seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing operating and display unit for Climatronic air conditioning system E87 with Climatronic control unit > < Operation and function of displays and control buttons on Climatronic control unit J255
Repairing Climatronic - dash panel area
Repairing Climatronic - dash panel area
  Note
Parts marked with * can be repaired only by specially trained mechanics in suitable workshops → Chapter since the refrigerant must be extracted beforehand.
   
1 - Dash panel
q   Removing and installing → Rep. Gr.70
q   Removing and installing air ducts and vents → Chapter; Repairing heating
2 - Sunlight penetration photosensor -G107-
q   Tasks: controls temperature flap and fresh air blower depending on light intensity
q   Emergency running in event of failure: Climatronic control unit -J255- assumes fixed value
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Lever out using a screwdriver with a pad underneath
3 - Dust and pollen filter
q   Removing and installing → Chapter
4 - Vacuum unit for fresh air and air recirculation flap
q   Ventilated: fresh air operation
q   Vacuum hose connection diagram → Chapter
q   Removing and installing → Fig.
5 - Temperature flap control motor -V68-
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Removing and installing → Fig.
6 - Two-way valve for fresh air and air recirculation flap -N63-
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Removing → Fig.
7 - Air intake duct*
q   With fresh air and air recirculation flap
8 - Filter housing
q   Replacing → Chapter.
q   Removing and installing → Chapter
9 - Blower relay -J323-
q   For fresh air blower and blower for 2nd evaporator
q   Behind dash panel on right
q   Control number 114
10 - Fresh air blower control unit -J126-
q   Task: continuously variable control of fresh air blower speed depending on voltage
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Replacing → Fig..
11 - Fresh air blower -V2-
q   To renew: remove stowage compartment on the front passenger side → Rep. Gr.68.
12 - Climatronic control unit -J255-
q   The Climatronic control unit -J255-, the operating and display unit for Climatronic air conditioning system -E87- and the dash panel temperature sensor -G56- with temperature sensor blower -V42- are combined in one unit which cannot be dismantled.
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Removing and installing → Chapter
q   Do not dismantle further
q   After installing a new control unit, check the control unit code → Chapter
13 - Operating and display unit for Climatronic air conditioning system -E87- with Climatronic control unit -J255-
q   Do not dismantle further
q   Checking: → Chapter, final control diagnosis
q   Removing and installing → Chapter
14 - Dash panel temperature sensor -G56- with temperature sensor blower -V42-
q   Integrated in Climatronic control unit -J255-
q   Function: temperature sensor controls temperature flap and fresh air blower, depending on temperature
q   Emergency running in event of failure of dash panel temperature sensor -G56-: continued operation assuming value of +24 °C
q   Checking: read and clear fault memory via self-diagnosis → Chapter
15 - Centre section of instrument panel
16 - Evaporator housing*
q   With evaporator
q   Do not dismantle further
17 - Heater and air conditioning unit for front seats*
q   With evaporator
q   With air distribution flap
q   With footwell/defroster flap
q   With temperature flap
q   Removing and installing → Chapter
q   Dismantling and assembling → Chapter
18 - Front air distribution control motor -V145-
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Removing and installing → Fig.
19 - Front vent temperature sender -G152-
q   Emergency running in event of failure of front vent temperature sender -G152-: continued operation assuming value of +42 °C.
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Removing → Fig.
20 - Water drain pipe*
q   Checking → Fig.
21 - Lip valve
22 - Centre vent control motor -V102-
q   Checking: read and clear fault memory via self-diagnosis → Chapter
q   Removing → Fig.
23 - Heat exchanger*
q   Seals must be bonded free of gaps all around
q   If tabs do not engage when inserted or if they have broken off, bolt on heat exchanger.
q   After removal, completely renew coolant.
24 - Front Climatronic fuse -S140-
q   Above relay plate
25 - Rear Climatronic fuse -S141-
q   Above relay plate
26 - Magnetic clutch relay -J44-
q   On relay carrier
q   Only on vehicles with engine code AAA
q   Control number 186
q   Checking: read and clear fault memory via self-diagnosis → Chapter
27 - Radiator fan control unit -J293-
q   In engine compartment, front left → Current flow diagrams, Electrical fault finding and Fitting locations
q   Observe Part No.
q   Installed to model year 1998, not on vehicles with engine code AAA

   
Removing vacuum unit for fresh air and air recirculation flap
–  Remove dash panel → Rep. Gr.70.
–  Pull off hose connection.
–  Remove cross-head screws -arrows-.
–  Twist and lift vacuum unit off lever.
  N87-0183
Renewing fresh air blower control unit -J126-
–  Removing glove box or passenger side airbag unit → Rep. Gr.69
–  Pull off connector -2- and remove bolt -3-.
–  Seal area between fresh air blower control unit -J126--1- and air duct with AMV 176 000 05 before fitting.
  N87-0184
Removing two-way valve for fresh air and air recirculation flap -N63-
–  Removing glove box or passenger side airbag unit → Rep. Gr.69
–  Pull connector off.
–  Pull off hose connections and remove bolts -arrows-.
  N87-0199
Remove centre vent control motor -V102-.
–  Remove driver side dash panel cover → Rep. Gr.68.
–  Pull off connector -1- and remove bolts -2-.
–  Pull out centre vent control motor -V102--3-.
  N87-0187
Removing and installing front air distribution control motor -V145-
Removing:
–  Remove driver side dash panel cover → Rep. Gr.68.
–  Pull off connector -1- and remove bolts -2-.
Installing:
Install in reverse order. Note the following when doing this:
The markings -arrows- must align with one another when the centre flap is correctly adjusted.
  N87-0186
Removing and installing temperature flap control motor -V68-
Removing:
–  Remove dash panel → Rep. Gr.70.
–  Remove air duct behind dash panel.
–  Pull off connector -1- and remove bolts -2-.
Installing:
Install in reverse order. Note the following when doing this:
The markings -arrows- must align with one another when the temperature flap is correctly adjusted.
  N87-0196
Removing front vent temperature sender -G152-
–  Remove driver side dash panel cover → Rep. Gr.68.
–  Pull connector off front vent temperature sender -G152-.
–  Turn front vent temperature sender -G152- 90° and remove.
  N87-0197

Removing and installing operating and display unit for Climatronic air conditioning system E87 with Climatronic control unit > < Operation and function of displays and control buttons on Climatronic control unit J255