• Connects between Diagnostic Link Connector (DLC) and scan tool.
• Detects data and protocol communication
• Monitors system voltage - Display and high/low alarm
• Connect leads for increased diagnosis, analysis, and monitoring

Useful Functions: 

• Verify ECU activity 
• LEDs at pin-out display signal detection, Flashing LEDs for ECU activity
• Monitoring of OBDII data lines
• Probe lines with scope or multimeter for detailed signal information
• Check & monitor battery voltage
• Continuous numeric display or voltage 
• Alarm warning when voltage drops below 11.6v or rises above 15.2v