GM 3123 Manuel Du Propriétaire page 30

3
•
Count blinks to get the service codes.
•
Codes may be one or two digits.
• Codes are displayed as a pattern of one long blink followed
by one or more short blinks. Count ALL blinks to get code.
• Code 3 looks like:
• The EBCM stores only one service code at a a time, even
though it may detect more than one fault condition. The
first fault detected results in a stored service code. The
detected fault must be corrected, and the service code
must be erased from the computer's memory before
additional codes can be stored.
•
After the first fault is corrected and the service code is
erased, drive the vehicle at a speed greater than 35 mph
to set any additional service codes.
3.3.3 Retrieving Service Codes for Kelsey-Hayes 4WAL 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.
5.
Read codes from the "Anti-Lock" 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.
•
All codes are two digits.
•
Count blinks to get the service codes:
•
First and second digits of code are separated by a pause.
3-5
LONG SHORT SHORT
BLINK
BLINK
= Code 3
BLINK
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