NOTE -To read codes from the Ignition system, bridge the Black jumper wire to diagnostic socket number 6 and the selector cable. For Turbo vehicles, bridge Black jumper wire to diagnostic socket 5 and the selector cable.
1 Drive vehicle until it reaches operating temperature.
2 Stop the vehicle, place it in park or neutral and turn ignition OFF.
3 Bridge the Black jumper wire to socket 2 of the test connector and the selector cable.
4 Depress the test button for 1 second.
NOTE -Error codes can only be retrieved one at a time. To get the next code depress test button again
5 Read codes as described in the Code Format Description below.
6 Press the continue button to enter the code numbers and get the code description(s).