ABS - Revised Diagnosis/Repair Procedure

87audi03

Applies To


5000 CS/CD QUATTRO


1997 Model Year
Group


45
Subject

Anti-lock Brake System

Part Identifier N/A
Key Points

Revised diagnosis/repair procedure on certain ABS-equipped vehicles

H
Number

87-01

July 22, 1987
Some vehicles in the following VIN range were produced with a different ABS control unit (Part No. 857 907 379 B) and a longitudinal acceleration switch (Part No. 443 907 388):

from to
44 HA 026 001 - 44 HA 092 012



Use position 4 (arrow) of the ABS 2-LED-Tester when troubleshooting the brake system on vehicles having this control unit and longitudinal acceleration switch. The test step position 4 is applicable only on these vehicles.



The entire testing procedure for using the ABS 2-LED-Tester is explained in Service Training booklet, Part No. WSP 521 139 00. Add the following step to the procedure on page 10 of the booklet: