Tests idle, instrument, and headlight range stepper motors.
Generates adjustable frequency (1Hz–100kHz), amplitude (1.3V–12V), and duty cycle (1%–100%) square waves to simulate air conditioning pressure or air flow sensors. qdb-2a manual pdf
The is a high-performance diagnostic tool designed for professional technicians to troubleshoot ignition coils, fuel injectors, solenoid valves, and stepper motors. It serves as a specialized signal generator and driver, allowing you to test these critical components independently of the vehicle's Engine Control Unit (ECU). Key Functions & Specifications Tests idle, instrument, and headlight range stepper motors