supports 9 protocols:

1. ISO9141-2 (5 baud init, 10.4 Kbaud)
2. SAE J1850 PWM (41.6 Kbaud)
3. SAE J1850 VPW (10.4 Kbaud)
4. ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
5. ISO14230-4 KWP (fast init, 10.4 Kbaud)
6. ISO15765-4 CAN (11 bit ID, 500 Kbaud)
7. ISO15765-4 CAN (29 bit ID, 500 Kbaud)
8. ISO15765-4 CAN (11 bit ID, 250 Kbaud)
9. ISO15765-4 CAN (29 bit ID, 250 Kbaud)

Package Contents

T400 Scanner, User Manual, USB Cable, Relay Test Adapter, Battery Clamp Cables, OBD II Extension Cable, Box.