Actron GM Code Scanner CP9001 - Manual (Page 9)

9
TM
GM 1982 & higher - CP 9001
Car Computer Code Reader
6) Plug the Code Scanner into the
Test Connector. Put TEST switch
on ENGINE.
sequence is repeated. This continues
until the ignition key is turned OFF (so
you can double check your code list).
Example of code 12 only:
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
(longer pause)
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
(longer pause)
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
(even longer pause, then start over again)
Example of code series 12 and 24:
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
(longer pause)
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
(longer pause)
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
even longer pause, then go to next code)
❊❊
PAUSE
❊❊❊❊
FLASH FLASH (pause)
FLASH FLASH FLASH FLASH
(longer pause)
❊❊
PAUSE
❊❊❊❊
FLASH FLASH (pause)
FLASH FLASH FLASH FLASH
(longer pause)
❊❊
PAUSE
❊❊❊❊
FLASH FLASH (pause)
FLASH FLASH FLASH FLASH
(even longer pause, then start all over
from the very beginning)
• The Code Scanner only fits ONE
WAY into the test connector.
• The Code Scanner will not harm
the vehicle engine computer.
NOTE: The Code Scanner does not
use all of the test connector
contacts. Also, one Code Scanner
pin may plug into an empty test
connector position. This is normal.
7) Turn Ignition Key to ON Position
but DO NOT START THE ENGINE
You may hear some clicking sounds coming
from under the hood. This is normal.
WARNING: Stay away from the
radiator cooling fan! It may turn on.
8) Get Codes from the Flashing
“Check Engine” Light
NOTE: If the light does not flash, you
have a problem which must be
repaired before proceeding. Refer to
“Diagnostic Circuit Check” chart in
vehicle service manual.
Count flashes to get trouble codes.
Code 12 looks like:
❊
PAUSE
❊❊
FLASH (pause) FLASH FLASH
(FLASH = 1, FLASH FLASH = 2.
Put 1 and 2 together = code 12.)
Code 23 looks like:
❊❊
PAUSE
❊❊❊
FLASH FLASH (pause)
FLASH FLASH FLASH
• Each code is flashed three (3) times
before the next trouble code is sent.
• After all codes are sent, the whole