LED INFORMATION
RED LED’s
(Pin 16) - automatically turns-on as soon as you plugged into the OBD Port.
RED LEDs dim when:
•
Low battery voltage.(below 12V)
•
Wiring to DLC pin 16 is faulty
•
Grounds circuits have high resistance issues
GREEN LED’s
(Pins 4 and 5) - automatically turn-on as soon as you plugged into DLC.
Ground LED’s (Pin 4 and 5) is connected to battery voltage through pin 16. Therefore, a
ground supply on pin 4 will not affect LED 5. A dim single green LED will indicate a circuit
problem with the corresponding circuit.
BLUE LEDs
(Pins 2, 6, 7 and 10) - LEDs should flash when serial data voltage pulses are present in
the data line.
YELLOW LEDs
(Pins 1, 3, 8, 9, 11, 12, and 13) - these should flash when your vehicle uses either one on
the pins for any function. These depend on the make, model and year. Please see list of
pins used on page 6.
GENERAL OPERATION
TDB014
!
PAGE 4
VERSION 1.0
!
01/02/2018
