Actron GM Code Scanner CP9001 - Manual (Page 56)

56
TM
GM 1982 & higher - CP 9001
Ca r C om pu ter Co de R ead er
Erasing ABS Codes from Computer
Memory – Bosch 2S
Erase codes from memory whenever
you complete a repair or to see if a
problem will occur again. Note: The
computer will automatically erase
codes after several restarts (typically
100) if the problem does not return.
Proceed as follows:
1) Turn the ignition
switch to the
OFF position.
Plug the Code Scanner (make sure
the TEST switch is in the ABS
position) into the test connector.
2) Turn the ignition
switch to the ON
position. Then...
• 1990 Corvette:
When the anti-
lock lamp begins to flash codes,
remove the Code Scanner from the
connector for about 1 second, then
reinstall the Code Scanner for about
one second. Repeat this procedure
3 times within
10 seconds.
Leave the
Code Scanner
inserted in the
connector the
3rd time.
• 1991 Corvette:
When the anti-lock lamp begins to
flash codes, remove the Code
Scanner from the connector for
about 1 second, then reinstall the
Code Scanner for about 1 second.
Repeat this procedure 4 times
within 10 seconds. Leave the Code
Scanner inserted in the connector
the 4th time.
OF
F
ON
T E S T
ABS ENGINE
O
FF
ON
TM
GM 1982 & higher - CP 9001
Ca r C om pu ter C od e R ead er
3) Wait 15 seconds, then observe the
anti-lock indicator lamp. Code 12,
the “diagnostic system operational”
code should flash indicating that all
trouble codes have been erased
from memory.
Turn the ignition
switch to the OFF
position.
Remove the
Code Scanner,
and reinstall
the test
connector
cover (if
used on
vehicle).
OF
F ON