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Climatronic Control Module J255, Multi-Pin Connector Assignments



Climatronic Control Module J255, Multi-pin Connector Assignments

Special tools, testers and auxiliary items required
- Test Box 105 Pin VAG1598/42







- adapter cable VAG 1598/47
- Template 1598/47-2







20-pin electrical connection, T20c -A-
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 Bus - High
6 CAN Bus - Low
9 + 5 V for Sunlight Photo Sensor 2 G134 or Sunlight Photo Sensor G107
16 Plus connection (15a) in vehicles with auxiliary heater
17 Signal Ground (GND) for sensors
18 A/C Compressor Regulator Valve N280
20 Plus connection (15a); in vehicles with auxiliary heater plus connection (30a)







16-pin electrical connection, T16c -B-
1 + 5 V for control 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
10 Fresh Air Intake Duct Temperature Sensor G89 only installed through December 2005
11 Evaporator Temperature Sensor G308 or Evaporator Vent Temperature Sensor G263
14 Signal Ground (GND) potentiometer







16-pin electrical connection, T16d -C-
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 outlet
6 Central Air Flap Motor V70, footwell
7 Fresh/Recirculating Air Door Motor V154, recirculated air activation
8 Fresh/Recirculating Air Door Motor V154, fresh air activation
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 V2 (PWM activation)
16 Fresh Air Blower V2, return message signal