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Retrieving abs codes – Equus 3123 - GM Code Reader (1982 - 1995) User Manual

Page 29

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Retrieving ABS Codes

GM

3-4

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:

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.

BLINK

PAUSE

BLINK

BLINK

= Code 13

BLINK

STEADY ON

TERMINATION

CODE