Multi-Pin Connectors A, B And C On Rear Of CLIMATRONIC Control Module, Pin Assignment

Special tools and workshop equipment required

Test box V.A.G 1598/42
Adapter cable V.A.G 1598/47
Template 1598/47-2

20-Pin Harness Connector, in Wiring Diagram T20c

Fig 1: Identifying 20-pin Harness Connector, T20c

Courtesy of VOLKSWAGEN GROUP OF AMERICA, 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 High

6 - CAN Low

7 - Indirect ventilation door control motor -V213-

8 - Indirect ventilation door control motor -V213-

9 - + 5V 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 - Outlet temperature sensor -G150-

14 - Right Vent Temperature Sensor -G151-

15 - Indirect ventilation flap 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 flap motor -V213-

18 - A/C Compressor Regulator Valve -N280-

19 - Terminal 31

20 - Terminal 30a/without auxiliary heater terminal 15

16-Pin Harness Connector, in Wiring Diagram T16c

Fig 2: Identifying 16-pin Harness Connector, T16c

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 - + 5V for motors

2 - Temperature Regulator Door Motor Position Sensor -G220-

3 - Right Temperature Door Potentiometer/Actuator -G221-

4 - Defroster Door Motor Position Sensor -G135-

5 - Front air distribution flap motor position sensor -G642-

7 - Fresh air/recirculating air/back pressure flap motor position sensor -G644-.

8 - Footwell Outlet 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, in Wiring Diagram T16d

Fig 3: Identifying 16-pin Harness Connector, T16d

Courtesy of VOLKSWAGEN GROUP OF AMERICA, 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 flap motor -V426-, upper body outlet

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

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

10 - Fresh air/recirculating air/back pressure flap 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