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Home >> Volkswagen >> 2007 >> Eos 3.2 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> 87 Air Conditioning >> Description And Operation >> CLIMATRONIC A/C System With Automatic Controls >> Multi-Pin Connector Assignment On Rear Of CLIMATRONIC Control Module, From 18 May 2008 Through 05 November 2010
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Multi-Pin Connector Assignment On Rear Of CLIMATRONIC Control Module, From 18 May 2008 Through 05 November 2010

Special tools and workshop equipment required 

20-Pin Harness Connector -A-, T20c 

Fig 1: Identifying 16-pin Harness Connector -B-, T16i
GWWN87-10530Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Sunlight Photo Sensor 2 -G134- or Sunlight Photo Sensor -G107-, signal

2 - High Pressure Sensor -G65-

3 - Sunlight Photo Sensor 2 -G134- or Sunlight Photo Sensor -G107-, signal

4 - Air Quality Sensor -G238-

5 - CAN bus high

6 - CAN bus low

7 - Indirect ventilation door control motor -V213-

8 - Indirect ventilation door control motor -V213-

9 - + 5 volt for Sunlight Photo Sensor 2 -G134- or Sunlight Photo Sensor -G107-

10 - Heated driver seat adjuster -E94- (optional)

11 - Heated front passenger seat adjuster -E95- (optional)

12 - Terminal 75 (optional)

13 - Left Vent Temperature Sensor -G150-

14 - Right Vent Temperature Sensor -G151-

15 - Indirect ventilation door motor position sensor -G330-

16 - Terminal 30a without auxiliary heater terminal 15

17 - Signal ground for Sunlight Photo Sensor -G107-, Sunlight Photo Sensor 2 -G134-, Left vent temperature sensor -G150-, Right vent temperature sensor -G151- and Indirect ventilation door motor -V213-

18 - A/C Compressor Regulator Valve -N280-

19 - Terminal 31

20 - Terminal 30a without auxiliary heater terminal 15

16-Pin Harness Connector -B-, T16i 

Fig 2: Identifying 16-pin Harness Connector -B-, T16i
GWWN87-10530Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - + 5 volt for motor

2 - Left Temperature Door Potentiometer/Actuator -G220-

3 - Right Temperature Door Potentiometer/Actuator -G221-

4 - Defroster Door Motor Position Sensor -G135-

5 - Front Air Distribution Door Motor Position Sensor -G642-

6 - Recirculation Door Motor Position Sensor -G143-

7 - Fresh Air/Recirculating Air/Back Pressure Door Motor Position Sensor -G644-

8 - Left Footwell Vent Temperature Sensor -G261-

9 - Right Footwell Vent Temperature Sensor -G262-

11 - Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor -G308-

14 - Signal Ground (GND) potentiometer

16-Pin Harness Connector -C-, T16h 

Fig 3: Identifying 16-pin Harness Connector -B-, T16i
GWWN87-10530Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Left temperature door motor -V158-, cold

2 - Left temperature door motor -V158-, warm

3 - Defroster door motor -V107-, closed

4 - Defroster door motor -V107-, open

5 - Front air distribution door motor -V426-, upper body outlet

6 - Front air distribution door motor -V426-, footwell

7 - Recirculation door motor -V113-

8 - Recirculation door motor -V113-

9 - Fresh air/recirculating air/back pressure door motor -V425-, open

10 - Fresh air/recirculating air/back pressure door motor -V425-, closed

11 - Right temperature door motor -V159-, cold

12 - Right temperature door motor -V159-, warm

15 - Fresh air blower control module -J126-

16 - Control module for fresh air blower -J126-, signal