Heating: Other Volkswagen Tiguan I

HEAT AND FRESH AIR CONTROLS, PIN ASSIGNMENT

Special tools and workshop equipment required

1. Test Box V.A.G 1598/42
2. Adapter Cable V.A.G 1598/47
3. Template 1598/47-2

The 16-pin harness connector is not assigned.

5-pin harness connector, in wiring diagram T5

Scheme 8

1 - 3rd blower speed

2 - 2nd blower speed

3 - 1st blower speed

4 - 4th blower speed

5 - Terminal X

20-pin harness connector, in wiring diagram T20c

3 - Fresh/Recirculating Air Door Motor -V154

6 - Fresh/Recirculating Air Door Motor -V154

7 - Auxiliary Air Heater Control Module -J604

8 - Rear window

11 - Driver's Heated Seat Control Module -J131

15 - Front Passenger's Heated Seat Control Module -J132

16 - Terminal 75 seat heater (optional)

18 - Terminal 30

19 - Terminal 15

20 - Terminal 31

Scheme 9

1. Adjusting Unit for Temperature Door Removing and installing, refer to «AIR DISTRIBUTION FLAP ADJUSTER»(ref-514669-S08206820312012112100000)
2. Bracket
3. Cover
4. Fresh/Recirculating Air Door Motor -V154- Checking, use: Vehicle Diagnosis, Testing And Information System VAS 5051B or newer model. Removing and installing, refer to «FRESH/RECIRCULATING AIR DOOR MOTOR»(ref-514669-S29280767892012112100000) Replacing: Initiate the Basic Setting function with the Vehicle Diagnosis, Testing And Information System VAS 5051B (or newer model), refer to «CLIMATRONIC A/C SYSTEM WITH AUTOMATIC CONTROL, CHECKING»(ref-514706-S40225126612012112100000) .
5. Housing for Air Entry With recirculating air door
6. Heater Unit Disassembling and assembling, refer to «HEATER»(ref-514669-S09036815002012112100000)
7. Fresh Air Blower -V2- Removing and installing, refer to «FRESH AIR BLOWER»(ref-514669-S08975465182012112100000)
8. Fresh Air Blower Series Resistor With Fuse -N24- Removing and installing, refer to «FRESH AIR BLOWER SERIES RESISTOR WITH FUSE»(ref-514669-S37919780382012112100000)
9. Dust and Pollen Filter Removing and installing, refer to «DUST AND POLLEN FILTER»(ref-514669-S25375442072012112100000)
10. Cover For dust and pollen filter
11. Heat Exchanger Removing and installing, refer to «HEAT EXCHANGE»(ref-514669-S39561283732012112100000)
12. Heater Core Trim
13. Auxiliary Heater Heating Element -Z35- A 3-stage Auxiliary Air Heater Heating Element -Z35- is installed here; it is controlled by each motor control module via relays Only installed on vehicles with Diesel engine without auxiliary heater Removing and installing, refer to «AUXILIARY AIR HEATER HEATING ELEMENT»(ref-514669-S11198047402012112100000)
14. Air Distribution Housing Removing and installing, refer to «AIR DISTRIBUTION HOUSING»(ref-514669-S25270514152012112100000)
15. Adjusting Unit for Air Distribution Doors Removing and installing, refer to «AIR DISTRIBUTION FLAP ADJUSTER»(ref-514669-S08206820312012112100000)

FLEXIBLE AIR DISTRIBUTION SHAFT, CHECKING

Flexible shaft for adjusting unit of air distribution doors

Let fresh air blower run on highest speed. The flexible shaft is installed correctly if air flows out of the defroster vents in the "Defrost" position but not out of the footwell vents. If this is not the case, remove flexible shaft from adapter. Place controls for hot air and fresh air onto adapter and rotate rotary knob for air distribution 1 / 2 rotation (180°). Then reconnect flexible shaft. Repeat test

VENTILATION, CHECKING

Note. The stale air escapes through the vent openings in the luggage compartment trim. If the ventilation is to function properly, the ventilation openings must not be covered. The ventilation frames are located in the rear side panels, behind the bumper.

Remove rear bumper. Refer to Removal and Installation .

Scheme 10

The sealing lips -1- in the ventilation frame on both sides of vehicle must be free to move and close automatically.

Observe installed position

FRESH AIR BLOWER V2

Fresh Air Blower -V2- is accessible from footwell on front passenger side.

Scheme 11

Removing

Remove partition from heater. see scheme 2

Disconnect harness connector -A- from Fresh Air Blower -V2-.

Remove the bolt -B- for the Fresh Air Blower -V2- (1 Nm).

Disengage the locking mechanism -2- and turn the Fresh Air Blower -V2- in -direction of arrow- and remove it.

Note. In RHD vehicles, turn the Fresh Air Blower -V2- opposite the -direction of arrow-.

Install in reverse order of removal.

FRESH AIR BLOWER SERIES RESISTOR WITH FUSE -N24

Removing

Perform following work first

Remove partition from heater. see scheme 2

Scheme 12

Disconnect harness connector -1- from Fresh Air Blower Series Resistor With Fuse -N24-.

Press locking mechanism in -direction of arrow- and remove Fresh Air Blower Series Resistor with Fuse -N24- from heater.

Install in reverse order of removal.

DUST AND POLLEN FILTER

Removing

Remove the partition -2- from the heater see scheme 2.

Scheme 13

Release cover -3- in direction of arrow.

Remove dust and pollen filter downward out of heater.

Install in reverse order of removal.

Scheme 14

Note. Note installation position of dust and pollen filter.

CENTER VENT

Note. The center vents and center instrument panel trim are a single component. Removing and installing the center instrument panel trim is described in Removal and Installation .

DRIVER OR PASSENGER VENTS

Special tools and workshop equipment required

1. Trim Removal Wedge 3409

Note. Vent removal on both sides is identical. To prevent damage to instrument panel, use a pad when prying out.

Removing

Unclip the side window vent -2- from the instrument panel -1-.

Scheme 15

Using a Trim Removal Wedge 3409, unclip the vent -3- from the instrument panel.

Install in reverse order of removal.

REAR FOOTWELL CHANNEL

Removing

Note. The procedure for removing rear channels is identical for both sides.

Remove driver or front passenger seat. Refer to Removal and Installation .

Remove center console. Refer to Removal and Installation .

Scheme 16

Lift floor carpet, unclip rear channel from floor and pull off from heater.

Installing

Install in reverse order of removal.

Note. When installing the rear channel, ensure the rear channel is first slid onto heater -arrow- and then clipped in to floor.

LEFT FOOTWELL VENT

Removing

Remove the cover inside the driver footwell. Refer to Removal and Installation .

Scheme 17

Remove the bolts -2- (1.5 ± 0.2 Nm) and the left footwell vent -1-.

Installing

Install in reverse order of removal.

RIGHT FOOTWELL VENT

Removing

Remove the glove compartment. Refer to Removal and Installation .

Scheme 18

Remove the bolts -2- (1.5 ± 0.2 Nm) and the right footwell vent -1-.

Installing

Install in reverse order of removal.

Note. In vehicles with glove compartment cooling, make sure cooling hose is correctly seated.

REAR VENT

Note. Removing and installing the rear vents, refer to Removal and Installation

HEAT AND FRESH AIR CONTROLS

Removing

Note. The controls consist of two separable housings. Before removing controls, bring rotary buttons into the following positions: Heater control to cold Blower to 0 Air flow direction to footwell

Remove the heat and A/C controls panel. Refer to Removal and Installation .

Scheme 19

Unscrew bolts -2- (4.2 x 45) and -3- (4.2 x 16) and remove controls -1- from center console.

Tightening specification for bolts -2- and -3- : 1.5 ± 0.2 Nm.

Scheme 20

Disengage harness connector release catch -A- by pulling in direction or arrow -1-.

Disengage harness connector release catch -B- to connector -arrow 2- and disconnect connector -C-.

Disengage harness connector release catch -D- and disconnect connector -D-.

Note. Illustration shows "Climatic" version. The procedure for releasing the connector is the same.

Installing

Installation is performed in reverse order of removal, make sure when doing so that the rotary buttons have the same position as when removing.

FLEXIBLE AIR DISTRIBUTION SHAFT

Removing

Remove radio, refer to Removal and Installation .

In vehicles without radio, remove panel in center of instrument panel. Refer to Removal and Installation .

Remove the glove compartment. Refer to Removal and Installation .

Scheme 21

Bring flexible shaft into the following position

Turn the air distribution knob -1- until the shaft locking mechanism -2- is visible in the step-up gearing -3-.

Remove controls for hot air and fresh air. Refer to HEATER CONTROLS .

Scheme 22

Reach into center console and release retaining tab -1- by pressing in direction of arrow.

Pull flexible shaft out of adapter -2-.

Note. When installing flexible shaft, adapter and rotary switches on controls for hot air and fresh air must have a specific position to each other, otherwise it will malfunction. Refer to FLEXIBLE AIR DISTRIBUTION SHAFT, CHECKING .

TEMPERATURE DOOR RELEASE CABLE

Removing

Remove controls for hot air and fresh air. Refer to HEATER CONTROLS .

Scheme 23

Reach into center console and disengage locking mechanism -1- of Bowden cable sheath -2- and remove Bowden cable sheath from mount.

Disengage the ball on the release cable -3- from the operating lever -4-.

Remove the trim panel inside the driver footwell. Refer to Removal and Installation .

Scheme 24

Unclip Bowden cable at adjusting unit of temperature doors -A- and unclip heater -B-.

Installing

Install in reverse order of removal. When doing this, make sure that Bowden cable lies under the hook -arrow-.

Check whether temperature knob can be moved easily from "cold" to "warm".

FRESH/RECIRCULATING AIR DOOR MOTOR - V154

Removing

Note. Position of recirculating air door must not be changed.

Remove the glove compartment. Refer to Removal and Installation .

Scheme 25

Remove cover -1-.

Disconnect harness connector from Fresh/Recirculating Air Door Motor -V154- -2-.

Remove Fresh/Recirculating Air Door Motor -V154- -2- from mounts.

Installing

Install in reverse order of removal.

Note. After installing the Fresh/Recirculating Air Door Motor -V154-, the function for the recirculating air door must be checked.

Checking: Vehicle Diagnosis, Testing And Information System VAS 5051B or newer model.

Replace: Initiate the Basic Setting function with the Vehicle Diagnosis, Testing And Information System VAS 5051B (or newer model). Refer to CLIMATRONIC A/C SYSTEM WITH AUTOMATIC CONTROL, CHECKING .

HEATER CORE

Removing

Special tools and workshop equipment required

1. Drip Tray For Shop Crane VAS 6208
2. Hose Clamps Up To 40 Mm Diameter 3093
3. Compressed air gun, commercially available

Place Drip Tray for Shop Crane VAS 6208 under the engine.

Scheme 26

Clamp off the coolant hoses -1- using Hose Clamps Up To 40 Mm Diameter 3093 and disconnect the coolant hoses to the heater core.

Scheme 27

Connect a section of hose -A- onto upper connection of heater core.

Hold a container -B- under the lower connection -C-.

Using a compressed air gun, carefully blow coolant out of heater core into container -B-.

Scheme 28

Slightly loosen (do not remove) screw -1- on connecting flange between heater core connections.

Note. By loosening the screw -1-, the coolant pipes are loosened and it is easier to remove the heater core.

Remove the trim panel inside the driver footwell. Refer to Removal and Installation .

Remove left footwell vent. Refer to LEFT FOOTWELL VENT .

Scheme 29

Remove screws -A- and remove trim -B-.

Note. There are different versions of cover -B-. The illustration shows the version with Auxiliary Air Heater Heating Element -Z35-. If the temperature door lever -C- is a position that hinders access to the upper screw -A-. Change the position of the temperature door using the controls for hot air and fresh on, on vehicles with Climatronic with operating and display unit HI setting.

Cover carpet in area under heat exchanger with waterproof foil and water absorbing paper.

Scheme 30

Open pipe clamps -A- and disconnect coolant pipes from heater core.

Remove heater core from heater.

Installing

Installation is carried out in the reverse order, when doing this note the following

Scheme 31

Check seals -A- and -B- installed on heater core, only install a heater core with undamaged seals.

Note. An incorrectly glued seal can roll up into heater when sliding in the heater core. Cold air may flow past heat exchanger if seal is damaged or not properly fitted.

With the heater core removed, check heater for soiling (via heater core opening -A-).

Scheme 32

If necessary, remove dirt or coolant from heater, for example after removing leaky heater core.

Push heater core into heater.

Coat sealing rings -1- with coolant before installing.

Scheme 33

Insert sealing rings -1- into connection on heater core.

Note. Ensure sealing rings are installed on the proper side, as shown in the illustration. If pipe clamps are deformed, replace them.

Connect coolant pipes to heater core.

Pipe clamps -A- must be able to be twisted slightly when installing onto the coolant pipes.

Pipe clamps -A- must be installed as shown in the illustration.

Tighten the pipe clamps -A- to 2 Nm.

Check seating of both clamps -A- after tightening screws. They must completely enclose the flange on the heat exchanger and coolant pipe and must not come in contact with other components.

Tighten the screw -1- from the connecting flange between heater core connections to 2 Nm.

Check position of grommet -C- in bulkhead for proper seating.

Scheme 34

Seal the flanges on the coolant pipes leading to the heater core -A- and for the expansion valve to the evaporator (only on vehicles with air conditioning) -B- at the pass-through of grommet -C- with silicone adhesive sealant to prevent water from penetrating.

Note. Sealing rings must always be replaced. After replacing heater core, coolant must be replaced completely. Refer to [For transmission(s) 0A6, 09M] [For engine(s) CCTA] Removal and Installation . Check the cooling system for leaks. Pay close attention to the connections between the coolant pipes and the heat exchanger.

Removing

Remove the trim panel inside the driver footwell. Refer to Removal and Installation .

Remove left footwell vent. Refer to LEFT FOOTWELL VENT .

Remove screws -A- and remove trim -B-.

Note. If the temperature door lever -C- is a position that hinders access to the upper screw -A-. Change the position of the temperature door using the controls for hot air and fresh on, on vehicles with Climatronic with operating and display unit HI setting.

Disconnect the battery. .

Remove the nut -1- (9 ± 1 Nm).

Scheme 35

Loosen the connector strip locking mechanism -arrow-.

Remove the screw -2- 1.4 Nm and pull the Auxiliary Air Heater Heating Element -Z35- out of the blower case.

Installing

Install in reverse order of removal.

AIR GRILLE

Removing

Remove the left plenum chamber cover and the cover over the intake air grille. Refer to Removal and Installation .

Scheme 36

Note. From CW 22/2008 with Climatronic, a bracket with an Air Quality Sensor -G238- is installed on the intake air grille. Air Quality Sensor -G238- function, refer to AIR QUALITY SENSOR FUNCTION .

Release the Air Quality Sensor -G238- -1- and rotate it to the right to remove it from the bracket.

Scheme 37

Remove the flange nuts -arrows- (2.5 ± 0.4 Nm) and remove the air intake grille upward.

Scheme 38

Installing

Install in reverse order of removal.

Note. The seal must fit correctly on the air intake grille.

Assembly sequence

Align the air intake grille on the flange.

Hold the air intake grille in place and tighten the flanged nuts (2.5 ± 0.4 Nm).

HEATER UNIT

Special tools and workshop equipment required

1. Drip Tray for Shop Crane VAS 6208
2. Hose Camps up to 40 mm Diameter 3093
3. Compressed air gun, commercially available

Removing

Note. To improve accessibility, additional components, engine cover must be removed (depending on engine version). Refer to [For transmission(s) 0A6, 09M] [For engine(s) CCTA] Removal and Installation .

Remove the instrument panel. Refer to Removal and Installation .

Loosen the clips -2- and remove the defroster intermediate piece -1- from the heating and A/C unit.

Scheme 39

Remove the intermediate piece -3- from the heating and A/C unit.

Remove the assembly carrier. Refer to Removal and Installation .

Remove rear channels for right and left footwells. Refer to REAR VENT .

Place Drip Tray for Shop Crane VAS 6208 under the engine.

Mark coolant hoses -1-.

Clamp off the coolant hoses -1- using Hose Clamps Up to 40 Mm Diameter 3093 and disconnect the coolant hoses to the heater core.

Connect a section of hose -A- onto upper connection of heater core.

Hold a container -B- under the lower connection -C-.

Using a compressed air gun, carefully blow residual coolant out of heater core at heater core connection.

Cover floor carpet in vehicle interior with leak-proof foil and absorbent paper.

Note. On removal, note down bolt lengths and assignment for installation later.

Scheme 40

1. Screw 4, 5 ± 0.7 Nm
2. Screws Quantity: 2 4, 5 ± 0.7 Nm
3. Cable Bracket
4. Heater Unit Removing All cable ties and other wiring harness fasteners released or cut open on removing air conditioner unit are to be re-attached in same position on installation. The heater wiring harness is removed with the heater. The tunnel braces -8- and -9- are welded to the assembly carrier -7-. -- Remove the assembly carrier. Refer to «Removal and Installation»(ref-514668-S18888963442012112100000). -- Disconnect the connectors from the heater. -- Remove bolts -6- from bracket -5-. -- Remove the bolts -10- and nuts -12- and the bracket -11-. -- Remove bolts -1- and -2- from cable bracket -3-. NOTE: All cable ties opened or cut during removal must be reinstalled at the same locations during installation. To be able to reach the bolt -1-, heater on driver side must be pulled out slightly from facing wall. When removing heat unit, make sure the two coolant pipes of the heater core do not get caught and bent or damaged on plenum chamber or noise insulation pan. Also pay attention to wiring harness, individual wiring connections may get damaged when pulling too forcefully on wiring harness. -- Remove the heater. Installing Installation is carried out in the reverse order, when doing this note the following: NOTE: A second technician is necessary to install the heater. -- When inserting heater, have the second technician guide both coolant pipes to heater core through the seal (from engine compartment). (Scheme 41) -- Fill with coolant. Refer to «[For transmission(s) 0A6, 09M] [For engine(s) CCTA] General Information»(ref-514704-S32310804012012112100000).
5. Bracket
6. Screws 8 Nm
7. Assembly Carrier
8. Right Support Attached to the assembly carrier
9. Left Support Attached to the assembly carrier
10. Screws Quantity: 2 9 ± 1.3 Nm
11. Bracket
12. Nut Quantity: 2 9 ± 1.3 Nm

Note. Note installation position of seal -A- during assembly.

AIR DISTRIBUTION HOUSING

Removing

Scheme 41

Remove the heater unit. Refer to HEATER .

Unplug the connectors on the air distributor housing.

Remove the heat exchanger together with the coolant pipes. Refer to HEAT EXCHANGE .

Remove the bolts -arrows- (1.4 Nm).

Remove the air distributor housing -1- from the heater unit -2-.

Installing

Install in reverse order of removal.

AIR DISTRIBUTION DOOR ADJUSTER

Removing

Remove the instrument panel. Refer to Removal and Installation .

Unclip flexible shaft from adapter for controls. Refer to FLEXIBLE AIR DISTRIBUTION SHAFT .

Scheme 42

Unscrew bolts -1- and remove adjusting unit for air distribution doors.

Installing

The arrows on the gears must align.

Position adjusting unit for air distribution doors and tighten bolts -1-.

Note. After installing, function of air distribution doors must be checked. Refer to FLEXIBLE AIR DISTRIBUTION SHAFT .

AIR DISTRIBUTION DOOR ADJUSTING UNIT

Removing

Remove the trim panel inside the driver footwell. Refer to Removal and Installation .

Remove left footwell vent. Refer to LEFT FOOTWELL VENT .

Scheme 43

Unclip cable at adjusting unit for temperature door -2-.

Disengage locking mechanism -1- and press adjusting unit for temperature door in -direction of arrow- until it reaches stop.

Remove adjusting unit for temperature door.

Installing

Install in reverse order of removal.

Note. After installing, function of temperature door must be checked. Temperature knob on hot air and fresh air controls must be able to moved easily and without catching from cold position to warm position.

HEATER PARTITION

Removing

1. Remove the plastic screws -2- and the partition-1-.

Installing

Install in reverse order of removal.

OUTSIDE AIR TEMPERATURE SENSOR -G17

Note. The outside air temperature sensor is located behind the air grille in the center.

Removing

1. Remove the air grille from out of the bumper cover retainer. Refer to «REMOVAL AND INSTALLATION»(ref-514670-S35166648962012112100000) .
2. Unclip the outside air temperature sensor -1- from the bracket and loosen the electric connector.
3. Install the outside air temperature sensor in reverse order of removal.

Scheme 44

VENTILATION FRAME

Special tools and workshop equipment required

1. Trim Removal Wedge -3409

1. Remove the rear bumper cover. Refer to «REMOVAL AND INSTALLATION»(ref-514670-S35166648962012112100000)
2. Release the tabs -2- using the -3409- -1- and remove the vent frame -3- from the side panel.

Installing

Install in reverse order of removal.

Scheme 45

Scheme 46

Remove the heater unit. Refer to HEATER .

Remove the air distributor housing. Refer to AIR DISTRIBUTION HOUSING .

Remove the clamps -2- and the screws -arrows- from the heater unit.

Separate the heater unit.

Assembling

Assemble in reverse order.