Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97SAB
MODEL 221.0 /1 control unit N22/1, Sheet 2
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 80L |
| A32 | AC air recirculation unit | 20L |
| A32m1 | Blower motor | 22L |
| A32n1 | Blower regulator | 19L |
| A9 | Refrigerant compressor | 26L |
| A9 | Refrigerant compressor | 28L |
| A9 | Refrigerant compressor | 24L |
| A9 | Refrigerant compressor | 30L |
| B10/30 | Non-ventilated interior air in-car temperature cockpit sensor | 72L |
| B10/31 | Left side outlet temperature sensor | 73L |
| B10/32 | Right side outlet temperature sensor | 78L |
| B10/35 | Left footwell temperature sensor | 74L |
| B10/36 | Right footwell temperature sensor | 77L |
| B10/6 | Evaporator temperature sensor | 75L |
| B12 | Refrigerant pressure sensor | 13L |
| B31/1 | AAC [KLA] multifunction sensor | 39L |
| B32/2 | AAC [KLA] 4-way sun sensor | 41L |
| F32 | Front prefuse | 43L |
| F32/4 | Interior prefuse box | 43L |
| F32/4f7 | Fuse 7 | 43K |
| F32f5 | Fuse 5 | 43K |
| M2/10 | Left footwell flap actuator motor | 63L |
| M2/10 | Left footwell flap actuator motor | 64L |
| M2/11 | Right footwell flap actuator motor | 64L |
| M2/11 | Right footwell flap actuator motor | 62L |
| M2/12 | Left center air flap actuator motor | 66L |
| M2/12 | Left center air flap actuator motor | 61L |
| M2/13 | Right center air flap actuator motor | 66L |
| M2/13 | Right center air flap actuator motor | 61L |
| M2/17 | Left side outlet flap actuator motor | 50L |
| M2/17 | Left side outlet flap actuator motor | 55L |
| M2/18 | Right side outlet flap actuator motor | 50L |
| M2/18 | Right side outlet flap actuator motor | 55L |
| M2/30 | Upper left blending air flap actuator motor | 48L |
| M2/30 | Upper left blending air flap actuator motor | 70L |
| M2/31 | Lower left blending air flap actuator motor | 59L |
| M2/31 | Lower left blending air flap actuator motor | 68L |
| M2/32 | Upper right blending air flap actuator motor | 48L |
| M2/32 | Upper right blending air flap actuator motor | 70L |
| M2/33 | Lower right blending air flap actuator motor | 59L |
| M2/33 | Lower right blending air flap actuator motor | 68L |
| M2/5 | Fresh air/air recirculation flaps actuator motor | 57L |
| M2/5 | Fresh air/air recirculation flaps actuator motor | 57L |
| M2/8 | Left defroster vent flap actuator motor | 52L |
| M2/8 | Left defroster vent flap actuator motor | 54L |
| M2/9 | Right defroster vent flap actuator motor | 52L |
| M2/9 | Right defroster vent flap actuator motor | 54L |
| N10/1 | Front SAM control unit with fuse and relay module | 32L |
| N10/1 | Front SAM control unit with fuse and relay module | 37L |
| N22/1 | AAC [KLA] control unit | 4A |
| N22/1 | AAC [KLA] control unit | 12A |
| N22/1 | AAC [KLA] control unit | 28A |
| N22/1 | AAC [KLA] control unit | 20A |
| N22/1 | AAC [KLA] control unit | 36A |
| N22/1 | AAC [KLA] control unit | 44A |
| N22/1 | AAC [KLA] control unit | 52A |
| N22/1 | AAC [KLA] control unit | 60A |
| N22/1 | AAC [KLA] control unit | 68A |
| N22/1 | AAC [KLA] control unit | 77A |
| R22/3 | PTC heater booster | 45L |
| R41/1 | Left side air outlet potentiometer | 2L |
| R41/1e1 | Left side air vent symbol illumination | 4K |
| R41/1r1 | Left side air vent potentiometer adjustment wheel | 2K |
| R41/2 | Right side air outlet potentiometer | 6L |
| R41/2e1 | Right side air vent symbol illumination | 5K |
| R41/2r1 | Right side air vent potentiometer adjustment wheel | 6K |
| R41/3 | Front center air outlet potentiometer | 10L |
| R41/3e1 | Front center air vent symbol illumination | 10K |
| R41/3e2 | Front center air vent symbol illumination | 10K |
| R41/3r1 | Left front center air outlet potentiometer | 10K |
| R41/3r2 | Right front center air outlet potentiometer | 9K |
| R41/4 | Rear center air outlet potentiometer | 15L |
| R41/4e1 | Rear center air vent symbol illumination | 14K |
| R41/4e2 | Rear center air vent symbol illumination | 14K |
| R41/4r1 | Left rear center air outlet potentiometer | 15K |
| R41/4r2 | Right rear center air outlet potentiometer | 16K |
| U1018 | Valid for gasoline engine 276 | 24F |
| U1019 | Valid for engine 278 | 24F |
| U1028 | Valid for engine 157 | 24G |
| U12 | Valid for left-hand drive vehicles | 18F |
| U12 | Valid for left-hand drive vehicles | 11D |
| U12 | Valid for left-hand drive vehicles | 4D |
| U12 | Valid for left-hand drive vehicles | 47F |
| U13 | Valid for right-hand drive vehicles | 17G |
| U13 | Valid for right-hand drive vehicles | 4E |
| U13 | Valid for right-hand drive vehicles | 11E |
| U13 | Valid for right-hand drive vehicles | 47F |
| U152 | Valid for engine 156 | 23F |
| U252 | Valid for ECO start/stop function | 24F |
| U484 | Valid for M273 ME | 26F |
| U576 | Valid for heater booster | 42F |
| U779 | Valid for engine 275 | 29F |
| U819 | Valid for engine 272 | 26F |
| U880 | Valid for engine 642 | 23F |
| U882 | Valid for engine 629 | 23F |
| U948 | Valid for diesel engine 651 | 26F |
| W15 | Power ground (electronics) | 18H |
| W15 | Power ground (electronics) | 5F |
| W15 | Power ground (electronics) | 11F |
| W15 | Power ground (electronics) | 44H |
| W15/4 | Ground (cockpit, left footwell) | 18H |
| W17 | Ground (right rear seat) | 14H |
| W34 | Ground (left footwell) | 5E |
| W34 | Ground (left footwell) | 11E |
| X26 | Interior and engine wiring harness connector | 25H |
| X26 | Interior and engine wiring harness connector | 27H |
| X85/8 | Heater booster connector | 43H |
| Z110/1 | AC bus solder terminal | 39G |
| Z110/3 | AC bus solder terminal | 38G |
| Z111 | Voltage supply connector sleeve | 20E |
| Z111/1 | AC 12V solder terminal | 40G |
| Z68/3 | AC LIN bus data connector sleeve | 19E |
| Z68/3 | AC LIN bus data connector sleeve | 46E |
| Z68/7 | Cockpit AC system sensor ground | 75G |
| Z7/60 | 5V output connector sleeve (solder connector in wiring harness) | 15G |
| Z7/60 | 5V output connector sleeve (solder connector in wiring harness) | 3E |
| Z7/60 | 5V output connector sleeve (solder connector in wiring harness) | 9E |
| Z7/72 | COC nozzles and sensors sensor ground connector sleeve | 17G |
| Z7/72 | COC nozzles and sensors sensor ground connector sleeve | 1E |
| Z7/72 | COC nozzles and sensors sensor ground connector sleeve | 8E |
| Z81/11 | Front passenger circuit 58d connector sleeve | 3E |
| Z81/11 | Front passenger circuit 58d connector sleeve | 10E |