Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Multi-Pin Connector Assignment On Rear Of CLIMATRONIC Control Module, From 08 November 2010
Special tools and workshop equipment required
- Test Box V.A.G 1598/42
- Adapter Cable V.A.G 1598/47
- Template V.A.G 1598/47-2
20-Pin Harness Connector -A-, T20c
1 - Sunlight Photo Sensor 2 -G134- or Sunlight Photo Sensor -G107-, signal
2 -
3 - Sunlight Photo Sensor 2 -G134- or Sunlight Photo Sensor -G107-, signal
5 - High speed CAN Bus
6 - Low speed CAN Bus
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- (from January 2004)
14 - Right Vent Temperature Sensor -G151- (from January 2004)
16 - Terminal 30a/ terminal 15
17 - Signal Ground (GND) for Sunlight Photo Sensor -G107-, Sunlight Photo Sensor 2 -G134-, Left Vent Temperature Sensor -G150- and Right Vent Temperature Sensor -G151-.
18 - A/C Compressor Regulator Valve -N280-
19 - Terminal 31
20 - Terminal 30a/ terminal 15
16-Pin Harness Connector -B-, T16c
1 - + 5 volt for motors
2 - Left Temperature Door Potentiometer/Actuator -G220-
3 - Right Temperature Door Potentiometer/Actuator -G221-
4 - Defroster Door Motor Position Sensor -G135-
5 - Central Door Motor Position Sensor -G112-
6 - Recirculation Door Motor Position Sensor -G143- (through December 2003) Temperature Regulator Door Motor Position Sensor -G92- (from January 2004)
7 - Back Pressure Door Motor Position Sensor -G113-
8 - Left Footwell Vent Temperature Sensor -G261-
9 - Right Footwell Vent Temperature Sensor -G262-
10 - Fresh Air Intake Duct Temperature Sensor -G89- (through September 2005)
11 - Evaporator Temperature Sensor -G308- or Evaporator Vent Temperature Sensor -G263-
14 - Signal Ground (GND) potentiometer
15 - Left Vent Temperature Sensor -G150- (through December 2003)
16 - Right Vent Temperature Sensor -G151- (through December 2003)
16-Pin Harness Connector -C-, T16d
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 - Central Air Door Motor -V70-, upper body outlet
6 - Central Air Door Motor -V70-, footwell
7 - Fresh/Recirculation Air Door Motor -V154- air recirculation activation (through December 2003) Air Recirculation Door Motor -V113- (from January 2004); motor function deleted (from June 2007) by the Fresh Air/Recirculating Air/Back Pressure Door Motor -V425- and mount.
8 - Fresh/Recirculation Air Door Motor -V154- fresh air activation (through December 2003) Air Recirculation Door Motor -V113- (from January 2004)
9 - Air Flow Door Motor -V71-, open
10 - Air Flow Door Motor -V71-, close
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
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.