IMPORTANT:If after you turn the ignition ON does not show that it is outputtting any data there are either NO fault codes OR the vehicle has not been put into diagnostics mode correctly. To test the connection generate a fault code by disconnecting the airflow meter or throttle position sensor, crank or run the engine and re-run the Test.
Note:Look at the connector in the vehicle and connect terminals and volt meter or LED tester,
(Click here for details) , as per either diagram (connection instructions described below)
1 Drive the vehicle until transmission reaches operating temperature.
2 Stop the vehicle, place in park, or neutral and turn ignition OFF.
3 Connect terminals with your own wire link as shown in the diagram.
4 Connect a LED tester or Voltmeter to points 'A' and 'B' as shown on diagram.
5 Turn ignition ON.
6 Read codes as described in the Code Format Description below.
7 Press the continue button to enter the code numbers and get the code description.
