For 1990-2009 cars

Begin the system diagnosis with the Diagnostic System Check - Vehicle.

• | The identification of the control module which commands the system.

• | The ability of the control module to communicate through the serial data circuit.

• | The identification of any stored diagnostic trouble codes (DTC's) and their status.

The use of Diagnostic System Check - Vehicle, will identify the correct procedure for diagnosing the system and where the procedure is located.