Components In Passenger Compartment
Components In Passenger Compartment
NOTE: The following illustrations show a instrument panel of the type installed in a Saloon or Avant up to VIN 399999 in Model Year 2005. The shape of the instrument panel on a Cabrio or for a Saloon or Avant as of VIN 400000 in Model Year 2005 (for Saloon and Avant; gradual introduction for the Cabrio in week 46/04 without prior specification of any particular VIN) differs slightly from these illustrations.
1. Left Vent Temperature Sensor G150 1)
2. Diagnostic socket
- Performing air conditioner On Board Diagnostic (OBD)
3. Instrument cluster
- With Instrument Cluster Control Module J285 and Outside Air Temperature Display G106 2)
- The ambient temperature output by the operating and display module, Climatronic Control Module J255 is only displayed for example on vehicles with automatic transmission if a gear is engaged
- Checking measured values of temperature sensors if temperature reading is incorrect
- Measuring value of Outside Air Temperature Sensor G17 is evaluated by Instrument Cluster Control Module J285 and transmitted via CAN-Bus comfort system to operating and display module, Climatronic Control Module J255 "Guided Fault- Finding" Vehicle Diagnosis, Testing Info. System VAS5051B or Vehicle Diagnosis Service Syst. VAS5052
4. Accelerator pedal.
- Kick-down deactivation of the A/C Compressor Regulator Valve N280 is effected via the relevant engine control module "Guided Fault-Finding" Vehicle Diagnosis, Testing Info. System VAS5051B or Vehicle Diagnosis Service Syst. VAS5052
5. Left Temperature Flap Motor V158 2)
- With Left Temperature Flap Potentiometer/Actuator G220 1)
- Lever color code: Red
6. Auxiliary Air Heater Heating Element Z35 2)
- Not applicable in the USA
7. Heating core
8. Left Footwell Vent Temperature Sensor G261 1)
9. Right Footwell Vent Temperature Sensor G262 1)
10. Operating and display unit, Climatronic Control Module J255
- Different versions, assignment
- The Interior Temperature Sensor Fan V42 and the Instrument Panel Interior Temperature Sensor G56 are integrated into the operating and display module, Climatronic Control Module J255
- Observe additional notes
- Checking code and coding
- Display fields and buttons are illuminated by LEDs which cannot be replaced
- Depending on the date of issue, the operating and display module, Climatronic Control Module J255 may also be referred to as A/C Control Head E87 in various workshop publications (e.g. in wiring diagrams for vehicles up to Model Year 2004).
11. Interior Temperature Sensor Fan V42 2)
- Installed in operating and display module, Climatronic Control Module J255, cannot be replaced separately
12. - Instrument Panel Interior Temperature Sensor G56
- Installed in operating and display module, Climatronic Control Module J255, cannot be replaced separately
13. Defroster outlet vent
- For windshield
14. Sunlight Photo Sensor G107 1)
- Different versions for vehicles up to VIN 399999 and as of VIN 400000 in Model Year 2005 (for Saloon and Avant; gradual introduction for the Cabrio in week 46/04 without prior specification of any particular VIN); observe exact assignment
15. Fresh Air Intake Duct Temperature Sensor G89 1)
- Checking
16. Recirculation Flap Motor V113 2)
- With Recirculation Flap Motor Position Sensor G143
- Lever color code: Blue
17. Air Flow Flap Motor V71 2)
- This motor activates fresh-air and air flow flaps
- Only installed on left-hand drive vehicles
- With Back Pressure Flap Motor Position Sensor G113 1)
- Cam plate color code: Light blue
18. Right Vent Temperature Sensor G151 1)
19. Fresh Air Blower Control Module J126 and Fresh Air Blower V2 2)
- The Fresh Air Blower V2 contains the Fresh Air Blower Control Module J126 as an integral component which cannot be replaced separately.
20. Connection for air guide for cooling the glove compartment
- Vehicles without glove compartment cooling are installed with a plug (Fig.).
- For glove compartment cooling components.
21. Evaporator Vent Temperature Sensor G263 1)
NOTE: The evaporator may ice up if the Evaporator Vent Temperature Sensor G263 is not properly installed in the air conditioner air flow.
22. Central Air Flap Motor V70 2)
- With Central Flap Motor Position Sensor G112 1)
- Cam plate color code: White (black for right-hand drive vehicles)
23. Defroster Flap Motor V107 2)
- With Defroster Flap Motor Position Sensor G135 1)
- Lever color code: Dark green (light green for right-hand drive vehicles)
24. Right Temperature Flap Motor V159 2)
- With Right Temperature Flap Potentiometer/Actuator G221 1)
- Lever color code: dark purple (brown for right-hand drive vehicles)
25. Evaporator housing
- Checking
NOTE: Incomplete evaporator drainage may result in an odor nuisance.
26. Evaporator housing valve
27. Air conditioner with evaporator
- Always discharge refrigerant circuit before removing.