Automatic Climate Control System - Climatronic

Climatronic Control Module J255, Electrical Connections

Climatronic Control Module J255, electrical connections A, B C multi-pin connector assignments

Special tools, testers and auxiliary items required







- Test Box 105 Pin VAG1598/42
- Test Adapter VAG1598/47
- Template V.A.G 1598/47-2







20-pin harness connector, connector housing -A-, in wiring diagram T20c
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
5 - CAN-High
6 - CAN Low
7 - Indirect Ventilation Flap Motor V213
8 - Indirect Ventilation Flap Motor V213
9 - 5V for Sunlight Photo Sensor 2 G134 or Sunlight Photo Sensor G107
10 - Drivers Heated Seat Adjuster E94 (optional)
11 - Front Passengers Heated Seat Adjuster E95 (optional)
12 - Terminal 75 (optional)
13 - Left Vent 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 (GND) 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, connector housing -B-, in wiring diagram T16i
1 - 5V for actuator motors
2 - Left Temperature Flap Potentiometer/Actuator G220
3 - Right Temperature Flap Potentiometer/Actuator G221
4 - Defroster Flap Motor Position Sensor G135
5 - Central Flap Motor Position Sensor G112
6 - Recirculation Flap Motor Position Sensor G143
7 - Back Pressure Flap Motor Position Sensor G113
8 - Left Footwell Vent Temperature Sensor G261
9 - Right Footwell Vent Temperature Sensor G262
11 - Evaporator Vent Temperature Sensor G263
14 - Signal Ground (GND) potentiometer







16-pin harness connector, connector housing -C-, in wiring diagram T16h
1 - Left Temperature Flap Motor V158, cold
2 - Left Temperature Flap Motor V158, warm
3 - Defroster Flap Motor V107, closed
4 - Defroster Flap Motor V107, open
5 - Central Air Flap Motor V70, upper body vent
6 - Central Air Flap Motor V70, footwell
7 - Recirculation Flap Motor V113
8 - Recirculation Flap Motor V113
9 - Air Flow Flap Motor V71, open
10 - Air Flow Flap Motor V71, close
11 - Right Temperature Flap Motor V159, cold
12 - Right Temperature Flap Motor V159, warm
15 - Fresh Air Blower Control Module J126
16 - Fresh Air Blower Control Module J126, signal