Actron 9640A manual Record Data, SelectRecordData from the GM Func Tion List and press

GM Historic (OBD I) Diagnostics

Select the type of data to view. Refer to “Viewing Data” on page 3-9 for Entire or Custom Data Lists.

After making a selection, press

to establish a communication link.

Use the

arrow keys to scroll

through the PIDs.

A Vehicle Data List header marks the

beginning.

Change the selection of Custom Data List parame ers

ny time by pre sing

the

key. This returns to the Custom Data Li

l

c ion screen.

Record Data

TheRecordData function records vehicle PIDs (Param

r Ide

ification Data)

while the vehicle is parked or being driven. This fu

on is m

i

ly used for diag-

nosing intermittent driveability problems that can

ot be isol

ted by any o her

method. The tool records data based on time (5 fra

es prior to he

tart of

he

recording, and for a duration after). The time aft r depends on the vehicle data

rate. The RecordData function allows diagn

is

f an int

rmit

probl m by

analyzing data leading up to the problem, during he probl

m,

d p

sibly after

5

the problem, depending on duration.

Data

ToVew

Select1)Enire

DataLista

SelectRecordData from the GM Func-

`

tion List and press

. FollowENTERall

instructionsUP/DOWNon the display.

2)CustomData

List

✓ The tool can maintain only one recordingCatodesa time. Be sure to horoughlyYes

review the old recording before erasing it.

Present

ON[

1STGEARSW

Neveroperate thetoolwhileA/FRATIOdriving.Have

noth r18person.8~

!

! WARNING

assist with the operation`4GM5of theRetool.view

List[]

This function can be performed with the ignition k

y On-Engi

Off or Running.

If a recordingBACK

currently exists in memory,

a message to Erase Old Recording is

displayed. The tool stores only one

recording at a time, so be sure to review

it before erasing it.

Multiple Group Vehicles

Some vehicles display a Select Group scre

f

ng

. In hese

cases, only one group of data can be record

d at a t me. R

cor ng another

group of data overwrites the present one.

Function

In the next screen, select a method to

trigger a recording.ManualTrigger will

begin recording whenENTERthe

key

cord

Data

pressed. Trigger On Codes will begin

recording when a DTC is stored in the

PCM.

ENTER

6)Field

Service

~

Mmy.Eraseld?RcdingFilledUpCannote2)TriggerOnCodes<YES>or RecordN.OOld

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