Components In Engine Compartment and Rear of Vehicle

Components In Engine Compartment And Rear Of Vehicle







1 - Sun roof with solar cells
- Checking function.
2 - Service connection
- Low pressure side
- For measuring, discharging and filling
- Closing cap with seal, reinstall after using service valve
3 - Dust and pollen filter
- Observe replacement intervals 8E
- Different versions (with and without active-carbon-filter element.
4 - Threaded connection in refrigerant line (with restrictor)
- Refrigerant circuit must be drained before opening threaded connection.
5 - Service connection
- High pressure side
- For measuring, discharging and filling
- Closing cap with seal, reinstall after using service valve
6 - Air Quality Sensor G238
7 - Heated Windshield Control Module J505.
- Removing and Installing Electrical equipment
8 - Accumulator
- Always discharge refrigerant circuit before removing.
9 - Coolant Fan Control (FC)Control Module J293 2)
- Request for activation of Coolant Fan V7 is transmitted by operating and display module, Climatronic Control Module J255 by way of CAN-Bus system to relevant engine control module.
- Switches Coolant Fan V7 infinitely to desired output
- Different versions are installed at different locations depending on.
- Checking (reading measuring value block, display group "014"),, "Guided Fault-Finding" Vehicle Diagnosis, Testing Info. System VAS5051B or Vehicle Diagnosis Service Syst. VAS5052
10 - Condenser
- Always discharge refrigerant circuit before removing.
- Removing and Installing refrigerant lines.
- Removing and Installing condenser.
11 - Outside Air Temperature Sensor G17
- Removing
- Disconnect connector at Outside Air Temperature Sensor G17 and remove from mount in air guide.
- Resistance values
- 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
12 - A/C Compressor Regulator Valve N280 1), 2)
- Checking activation and function
13 - Compressor
- Removing compressor from bracket/reinstalling.
- Removing refrigerant line at compressor/installing.
- Removing and mounting compressor.
- Type of compressor differs depending on engine (installed to right or left of engine, 6-cyl. engine, 8-cyl. engine).
- Different types of compressor are installed depending on country version (e.g. "Denso" type designation "6 SEU" for Europe and "7 SEU" for hot countries).
- Replacing belt pulley.
- Checking and replacing compressor drive unit.

CAUTION: Refrigerant circuit must be discharged before removing compressor.

14 - High Pressure Sensor G65 1)
- Function, removing and installing.
- Measuring value of High Pressure Sensor G65 is displayed in measuring value block (display group "001") of operating and display module, Climatronic Control Module J255 and
15 - Air extractor
- Sealing lips of air extraction vent must move freely and close automatically
- To ensure proper functioning of passenger compartment ventilation, air guides must not be blocked by luggage compartment lining.