Vehicle Preparation & Equipment Hookup
Apply parking brake, and place shift lever in Park (A/T) or Neutral (M/T) position. Block drive wheels. Turn off all electrical accessories. Ensure engine is at normal operating temperature. If vehicle is equipped with an auxiliary powertrain control system (RPM control), it must be turned off when performing any self-test procedure. Connect appropriate test equipment to vehicle as follows:
- Generic Scan Tool
Ensure scan tool meets or exceeds OBD-II standard. Follow scan tool manufacturer's operating instructions to hook up equipment and record DTCs. - New Generation STAR Scan Tool
Turn ignition switch to OFF position. Ensure proper memory (EPROM) card is inserted into NGS scan tool. Connect service connectors of adapter cable to vehicle Data Link Connector (DLC) and the NGS scan tool. See Fig 1. Connect NGS scan tool power supply cable to power and go to KOEO ON-DEMAND SELF-TEST.