Actron 9640A Scanner User Manual


 
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GM Enhanced (OBD II) Diagnostics
5
Record Data
Refer to
“Record Data
” on page 4-8 of
Global OBD II Diagnostics.
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 II Diagnostics
. The fol-
lowing stored information can be reviewed for GM vehicles.
Print Data
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.
1) I/M Readiness
2) DTC (Codes)
3) Pending Codes
4) Freeze Frame
5) O2 Monitor Test
6) Non-Continuous
7) Playback
8) Vehicle Info