Actron 9640A Manuel D’Utilisation
GM Historic (OBD I) Diagnostics
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One of two screens displays: If the diagnostic checks are working correctly and
no DTCs have been stored in vehicle’s memory, a SYSTEM PASS message
displays. If not, the tool displays a screen indicating the number DTCs.
no DTCs have been stored in vehicle’s memory, a SYSTEM PASS message
displays. If not, the tool displays a screen indicating the number DTCs.
Use the
UP/DOWN
arrow keys to scroll
through the codes. Note the codes and
press
press
FUNC
to return to the GM Func-
tion List.
Erase Codes
The
Erase Codes function deletes the DTCs from the vehicle’s computer mem-
ory. Perform this function with KOEO or KOER. This function should be per-
formed only after the systems have been checked completely and DTCs have
been documented.
formed only after the systems have been checked completely and DTCs have
been documented.
After servicing the vehicle, erase the stored DTCs, perform a road test, and then
verify no new codes have been stored. If DTCs return, the problem has not been
corrected or other faults are present.
verify no new codes have been stored. If DTCs return, the problem has not been
corrected or other faults are present.
✓
Some codes can only be removed by repairing the faults that caused
them. Therefore, these codes will remain in the vehicle’s memory until the
condition is repaired.
them. Therefore, these codes will remain in the vehicle’s memory until the
condition is repaired.
✓
Not all trouble codes can be automatically erased using the scan tool.
Some vehicles require a manual erasing procedure. If possible, the tool
performs the appropriate
Some vehicles require a manual erasing procedure. If possible, the tool
performs the appropriate
Erase Codes procedure for your vehicle.
Select
Erase Codes and press the
ENTER
key.
A message appears asking if you are
sure. Press
sure. Press
LEFT/RIGHT
to move the
brackets to the desired response and
press
press
ENTER
.
Selecting NO and pressing
ENTER
returns you to the GM Function List.
Selecting YES displays a screen
prompting you to turn ignition ON. Turn
ignition key ON. Engine can be off or
running. Press
prompting you to turn ignition ON. Turn
ignition key ON. Engine can be off or
running. Press
ENTER
to continue.
System Pass:
No Faults Detected.
~
Codes Found: 1
Use To View Codes
Write Down Codes
For Reference ~
Current Code P0325
Ign System Problem
Elec Spark Control
ESC Failure
~
GM Function List
|
1)Read Codes
` 2)Erase Codes
[
3)View Data
~
Erase Codes?
Are You Sure?
Yes <No>
Turn Ign Key On
Engine Can Be Off
Or Running.
Press ENTER To Cont