Kia Niro: Heater & A/C Control Unit / Components and components location

Kia Niro 2017 (DE HEV) Service Manual / Heating, Ventilation and Air Conditioning / Heater & A/C Control Unit / Components and components location

Components

[AUDIO Type]

Connector Pin Function

No.	Connector A	Connector B
1	Battery	Passenger side mode control actuator Feedback
2	-	Passenger side temperature control actuator (Cool)
3	Illumination (+) (Tail)	Passenger side temperature control actuator (Warm)
4	Sensor REF (5V)	Auto defogging actuator Feedback
5	Driver side mode control actuator Feedback	Auto defogging actuator (Open)
6	Driver side temperature control actuator Feedback	Auto defogging actuator (Close)
7	Intake actuator Feedback	SBR
8	Evaporator sensor (+)	Rear Left SBR
9	Ambient sensor (-)	Rear Center SBR
10	Driver side mode control actuator (Vent)	Rear Right SBR
11	Driver side mode control actuator (DEF)	PAB IGN1
12	Driver side control actuator (Cool)	-
13	Driver side control actuator (Warm)	PAB Signal (On)
14	Intake actuator (FRE)	ADS signal
15	Intake actuator (REC)	PAB SIGNAL (Off)
16	HTD	Passenger Side Mode Control Actuator (Vent)
17	Rear Defogging Switch	Passenger Side Mode Control Actuator (DEF)
18	Clean signal	Passenger Side Mode Control Actuator Feedback
19	Cluster Ionizer Diagnosis	Duct Sensor (+) - Vent
20	Illumination (-) (Rheo)	Duct Sensor (+) - Floor
21	IGN2	Hazard indicator blink
22	IGN1	-
23	Blower PWM	-
24	Left photo sensor (-)	Ground
25	Right photo sensor (-)
26	Blower Relay
27	-
28	PTC Relay 2 (PTC only)
29	PTC Relay 1 (PTC only)
30	-
31	DETENT Output (-)
32	Hazard signal (Audio only)
33	P_CAN (+)
34	P_CAN (-)
35	Climate CAN (+)
36	Climate CAN (-)
37	Interlock (+) (ECOMP)
38	Interlock (-) (ECOMP)
39	Sensor ground
40	Ground

[AVN Type]

Connector Pin Function

No.	Connector A	Connector B
1	Battery	Passenger side mode control actuator Feedback
2	-	Passenger side temperature control actuator (Cool)
3	Illumination (+) (Tail)	Passenger side temperature control actuator (Warm)
4	Sensor REF (5V)	Auto defogging actuator Feedback
5	Driver side mode control actuator Feedback	Auto defogging actuator (Open)
6	Driver side temperature control actuator Feedback	Auto defogging actuator (Close)
7	Intake actuator Feedback	SBR
8	Evaporator sensor (+)	Rear Left SBR
9	Ambient sensor (-)	Rear Center SBR
10	Driver side mode control actuator (Vent)	Rear Right SBR
11	Driver side mode control actuator (DEF)	PAB IGN1
12	Driver side control actuator (Cool)	-
13	Driver side control actuator (Warm)	PAB Signal (On)
14	Intake actuator (FRE)	ADS signal
15	Intake actuator (REC)	PAB SIGNAL (Off)
16	HTD	Passenger Side Mode Control Actuator (Vent)
17	Rear Defogging Switch	Passenger Side Mode Control Actuator (DEF)
18	Clean signal	Passenger Side Mode Control Actuator Feedback
19	Cluster Ionizer Diagnosis	Duct Sensor (+) - Vent
20	Illumination (-) (Rheo)	Duct Sensor (+) - Floor
21	IGN2	Hazard indicator blink
22	IGN1	-
23	Blower PWM	-
24	Left photo sensor (-)	Ground
25	Right photo sensor (-)
26	Blower Relay
27	-
28	PTC Relay 2 (PTC only)
29	PTC Relay 1 (PTC only)
30	-
31	DETENT Output (-)
32	Hazard signal (Audio only)
33	P_CAN (+)
34	P_CAN (-)
35	Climate CAN (+)
36	Climate CAN (-)
37	Interlock (+) (ECOMP)
38	Interlock (-) (ECOMP)
39	Sensor ground
40	Ground

Repair procedures

Self Diagnosis 1. Self-diagnosis process. • ...

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