Removing and installing left temperature flap control motor V158 with potentiometer G220 — AUDI

Removing and installing
left temperature flap control motor
V158
with potentiometer
G220
Automatically controlled air conditioner
Note
On the Audi TT, only one temperature setting is available on the
Operating and display unit 3 for air conditioner
E776
. The
J255
activates the two control motors for regulating the temperature (the
control motor for left temperature flap
V158
and the
control motor for right temperature flap
V159
) in parallel across large sections of their adjustment range using characteristic curves stored in the
Climatronic control unit
J255
Vehicle diagnostic tester
(
“Guided Fault Finding”
) and
Chapter
“
Overview of fitting locations - operating and display units, vehicles with automatically controlled air conditioner
”
Removing
WARNING
Risk of injury from knee airbag.
Before working in the vicinity of pyrotechnic components, the mechanic must
“discharge static electricity”
. Observe the safety precautions for working on airbags
General body repairs, interior
Rep. gr.
00
Safety precautions; Safety precautions when working on pyrotechnic components
.
Switch off ignition.
Equipment version with ignition lock: Remove ignition key.
Remove dash panel trim or knee airbag (driver side)
General body repairs, interior
Rep. gr.
68
Shelves / trim panels; Removing and installing dash panel trim (driver side)
.
Remove footwell vent (driver side)
Chapter
.
Note
Right-hand drive vehicles: Remove glove box and left footwell vent
General body repairs, interior
Rep. gr.
68
Shelves / trim panels; Removing and installing glove box
.
Remove bolts
arrows
.
Swivel out
left temperature flap control motor
V158
item 1
behind temperature flap operating shaft
3
.
Unplug electrical connector
2
.
Detach control motor.
Installing
Installation is carried out in the reverse order; note the following:
Tightening torque
Chapter
“
Exploded view - heater and air conditioning unit
”
Note
Check operation of flaps and hinge mechanism before installing.
Make sure levers and shafts are seated correctly in actuator sockets.
Position control motor
1
on air distribution housing; gear wheel
2
on control motor must engage in gear wheel
3
at temperature flap lever.
Long tooth
4
must engage in recess
arrow
in actuating arm.
Note
Turn actuator socket in control motor if gear wheels on control motor and temperature flap lever are not opposite one another. Observe notes
Chapter
.
The control motor is not positioned correctly on the housing if the bolts cannot be fitted.
Route electrical wiring harness so that it cannot come into contact with moving components (e.g. control motor lever).
To check operation of control motor, connect an adapter cable
Chapter
, or use a test lead from
adapter set
V.A.G 1594C
to connect contacts
“5”
and
“6”
of control motor to a 12 V battery via a 5 A fuse.
Note
Turn control motor until it reaches a convenient position for installation. The direction of rotation can be reversed by interchanging positive and negative.
Install remaining components.
Interrogate event memory and erase any entries displayed; then perform
“Basic setting”
Vehicle diagnostic tester
(
“Guided Fault Finding”
).
As a final step, check operation of heater/air conditioner.