Vehicle Preparation & Equipment Hookup
Apply parking brake, and place shift lever in Park position. Block drive wheels. Turn off all electrical accessories. Ensure engine is at normal operating temperature. 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 off. Ensure proper memory (EPROM) card is inserted into NGS scan tool. Connect service connectors of adapter cable to vehicle Data Link Connector (DLC) and NGS scan tool. See Fig 1. Connect NGS scan tool power supply cable to power and turn ignition on or start engine. Follow instructions on scan tool display or scan tool instruction manual to retrieve DTCs. If a communication error exists between PCM and scan tool, go to COMMUNICATION ERROR .
If all safety steps have been performed, electrical accessories turned off, and equipment is hooked up properly, go to DIAGNOSTIC TEST MODE .