Test Requirements

Test requirements
- Switch ignition and electrical consumers off before beginning the check (headlights, lighting, fan.).
- Fuses S9, S13, S178 and S179 must be OK (remove fuses from fuse holder to check).

Removing air cleaner





- Pull connector -2- off mass air flow sensor.
- Release spring-type clip -1- on air duct hose with pliers VAG 1921 and pull hose off air cleaner.
- Remove air cleaner bolts -3- and take out air cleaner -4-.





- Release ABS control module (w/EDL) -J104- connector -arrow 1- and pull off-arrow 2-.





- Connect test box VAG 1598/21 -1- to multi-pin connector of ABS control module (w/EDL) -J104- (-2-).

The specified values are matched to the VAG 1526 and are not necessarily applicable for other test units.