Scan Tool Diagnostics
WARNING: This page is about a different car, the 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, 2002 Saturn SC2, and 2002 Saturn SC1. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool (Tech 2) reads and clears current and history DTC's. Ensure scan tool contains correct software cartridge for SIR diagnostics. To use scan tool, connect it to Data Link Connector (DLC) connector, plug in scan tool power source and turn ignition on. Follow the scan tool manufacturer instructions for communication with SIR system.