Operation CHARM: Car repair manuals for everyone.

Component Group 2







Component Group 2






1 - Right Front Seat Temperature Sensor (G345) and Right Front Heated Seat (Z46)

Seat heater is not installed in all vehicles (optional equipment).

Vehicles with automatically regulated A/C system: activation of seat heater is displayed in measured value block of Climatronic Control Module (J255) , checking use Vehicle diagnosis, testing and information system (VAS5051B) in "Guided Fault Finding".

Vehicles with manually regulated A/C system: function and activation of seat heater check using Vehicle diagnosis, testing and information system (VAS5051B) in "Guided Fault Finding".

Seat heating, servicing.

From MY 2009, as a running change, the Climatronic control module (J255) (or control modules for seat heating) is being installed, whereby the specified temperature is set to a lower characteristic line. Refer to Vehicle diagnosis, testing and information system (VAS5051B) in "Guided Fault Finding" and to the Electronic Parts Catalog.

2 - Right Footwell Vent

Removing and installing vent.

3 - Right Vent Temperature Sensor (G151)

Not installed on vehicles with manually regulated A/C system.

Removing and installing, refer to => [ Right Vent Temperature Sensor (G151) ] Right Vent Temperature Sensor (G151).

4 - Evaporator Drain Hose

Checking, removing and installing, refer to => [ Condensate Drain Hose, Checking ] Condensate Drain Hose, Checking.

5 - Sunlight Photo Sensor (G107)

Not installed on vehicles with manually regulated A/C system.

Removing and installing, refer to=> [ Sunlight Photo Sensor (G107) ] Service and Repair.

6 - Cover For Loudspeaker In Center Instrument Panel

7 - Defroster Vent

For front windshield.

Removing and installing.

8 - Light Emitting Diode for Central Locking System

Removing and installing.

9 - A/C Unit With Evaporator and Add-On Components

Air guide in air conditioner and in vehicle. Refer to => [ Air Guide In Air Distribution Housing ] Air Guide In Air Distribution Housing.

Components of heating & A/C unit in passenger compartment. Refer to=> [ Heating & A/C Unit Components - Manually Regulated A/C System ] Heating & A/C Unit Components - Manually Regulated A/C System or => [ Heating & A/C Unit Components - Automatically Regulated A/C System ] Heating & A/C Unit Components - Automatically Regulated A/C System.

Clean air conditioning system evaporator with Ultrasound A/C Cleaner (VAS 6189). Refer to=> [ Evaporator, Cleaning ] Evaporator, Cleaning.

Heating and A/C unit, removing and installing, refer to => [ A/C Unit ] A/C Unit.

10 - Defroster Vent

Side window/passenger side.

11 - Instrument Panel Vent, Right

Removing and installing instrument panel vents. Refer to=> [ Instrument Panel Vent ] Instrument Panel Vent.