The application will communicate with the vehicle computers at the 16 Pin OBD2 Diagnostic Connector. Most of the OBD2 Connector location should be under the Steering Wheel Compartment. Elm 327 or STN Bluetooth device is required to make this application work. Car Diagnostic Pro not only can be exciting with Dashboards, it is a Professional Scan Tool. ✮ Ford (1996-2013) - Check/Clear Faults, Self Test, KOEO, KOER, and Enhanced Data 2200 PIDS (ISO, PWM, CAN) ✮ Mode 9 - Vin, ECU Name, Performance Tracking Data, CALID & etc Do you have a check engine light on? Do you want to know the Readiness Status will pass for a Smog Inspection? Do you want to check the functionality of the sensors and determine the status of the Mode 5/6 Emission On-board Test? Car Diagnostic Pro will show you. ✮ Toyota (2000-2006) - Enhanced Data 150 PIDS (ISO - Powertrain) + Read/Clear Faults (KWP2000 Airbag) ✮ GM (1996-2007) - Check/Clear Faults, Active Test and Enhanced Data 189 PIDS (VPW Powertrain) ✮ Nissan (2001-2007) - Check/Clear Faults, Self Test, Ignition Timing Adjustment, Idle Rpm Adjustment, Active Test and Enhanced Data 634 PIDS (KWP2000 - ECM, TCM, ABS, BCM)