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Connecting adapter V.A.G 1598/21 (test box) to ABS with EDL control unit J104 > < Login procedure or coding II

A3 Mk1

Electrical check of ABS, ABS/EDL and ABS/EDL/TCS ITT Mark 20 without ESP
   
Electrical check of ABS, ABS/EDL and ABS/EDL/TCS ITT Mark 20 without ESP
Special tools and workshop equipment required
t  Hand-held multimeter -V.A.G 1526 B- or vehicle diagnostic, testing and information system -VAS 5051 A- with test leads -VAS 5051 A/7-
t  Adapter set -V.A.G 1594 C-
t  Test box -V.A.G 1598/21-

The test steps can be used:
t  For vehicles on which the self diagnosis does not give any indication of the source of the fault. Work through the complete electrical check.
t  For vehicles on which the self diagnosis provides a direct indication of the source of the fault. Only carry out the test steps recommended in the fault table (to trace a specific fault).
Requirements
l  Voltage supply of vehicle OK.
l  Fuses OK → Current flow diagrams, Electrical fault finding and Fitting locations.
l  Earth connections checked for corrosion and loose contact → Current flow diagrams, Electrical fault finding and Fitting locations.
l  All electrical consumers switched off.
   

Connecting adapter V.A.G 1598/21 (test box) to ABS with EDL control unit J104 > < Login procedure or coding II