Control Module HVAC

Climatronic Control Module, Multi-Pin Harness Connectors

Special tools, testers and auxiliary items 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 - 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
4 From 11.05.07 air quality sensor (G238), signal
5 CAN High
6 CAN Low
9 + 5V for sunlight photo sensor 2 (G134) or sunlight photo sensor (G107)
10 Driver heated seat control module (J131) (optional)
11 Front Passenger's Heated Seat Control Module (J132) (optional)
12 Terminal 75 (optional)
13 Left Vent Temperature Sensor (G150)
14 Right Vent Temperature Sensor (G151)
16 Positive connection (15a) or on vehicles with auxiliary heater and air quality sensor (G238) positive connection (30a)
17 Sensor signal ground
18 A/C Compressor Regulator Valve (N280)
19 Terminal 31
20 Positive connection (15a) or in vehicles with auxiliary heater positive connection (30a)

16-pin harness connector, in wiring diagram T16c - B -





1 + 5V for control 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 Vehicles through 04.07 recirculation door motor position sensor (G143). Vehicles from 05.07 recirculation door motor position sensor (G143) discontinued
7 Vehicles through 04.07 back pressure door motor position sensor (G113). Vehicles from 05.07 fresh air/recirculating air/back pressure door motor position sensor (G644)
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 harness connector, in wiring diagram T16d - C -





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 Vehicles through 04.07 recirculation door motor (V113), recirculation activation. From 05.07, recirculation door motor (V113) discontinued
8 Vehicles through 04.07 recirculation door motor (V113), fresh air activation. From 05.07, recirculation door motor (V113) discontinued
9 Through 04.07 air flow door motor (V71), open. From 05.07 fresh air/recirculating air/back pressure door motor (V425) (recirculation/partial recirculation)
10 Through 04.07 air flow door motor (V71), closed. From 05.07 fresh air/recirculating air/back pressure door motor (V425) (recirculation/back pressure)
11 Right Temperature Door Motor (V159), cold
12 Right Temperature Door Motor (V159), warm
15 Fresh Air Blower (V2) (PWM activation)
16 Fresh Air Blower (V2), return message signal