leagend T31 offers dual system inspection, allowing users to check both engine and transmission systems. It provides quick engine failure detection with LED indicators (green/yellow/red) to show the engine's status.
leagend T31 reads and clears engine trouble codes, offering definitions for DTC fault codes and it supports dynamic data flow display, showing 249 ECU operating parameters in real-time.
Users can view freeze-frame data, I/M status, and turn off the check engine indicator (MIL). Additionally, leagend T31 reads vehicle information, including VIN, Calibration IDs, and CVNs, ensuring comprehensive vehicle diagnostics.
DUAL SYSTEM INSPECTION
Dual system inspection, optional engine system and transmission system inspection;

Quick engine failure detection
●Quick engine failure detection, through the green/yellow/red LED indicator to remind the engine status;
●Provide the definition of DTC fault codes;
Dynamic display
● Dynamic display of data flow information, supporting 249 ECU operating parameters (live data);
● View freeze frame data and I/M status information;
Read or clear engine trouble codes
● Turn off the check engine indicator (MIL), clear the code, and reset the detector;
● Read vehicle information (vehicle identification number VIN, Calibration Identification number IDs, Calibration Verification number CVNs);