Climatronic Control Module J255 Pin Assignment, Manual Climate Control System, from 30 May 2011

Climatronic Control Module J255 Pin Assignment, Manual Climate Control System, from 30 May 2011

Special tools, testers and auxiliary items required

• Test Box (basic unit) (V.A.G 1598/14)

• Test adapter (V.A.G 1598/47)

• Template (V.A.G 1598/47-2)






5-pin Connector - A - in Wiring Diagram T5

1 3rd Blower Speed
2 2nd Blower Speed
3 1st Blower speed
4 4th Blower Speed
5 Terminal X and depending on the vehicle equipment level Auxiliary Heater Operation Relay (J485)

16-pin Connector - B - in Wiring Diagram T16e

1 Temperature Door Motor (V68) - set to warm
2 Evaporator Temperature Sensor (G308)
3 Air Distribution Door Motor Position Sensor (G645)
5 Temperature Regulator Door Motor Position Sensor (G92)
7 +5V
8 Ground signal
9 Recirculation Door Motor (V113) set to open
10 Recirculation Door Motor (V113) set to closed
11 Temperature Door Motor (V68) - set to cold
12 Air Distribution Door Motor (V428) , set to position 1
13 Air Distribution Door Motor (V428) , set to position 2

20-pin Connector - C - in Wiring Diagram T20c

5 High Pressure Sensor (G65)
7 CAN Bus Low
8 CAN Bus High
12 Right seat heater (optional)
13 Left seat heater (optional)
15 Terminal 75 seat heater (optional)
16 A/C Compressor Regulator Valve (N280)
19 Terminal 30A
20 Terminal 31