Climate Control Components, Passenger Compartment

Climate Control Components, Passenger Compartment






NOTE:
- After performing repairs, always check and erase the DTC memory, perform basic setting and check coding of A/C control head -E87-.
- A/C system cooling performance.
- A/C system servicing.
- All components identified with an asterisk (*) are actuated during output Diagnostic Test Mode (DTM).
- An electrical test is possible at all the components identified with two asterisks (**).
- The air outlets to the windshield (defrost) can only be replaced if the instrument panel is removed. Separate instrument panel and instrument panel cross member.

1 - Kick-down switch
- Depending on vehicle equipment and momentary vehicle speed, A/C clutch is switched off on acceleration by either Engine Control Module (ECM) or Transmission Control Module (TCM).
2 - A/C control head -E87-
- Replacing bulbs of A/C control head panel

NOTE:
- Vehicles with Nippondenso compressor may only have A/C control heads beginning with index installed
- Depending on the equipment level of the vehicle, different versions of A/C control head -E87- are installed (with and without sensor for air quality, etc.).

3 - Instrument panel interior temperature sensor -G56- **
4 - Data Link Connector (DLC) for VAG1551 Scan Tool (ST)
- Connecting VAG1551 and testing A/C system.
5 - Lower air outlet in right (left) of instrument panel
6 - Upper air outlet in right (left) of instrument panel
7 - Side window air outlet in right (left) of instrument panel
8 - Right center vent switch -F184-**
9 - Center vent position sensor -G142-**
10 - Sunlight photo sensor -G107-**
11 - Left center vent switch -F183-**

12 - Auto check system with outside air temperature display -G106- *
- Outside air temperature supplied by -E87- is only displayed when a Drive mode is engaged.
- For vehicles with A/C control head -E87- with part number as of index "M", the displayed temperature is calculated directly in the instrument cluster and displayed there with the selected unit of °C or °F.

NOTE: If readout is faulty, test measured values of temperature sensors.

13 - Condensation drain hose (with valve) on passenger side
14 - Right footwell flap motor -V109- *
- With right footwell flap motor position sensor -G140-
15 - Right vent temperature sensor -G151- **
16 - Temperature regulator flap motor -V68- *
- With temperature regulator flap motor position sensor -G92-
17 - Heater core, passenger side
18 - Right center vent motor -V111- *
- With right center vent motor position sensor -G137-
19 - Left vent temperature sensor -G150- **
20 - Defroster flap motor -V107- *
- With defroster flap motor position sensor -G135-
21 - Left center vent motor -V110- *
- With left center vent motor position sensor -G136-
22 - Interior temperature sensor fan -V42-
23 - Rear footwell vent motor -V112- *
- With rear footwell vent motor position sensor -G141-
24 - Center vent adjusting motor -V102- *
- With center vent motor position sensor -G138-
25 - Left footwell flap motor -V108- *
- With left footwell flap motor position sensor -G139-
26 - Heater core, driver side
27 - Condensation drain hose (with valve) on driver side