GM 3123 Manuel Du Propriétaire page 29

Retrieving ABS Codes
•
All codes are two digits.
•
Count blinks to get the service codes:
• First and second digits of code are separated by a 3 second
pause.
•
Second digit of service code is followed by a termination
code ("Anti-Lock" light remains steady on).
NOTE:
DO NOT count termination code as part of second
digit.
•
Code 13 looks like:
PAUSE
BLINK
7.
Up to seven codes can be stored by the EBCM. To check
for additional codes: with ignition still on, disconnect and
then reconnect Code Reader. Repeat this procedure until
all codes have been retrieved.
NOTE:
Service codes cannot be erased until all stored service
codes have been retrieved.
8.
Turn off ignition and remove the Code Reader.
3.3.2 Retrieving Service Codes for Kelsey-Hayes RWAL Systems
1.
Turn off ignition.
2.
Connect the Code Reader to the vehicle test connector.
NOTE:
The Code Reader only fits into the connector one way.
3.
Set Selector Switch to ABS A-H
position.
4.
Turn on ignition. DO NOT
START THE ENGINE.
NOTE:
There is a 20 second pause before service codes begin
to display.
5.
Read codes from the "Brake" light on your vehicle's
instrument panel. Be sure to write the codes down.
NOTE:
If the light does not blink, refer to your vehicle's
service manual for information on checking the
circuitry.
GM
BLINK BLINK BLINK
= Code 13
STEADY ON
TERMINATION
CODE
3-4