IHKA System Circuit Diagram
LEGEND FOR IHKA SYSTEM CIRCUIT DIAGRAM
| Index | Explanation | Index | Explanation |
|---|---|---|---|
| 1 | Rear blend/stratification motor | 22 | Pressure sensor |
| 2 | Alternator | 23 | Center console switch cluster (SZM) |
| 3 | Digital motor electronics (DME) | 24 | Water valve |
| 4 | Electric water pump | 25 | Outside temperature sensor |
| 5 | Engine cooling fan | 26 | Auxiliary water pump (not for US) |
| 6 | Ventilation motor | 27 | Evaporator temperature sensor |
| 7 | Front blend/stratification motor | 28 | Footwell temperature sensor |
| 8 | Car communication computer (CCC) | 29 | Blocking circuit (filter) |
| 9 | Condensation sensor | 30 | Rear window defogger |
| 10 | AUC II sensor | 31 | Blocking circuit (filter) |
| 11 | Fresh air/recirculation motor | 32 | Ventilation temperature sensor |
| 12 | Mix air flap motor, left | 33 | Solar sensor (1-channel) |
| 13 | Defrost flap | 34 | Seat heating element, left |
| 14 | Footwell flap motor | 35 | Seat heating element, right |
| 15 | Central information display (CID) | 36 | Blower motor and final stage |
| 16 | Roof function center (FZD) | 37 | Instrument Cluster |
| 17 | Junction Box Electronics Control Module (JBE) | 38 | Outside temperature sensor |
| 18 | Seat heater button, left | 39 | Driver's seat module |
| 19 | A/C compressor valve | 40 | Seat heating module (passenger) |
| 20 | Seat heater button, right | 41 | Mix air flap motor, right |
| 21 | Controller |