Actron GM Code Scanner CP9001 Bedienungsanleitung PDF herunterladen (Seite 10)

10

• A code 12 is always sent even

when the computer sees no

problem. This tells you the

computer diagnostic checks are

working properly. If you do not get

a code 12, or if the “Check Engine”

light does not flash you have a

problem which must be repaired.

Refer to “Diagnostic Circuit Check”

procedure in vehicle service

manual. (See manual listing on

page 4.)

• All codes are two (2) digits long.

• Codes are sent in numeric order

from the lowest number to the

highest.

Transmission Codes:

The engine computer can send trouble

codes for transmission problems - if

the vehicle has a computer controlled

transmission.

NOTE: Some diesel powered trucks

have a computer controlled transmis-

sion. These vehicles will only send

transmission related codes since the

the diesel itself is not computer

controlled.

• GM Vehicles

–The “Check Engine” light flashes

both engine codes and transmis-

sion codes.

• Saturn Vehicles

–The “Check Engine” light flashes

engine codes.

–The “Shift to D2” light flashes

transmission codes.

Look for a code 11 flashed on the

“Check Engine” light. This is a signal

telling you transmission codes will then

be flashed on the “Shift to D2” light.

Transmission codes are flashed in a

way similar to engine codes.

9) Turn Ignition Key OFF

10)

Remove Code Scanner and Re-

install Connector Cover, if

supplied.

The computer system is now back

to normal operation.

11)

Refer to “Test Results” chart on

page 9

This completes the code reading

procedure.

At this point you can either:

• Have your vehicle professionally

serviced. Trouble codes indicate

problems found by the computer.

or,

• Repair the vehicle yourself using

trouble codes to help pinpoint the

problem.

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