audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Removing and installing connector point in electronics box (plenum chamber) > < Removing and installing fan for electronics box (plenum chamber)

A4 Cabriolet Mk2

Removing and installing 4-position relay carrier in electronics box (plenum chamber)
Removing and installing 4-position relay carrier in electronics box (plenum chamber)
Removing
  Note
All cable ties unfastened or cut open during removal must be reattached in same position when installing.
–  Switch off ignition and take out ignition key.
   
–  Detach rubber seal of plenum chamber cover in direction of -arrow-.
–  Remove plenum chamber cover -1- to front.
  A27-0088
–  Remove wiper arms -2- and -items 3 and 4- → Chapter.
  Caution
To stop the cowl panel grille -5- being torn on removal, apply a small quantity of soap solution to the transition between the windscreen and cowl panel grille and pull the cowl panel grille vertically upwards out of the fastening strip, starting at the edge of the windscreen.
–  Pull off retaining clips -1- and detach cowl panel grille -5-.
  A20-0833
–  Remove cover for electronics box in plenum chamber -arrows-.
  A10-0996
–  Use screwdriver to pry off retaining strap -arrows-.
–  Lay aside engine control unit with wires attached.
–  Release retaining clip for gearbox control unit.
–  Lay aside gearbox control unit with wires attached.
  A10-0997
–  Release retaining clips -arrows- and lift auxiliary relay carrier out of electronics box.
–  Unclip the fuse holders at the 4-position relay carrier.
–  Detach relays and control units and then unclip appropriate relay carrier.
  Note
Exact assignment of contacts in 4-position relay carrier in electronics box (plenum chamber) can be found in appropriate current flow diagram → Current flow diagrams, Electrical fault finding and Fitting locations.
Installing
Installation is carried out in the reverse order; note the following:
  Note
All cable ties unfastened or cut open during removal must be reattached in same position when installing.
  A10-1001

Removing and installing connector point in electronics box (plenum chamber) > < Removing and installing fan for electronics box (plenum chamber)