View freeze data, Dtc definition(s), Fault data – Actron Professional Enhanced Scan Tool 9640A User Manual
Page 58: O2 monitor test, Non-continuous tests, On-board systems
GM Enhanced (OBD II) Diagnostics
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5
If one or more control modules stops
responding, the tool will display a mes-
sage that it is not responding. If you
choose to continue, dashes will replace
the module ID.
Press
FUNC
to return to the GM Function List.
View Freeze Data
When an emission-related fault occurs, certain vehicle conditions are recorded
by the on-board computer. This information is referred to as a Freeze Frame
data. The information is a “snapshot” of the operating conditions at the time of
a fault. This data can be overwritten by faults with a higher priority.
✓
If codes were erased, then freeze frame data may not be stored in vehicle
memory.
Select
View Freeze Data
from the and
press
ENTER
. A vehicle can store more
than one Freeze Frames or Failure
records. Use the
UP/DOWN
arrow keys
to select a DTC.
DTC Definition(s)
Pressing the
RIGHT
arrow key displays
the DTC definition. Use the
UP/DOWN
arrow keys to view each DTC definition.
Pressing the
BACK
or
LEFT
arrow key
exits to the Freeze Data for: screen.
The cursor is positioned in front of the
last DTC definition viewed before exiting.
Fault Data
Select the Freeze Frame/Failure
Record and press the
ENTER
key to
display the PIDs recorded at the time of
the fault.
Use the
UP/DOWN
arrow keys to move
through the list. The
LEFT/RIGHT
arrow keys page up/down through the
list.
When done, press the
FUNC
key to return to the GM Function List.
O2 Monitor Test
Non-Continuous Tests
On-Board Systems
Module $1F is not
Responding. Continue
Without it?
Yes
Freeze Data for:
` P0107(Frz Frame)
P0405(Failure Rec) [
P1604(Failure Rec) ~
P0107 Mod$10 1 of 4
MAP/BARO
Circuit Low Input
[
~
FAIL REC DTC PO405
LOOP STATUS
N/A
CALC LOAD(%)
0.0[
ECT(
o
F)
-40.0~