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# Kia Soul EV: Controller / Heater & A/C Control Unit (FATC) Components and Components Location

Kia Soul EV (PS EV) 2015-2020 Service Manual / Heating,Ventilation, Air Conditioning / Controller / Heater & A/C Control Unit (FATC) Components and Components Location

Components

Connector Pin Function

Pin No. | Connector A | Connector B | Connector C
1 | ILL (+) | Ground | Electric compressor interlock (+)
2 | Sensor REF (+5V) | Sensor ground | Electric compressor interlock (-)
3 | C_CAN High | Blower PWM IN | High voltage PTC heater interlock (+)
4 | C_CAN LOW | Ionizer diagnosis | High voltage PTC heater interlock (-)
5 | Driver mode actuator (VENT) | - | PAB IGN3
6 | Driver mode actuator (DEF) | CLEAN signal | PAB ON signal
7 | Driver mode actuator F/B | Passenger mode actuator (VENT) | PAB OFF signal
8 | Intake actuator (FRE) | Passenger mode actuator (DEF) | SBR
9 | Intake actuator (REC) | Passenger mode actuator F/B | Rr LEFT SBR
10 | Intake actuator F/B | Defogging actuator (OPEN) | Rr CENTER SBR
11 | K-LINE | Defogging actuator (CLOSE) | Rr RIGHT SBR
12 | HTD | Defogging actuator F/B | -
13 | Rear defog switch | Vent left duct sensor (+) | -
14 | Temp. control actuator (COOL) | Floor left duct sensor (+) | -
15 | Temp. control actuator (WARM) | IGN3 | -
16 | Temp. Control actuator F/B | IGN2 | -
17 | Left seat heater indicator - LOW | - | ?
18 | Left seat heater indicator - MID | 2 WAY valve #1 (+)
19 | Left seat heater indicator - HIGH | 3 WAY valve #1 (+)
20 | ILL - (RHEO) | 3 WAY valve #2 (+)
21 | DETENT OUT (+) | 2 WAY valve #2 (+)
22 | Left seat heater switch | CLIMATE_CAN HIGH
23 | Left ventilation indicator - LOW | CLIMATE_CAN LOW
24 | Left ventilation indicator - MID | HUMIDITY (PWM)
25 | Left ventilation indicator - HIGH | Air pressure tranducer signal
26 | Right seat heater switch | Refrigerant temperature sensor signal #1
27 | Ambient sensor (+) | Refrigerant temperature sensor signal #2
28 | Evaporator sensor (+) | Coolant valve OUTPUT
29 | Right ventilation indicator - LOW | IGN3
30 | Right ventilation indicator - MID | Blower IS
31 | Right ventilation indicator - HIGH | Battery
32 | Photo sensor (-) | Battery
33 | Right ventilation switch | ? | ?
34 | Left ventilation switch
35 | Blower INH
36 | MM_CAN HIGH
37 | MM_CAN LOW
38 | Right seat heater indicator - LOW
39 | Right seat heater indicator - MID
40 | Right seat heater indicator - HIGH

##### Controller

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##### Heater & A/C Control Unit (FATC) Repair procedures

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