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GM Enhanced (OBD II) Diagnostics
5
❒Review Data
❒Print Data
•I/M Readiness
•DTC (Codes)
•Pending Codes
•Freeze Frame
•O2 Monitor Test
•Diagnostic Monitor Tests
•Vehicle Info
•Playback
•State OBD Check
•Modules Present
✓The following stored infromation can be reviewed for GM vehi-
cles. Refer to Review Data and Print Data in the Using the Scan
Tool section of this manual.
–Code Lookup
–Tool Setup menu
– English/Metric
– Contrast Adjust
– Beeper
– Setup User Key
This system applies to GM vehicles manufactured from
1996 to present. Some GM vehicles in 1994 and 1995 were
equipped with this system. Refer to Appendix B - Data
Link Connectors.
IMPORTANT