Connecting VAG 1598 test box with VAG 1598/27 adapter:
- Switch off ignition.
- Connect VAG 1598/27 adapter to VAG 1598 test box. Pull multi-pin connector off ABS control module (w/EDL) -J104-, and connect VAG 1598/27 adapter and VAG 1598 test box to connector on ABS/EDL wiring harness.
The socket designations on VAG 1598 test box are identical with the contact designations on ABS control module (w/EDL) -J104- and on the wiring harness connector