Removing and installing temperature sensor for rear intake air temperature G639 — AUDI

Removing and installing
temperature sensor for rear intake air temperature
G639
Note
Currently all the control motors on this vehicle are identical. While you are performing the basic setting, the control motors are assigned and adapted in accordance with the series connection of the wiring. If the sequence is not as specified, the control motors will not be adapted properly and the flaps will not be controlled correctly
Chapter
“
Overview of control motors of air conditioner
”
.
After installing the rear air distribution housing, perform air conditioner basic setting
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.
If necessary, activation of the electrical components of the air conditioner can be checked by way of the
“Final control diagnosis”
and
“Basic setting”
functions (e.g. to check for interchange)
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.
After installing a new control motor, check activation by the air conditioner front operating and display unit,
Climatronic control unit
J255
and operation of the control motor
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.
Removal of the
temperature sensor for rear intake air temperature
G639
involves taking out the rear air distribution housing
C
. Taking out the rear air distribution housing
C
involves prior removal of the entire centre console including the base plate of the centre console
A
and the insulating mat
B
fitted between the base plate and the rear air distribution housing
C
General body repairs, interior
Rep. gr.
68
Centre console; Removing and installing centre console bracket
.
Removing
Remove driver and front passenger seat
General body repairs, interior
Rep. gr.
72
Front seats; Removing and installing front seat
.
Switch off ignition.
Remove the base plate of the centre console
A
and the insulating mat
B
General body repairs, interior
Rep. gr.
68
Centre console; Removing and installing centre console bracket
.
Caution
The air conditioner will not function properly if control motors and/or the corresponding connectors are interchanged
Chapter
“
Overview of control motors of air conditioner
”
.
The control motors and connectors are identical. If these are incorrectly installed or connected, the corresponding flaps can no longer be properly matched and/or activated.
Mark control motors and connectors clearly before detaching or removing to prevent incorrect installation.
Remove the rear air distribution housing
C
Chapter
“
Removing and installing air intake box of heater and air conditioning unit
”
.
Unplug connector
A
.
Turn the sender
B
through 90°
arrow
and remove.
Installing
Install in reverse order of removal; note the following.
Check that seal
C
is not damaged and is seated correctly.
Re-install all components removed in reverse order.
Perform basic setting and final control diagnosis for the air conditioner (to check operation)
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.
Note
The control motors on this vehicle are equipped with electronics. A new control motor only learns its position at the air conditioning unit in the course of basic setting and can then be activated by the air conditioner front operating and display unit,
Climatronic control unit
J255
(all control motors are identical at present)
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.
While you are performing the basic setting, the control motors are assigned and adapted in accordance with the series connection of the wiring. If the sequence is not as specified, the control motors will not be adapted properly and the flaps will not be controlled correctly
Chapter
“
Overview of control motors of air conditioner
”
.
Interrogate the event recorder of the front air conditioner operating and display unit,
Climatronic control unit
J255
and erase any faults displayed
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.