1 Warm the vehicle to operating temperature if possible.
2 Stop vehicle, place in park or neutral and turn ignition OFF.
3 Connect the Selector Cable to terminal '1'.
4 Turn the ignition ON.
5 Press the Test Button for 2 seconds.
6 Read codes from LED as described in the Code Format Description below.
7 Press the continue button to enter the code numbers and get the code description(s).
NOTE:Only one code is outputted at a time. Press the Test Button again to get the next code.