Question about 2009 Volkswagen Tiguan

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Tiguan no internal air circulation

It appears switching to internal air circulation does still allow external air into the vehicle.

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Your air con system will have a fresh / resirc system apart from on defrost, which is only external air.
the blower motor up under the dashboard on most cars, will have a flap which is either cable or switch operated. I assume this flap is either jammed, broken, or the device which operates it is same,
take the glovebox out and you should see the flap.
note...its all plastic so dont force anything!
cheers
Roger

Posted on Apr 15, 2014

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I have an 08 pontiac Grand Prix I have no heat I've checked all fluids replaced the thermostat and water outlet valve still no heat you can hear it switch over to heat but only blows cold air any...


Although you can hear the catuator it doesnt mean the flap itself is moving over. Double check it and if necessary switch it over manually to check it. One other thing you may want to check, is whether or not your vehicle has a diverter valve in the hood. A lot of newer vehicles never allow hot coolant to circulate through the heater core until u specifically request it, this keeps the car cooler inside and the ac doesn't work as hard to circulate. So if it goes faulty on some vehicles you wont get hot air because there is no hot coolant in the pipes..lol

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Start then cut off,won't start back smell gas check spark plugs. they were wet


The fuel pump pressurizes the system and circulates fuel past your fuel injectors. A fuel pressure regulator makes sure there is adequate pressure on the line for the injectors to release the proper amount of fuel when they open (rough explanation). The fuel injectors are controlled by the computer, not really the gas pedal. The computer handles everything for the fuel injection. The gas pedal just opens the throttle plate, allowing more air in. More air needs more fuel, more air and fuel = more power. It all happens very, very fast. Anyway, cranking the vehicle will result in fuel being injected into the cylinders. Without it burning off, yes it could accumulate on the spark plugs and they would appear wet. To work properly, the engine needs (basically) air, fuel, spark, and compression. The timing has to be perfect too.
Look up a quick test on the IPDM ECM relay test. You swap the relay for the computer with one for foglights and test to see if it'll start. That ECM relay has been know to rust internally and fail. Swapping with the foglight relay is merely for testing/troubleshooting purposes. If it works, then you should purchase the proper relay.
There could be many other causes, but this one is pretty easy to try.

Apr 01, 2014 | 2006 Nissan Pathfinder

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Temp gauge keeps rising like its going to run hot. No heat just cold air......had radiator flushed about a month ago


No heat is meaning the coolant isn't circulating, so it could be a few things.
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Where is the switch to open the petrol cap on the tiguan?


The Volswagen Tiguan fuel door requires the doors of the vehicle to be unlocked and then you simply click it and it pops open.

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Please do rate my response. Thanks!

Dec 18, 2010 | 2009 Volkswagen Tiguan

1 Answer

Howcanyoutellimportonvwtouran


I would imagine you could tell if a VW was imported or not by what units the speedo was in, km or mph.

http://en.wikipedia.org/wiki/Volkswagen_Tiguan

{ ... The production Tiguan was released at the 2007 Frankfurt Motor Show, and debuted as a 2008 model for Europe and elsewhere and in North America as a 2009 model. Sales of the Tiguan in Canada began in April 2008.
...
The import version of Tiguan appears on the Chinese market in 2009, but soon a locally built version (aka Shanghai-Volkswagen Tiguan) was revealed at 2009 Guangzhou Motor Show. The Chinese-built Tiguan uses 1.8TSI (118kW) and 2.0TSI (147kW), and has a revised front facia. At the same time the import Tiguan is still sold in China, which has 2.0TDI and R-Line kit as highlights. The basic design of the import model is the same as the international one. In order to differ locally-built and import models, Shanghai-VW Tiguan is given a Chinese name, known as ?? (tuguan), and the import one keeps the original letter name.
...}

Jul 10, 2010 | 2009 Volkswagen Tiguan

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I have a 1998 buick Regal and the heater does not work. When I am stopped the air from the vents blows cold but when I'm driving the heater starts to get warm again. This issue just started today (first...


I beleive that you may have low coolant because as your vehicle warms up the coolant volume increases which would give you just enough coolant to circulate to the heater core. When you are stopped your water pump also isn't circulating as fast and sending that little bit of coolant to your heater core, I imagine that if you top up your radiator or resevoir with coolant your problem should disappear. Keep an eye on it to see if it goes down again as this might just be air coming out of the system or it might indicate a leak either external (drip) or internal (whitish smoke in warm weather). Hope this helps.

Dec 09, 2009 | 1998 Buick Regal

2 Answers

When i press the ac button it blinks three times but does not turn on. 2007 Tahoe LT


If your vehicle is equipped with automatic climate control, this should help.

Recirculation Operation
The HVAC control module controls the air intake through the recirculation actuator. The recirculation switch closes the recirculation door in order to circulate the air within the vehicle. The outside air switch opens the recirculation door in order to route outside air into the vehicle. Regardless of the blower motor switch position, recirculation is available only in the panel and bi-level mode switch positions. Including the OFF position. The mode switch must be placed in either the panel or bi-level position before the blower motor switch is placed in the OFF position. In order to reduce windshield fogging, outside air is circulated when the mode switch is in the defrost or defog positions. If the recirculation switch is pressed into the ON position when the mode switch is in an unavailable mode position, then the recirculation switch LED will flash 3 times. If the HVAC control module detects a fault with the recirc door the HVAC control module will try to drive the actuator for a predetermined amount of time, to outside air, which is the defaulted position for the recirculation actuator

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2 Answers

Heat blow cold air


most likely a problem with the water circulation around the heater core. if you've never used the heater, some vehicles have a hot water shut-off valve for the heater hoses. another possibility is the thermostat had been removed. the easiest way is to start the vehicle and slowly allow it to warm up monitoring the water temperature. it should heat up to normal water temperature, then heat up and then drop down. the thermostat is usually around 180 degrees or 192 degrees. it allows the water around the engine block to heat up then once it reaches 180 or whatever it opens up circulating the cooler water from the radiator into the engine block and pushing the hotter water into the radiator to cool off. no thermostat, then the water keeps constantly circulating not allowing it to properly heat up. this can slow the heater down, lower fuel economy, alot of things especially in the winter driving...

Oct 03, 2009 | 2001 Ford Focus

2 Answers

Airride suspension won't deflate only inflate


It will only process a "down command" if it thinks all the doors are closed. If you have a bad door switch, it won't lower. Any courtesy lights on with doors closed?
The dealer can conduct a diagnostic scan test and retrieve any codes that will help identify the bad circuit. Did they do that?

Do you have 4 wheel air suspension or just rear?

Assuming rear only:
The system consists of unique rear air springs, the air compressor, air lines, air spring solenoids, height sensor, air suspension control module, attachments and associated signals derived from both driver and road inputs. With these components and signals, the air suspension control module commands changes in vehicle height that are necessary for the load leveling features.
The load leveling feature rear air suspension (RAS) systems shall automatically make adjustments in vehicle height so that the vehicle is always at trim height and constant front-to-rear vehicle attitudes are maintained over the expected load range of the vehicle. Adjustments in height that are necessary to correct height differences between the vehicle's left and right sides for the RAS system shall be restricted to what can be reliably achieved with one air suspension height sensor.
The system uses one air suspension height sensor, a steering sensor, generic electronic module (GEM) and other vehicle sensors to measure driver and road inputs. The system changes vehicle height using an air compressor, two air lines and the use of air springs with air spring solenoids.

Note this section.
The air suspension system holds vehicle height when the rear hatch or any door is opened. The system stores rear vehicle height the moment any open door is detected. The system then maintains this height regardless of the addition or removal of a load. The system will return to its commanded height when all doors are closed or the vehicle speed exceeds 16 km/h (10 mph).

Air Suspension Switch
The air suspension switch supplies power to the air suspension control module. Without the air suspension control module receiving this power, the load leveling system is inoperative and will not react when the rear of the vehicle is raised or lowered. If the air suspension system is disabled by turning off the air suspension switch, a "CHECK SUSP" will appear in the RH corner of the instrument cluster with the ignition in the run position.
--------------------------------------------------------------------
The vent solenoid:
  • allows air to escape from the system during venting actions.
  • is part of the air compressor cylinder head.
  • has a 1,103 kPa (160 psi) internal relief valve.
  • shares a common electrical connector with the air compressor motor.
  • is enclosed in the cylinder head casting, which forms an integral valve housing that allows the valve tip to enter the pressurized side of the system.
  • has an O-ring seal that prevents air leakage past the valve tip.
  • opens when the air suspension control module determines lowering is required.
  • provides an escape route for pressurized air that opens when system pressures exceed safe operating levels.
  • is replaced with the air compressor as a unit.
---------------------------------------------------------------
Air Suspension Height Sensor
One air suspension height sensor is mounted on the vehicle. The air suspension height sensor sends a voltage signal to the air suspension control module. The output ranges from approximately 4.75 volts at minimum height (when the vehicle is low or in full jounce), to 0.25 volts at maximum height (when the vehicle is high or in full rebound). The air suspension height sensor has a useable range of 80 mm (3.2 in) compared to total suspension travel of 200-250 mm (8 to 10 in) at the wheel. Therefore, the air suspension height sensor is mounted to the suspension at a point where full rear suspension travel at the wheel is relative to 80 mm (3.2 in) of travel at the air suspension height sensor. The air suspension height sensor is attached between the No. 5 frame crossmember (upper socket) and the panhard rod (lower socket).
When the air suspension height sensor indicates that the rear of the vehicle is lower than trim under normal driving conditions, the air compressor will turn on and pump compressed air to the air springs. When the sensor indicates that the rear of the vehicle is raised above trim under normal driving conditions, this will cause the air to be vented from the air springs to lower the vehicle back to its trim height level.
Compressor Relay
The compressor relay is energized by the air suspension control module to allow high current to flow from the battery to the compressor motor.
  • A solid state relay is used in the air suspension system for air compressor control. The relay incorporates a custom power metal oxide semi-conductor field effect transistor (MOSFET) and ceramic hybrid circuitry. The relay switches high current loads in response to low power signals and is controlled by the logic of the air suspension control module.
Air Suspension Control Module
NOTE: The 4WAS air suspension control module is used for the RAS system. The internal processor recognizes external circuitry to determine if it is installed in a 4WAS or a RAS equipped vehicle.
NOTE: The air suspension control module is calibrated with information from the air suspension height sensor. A new or exchanged air suspension control module requires a ride height adjustment calibration process to be performed.
The air suspension control module controls the air compressor motor (through a solid state relay), and the air spring solenoids. The air suspension control module also provides power to the air suspension height sensor. The air suspension control module controls vehicle height adjustments by monitoring the air suspension height sensor, vehicle speed, a steering sensor, acceleration input, the door ajar signal, transfer case signals, and the brake pedal position (BPP) switch. The air suspension control module also conducts all fail-safe and diagnostic strategies and contains self-test and communication software for testing the vehicle and related components.
The air suspension control module monitors and controls the air suspension system through a 32-pin two-way connector. The air suspension control module is keyed so that the air suspension control module cannot be plugged into an incorrect harness. There are two sides of the harness connection to the air suspension control module. Each is uniquely colored and keyed to prevent reversing the connections.
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May be a bad module too.

Apr 11, 2009 | 2000 Lincoln Navigator

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