Actron 9640A manual Vehicle Info, M Readiness O2 Monitor Test DTC Codes

GM Enhanced (OBD II) Diagnostics

Record Data

Refer to“RecordData” on page 4-8 ofGlobalOBDIIDiagnostics. GM groups the PIDs into four categories:

❒Analog: viewing of analog sensor signals, such as measured voltage from O2 sensors, temperature sensors, and air flow sensors.

❒O2: viewing oxygen sensor information.

❒Misfire: viewing of cylinder misfire information.

❒Digital: viewing of switches, solenoids and relays.

✓Some GM trucks manufactured in 1996 – 1998 have only one PID group. For these vehicles, the selection menu does not appear.

Vehicle Info

Refer to “Vehicle Info” on page 4-9 of Global OBD II Diagnostics.

Review Data

Refer to “Review Data” on page 4-10 of Global OBD IIDiagnostics. The fol- lowing stored information can be reviewed for GM vehicles.

1) I/M Readiness		5)	O2 Monitor Test
2)	DTC (Codes)	6)	Non-Continuous
3)	Pending Codes	7)	Playback
4)	Freeze Frame	8)	Vehicle Info

Print Data	5
Refer to “Print Data” on page 4-12 of Global OBD II Diagnostics.

Code Lookup

Refer to “Code Lookup” on page 4-14 of Global OBD II Diagnostics.

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