Passenger Compartment

NOTES:
- After performing repairs, always check and erase DTC memory, perform basic setting and also check coding of A/C control head -E87-.
- Checking cooling efficiency.
- A/C system servicing. Servicing
- All components identified with an asterisk (*) are activated during the output Diagnostic Test Mode (DTM).
- Note different codings for A/C control head -E87-.
- An electrical test can be performed on all components identified with a double asterisk (**).
- Rear center vent and air ducts in air conditioner unit and in vehicle interior. Service and Repair

1 - Actuator for temperature flap left -V158- *
- With potentiometer -G220-
- Removing and installing Service and Repair
2 - Sender for outlet temperature, floor outlet -G192- **
3 - Not applicable
4 - Heater core
- Removing and installing Service and Repair
5 - Kickdown switch
- Engine Control Module (ECM) can deactivate A/C clutch depending on current vehicle speed and required degree of acceleration Via Read Measuring Value Block.
6 - Data Link Connector (DLC) for VAG1551 Scan Tool (ST)
- Connecting VAG1551 and testing electrical/electronic components of air conditioning system.
7 - Left vent temperature sensor -G150- **
8 - Instrument panel vent, left
9 - Defroster vent for side window, left
10 - Outside air temperature display -G106- *
- The ambient temperature can be displayed in °C or in °F depending on setting of -E87-.

NOTE: If the display shows incorrect temperatures, check measured values for temperature sensors.

11 - Windshield defroster vent
- Removing and installing Service and Repair
12 - Sunlight photo sensor -G107-**
13 - A/C control head -E87-
- Removing and installing Service and Repair
- Different types depending on whether vehicle has heated seats
- Different version on vehicles with and without radio navigation system
- Different versions for air conditioner versions 1 and 2 Application and ID

NOTE: The display panel and control buttons are illuminated with LEDs

14 - Instrument panel interior temperature sensor -G56- and interior temperature sensor fan -V42-
- Integrated into A/C control head -E87-; cannot be replaced individually
15 - Air conditioner unit with evaporator
- Different versions Application and ID
- Removing and installing Complete Air Conditioner Unit, Removing and Installing
- Dismantling and assembling Air Conditioner Unit, Disassembling and Assembling

CAUTION! Only remove the air conditioner unit when the refrigerant has been discharged from the A/C system.

16 - Footwell vent
- Can only be replaced when air conditioner unit is removed
17 - Central air flap motor -V70-*
- With central flap motor position sensor -G112-
- Removing and installing Service and Repair
18 - Actuator for temperature flap right -V159- *
- Removing and installing Service and Repair
- With potentiometer-actuator for temperature flap right -13221-
19 - Defroster flap motor -V107- *
- With defroster flap motor position sensor -G 135-
- Different versions for air conditioner versions 1 and 2
- Removing and installing Service and Repair
20 - Fresh air blower -V2- **
- Removing and installing Service and Repair
- Different versions for air conditioner versions 1 and 2
21 - Right vent temperature sensor, -G151- **
22 - Instrument panel vent, right
23 - Defroster vent for side window, right
24 - Fresh air intake duct temperature sensor -G89- **
25 - Air flow flap motor -V71- *
- Actuates air flow flap and fresh air/recirculated air flap
- With back pressure flap motor position sensor -G113- 26 - Control module for fresh air blower -J126- **
27 - Evaporator housing drain
- Checking Service and Repair
28 - Instrument panel vent, center
- Removing and installing Service and Repair