Scan Tool Diagnostics

Scan Tool (Tech 2) reads and clears current and history codes. Ensure scan tool contains correct software cartridge for SIR diagnostics. To use scan tool, connect it to DLC connector, plug in the power source and turn ignition switch to RUN position. Follow scan tool manufacturer instructions for communication with SIR system. Scan tester reads serial data from SDM data link output terminal No. 4 to DLC connector terminal No. 1.