The Diagnostic Box TDB014 OBD Port Tester

TDB014 is an OBD port tester that will indicate if information is being sent between the cars modules. The OBD Port Tester connects to a vehicle's OBDII / EOBD connector and lets you easily diagnose electrical faults, such as: Instantly check power and ground circuits Identify communication link protocols Constantly monitor Battery Voltage with display   LEDs Activity: RED LED's:(Pin 16) - automatically turn-on as soon as you plugg into DLC.RED LED's turn dim when: Low battery voltage - refer to Voltmeter and alarm will beep (below 12V) Wiring to DLC pin 16 is faulty Grounds circuits has resistance issues GREEN LED's:(Pins 4 and 5) - automatically turn-on as soon as you plugged into DLC. BLUE LED's:(Pins 2, 6, 7 and 10) - LEDs should flash when serial data voltage pulses are present in the data line. Blue LEDs is assigned on pins 2, 6, 7 and 10 to indicate communication with scan tool or interface and for communication protocol identification. LED will turn-on depending on your ve