Actron Super AutoScanner CP9145, User Manual

Page: 38 / 88

GM Historic Diagnostics • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
4 – 4 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
4
Select View Data from the GM Function
List and press
(17(5
. The data displays
within 3 minutes unless a Select Group
screen appears.
Some vehicles display a Select Group
screen for viewing data. In these cases,
only one group of data can be viewed at a
time. Select and press
(17(5
Use the
83'2:1
arrow keys to scroll
through the PIDs.
The “Vehicle Data List” header marks the
beginning.
Press the
%$&.
key to return to the GM Function List. If multiple engine groups
were available, then pressing
%$&.
displays the Select Group screen.
REVIEW DATA
The Review Data function allows you to review the Read Codes data. Select
Review Data and press
(17(5
.
Codes will be noted as History or Current. Use
83'2:1
arrow keys if more than
one DTC exists. Press
%$&.
to return to the GM Function List.
FIELD SERVICE
Field Service is a special diagnostic mode to monitor fuel system operation and
read DTCs. Some GM service manuals may refer to this mode as the Field
Service Mode Check. This mode works on vehicles equipped with a 12-pin ALDL
connector with a wire present in Pin-B, Diagnostic or Test Enable. The scan tool
enters this mode by grounding Pin-B: shorting Pin-B to Pin -A (ground).
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