October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Scan Tool Testing and Procedures
A Tech 1 scan tool mph display should closely match the speedometer reading with drive wheels turning. A fault in the
Vehicle Speed Sensor circuit should set a DTC 24 Vehicle Speed Sensor (VSS) Circuit.
Powertrain Controls - ECM/PCM