Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (Manual)

Hyundai Santa Cruz: Controller / Heater & A/C Control Unit (Manual)

- Terminal Function

Connector Pin Function

Pin No	Connector A	Pin No	Connector A
1	Battery	17	IGN2
2	ISG B+	18	IGN1
3	ILL+ (TAIL)	19	Blower Relay
4	Sensor REF (+5V)	20	Blower INH
5	Mode Actuator Feedback	21	Blower IS
6	Temperature Actuator Feedback	22	Blower PWM IN
7	Intake Actuator Feedback	23	-
8	Evaporator Temperature Sensor (+)	24	PTC Relay
9	Ambient Temperature Sensor (+)	25	-
10	Mode Actuator (Vent)	26	E_CAN High
11	Mode Actuator (Defrost)	27	E_CAN Low
12	Temperature Control Actuator (Cool)	28	-
13	Temperature Control Actuator (Warm)	29	ECV +
14	Intake Actuator (Fresh Air)	30	ECV - (Ground)
15	Intake Actuator (Recirculated Air)	31	Sensor Ground
16	ILL- (RHEO)	32	Ground

- Replacement

1.Disconnect the negative (-) battery terminal.

2.Remove the front monitor.(Refer to Body Electrical System - "Front Monitor")

3.Remove the heater & A/C control unit (A).

4.Install in the reverse order of removal.

• Replace any damaged clips.

• Make sure the connector is connected properly.

Controller

...

Heater & A/C Control Unit (DATC)

- Terminal Function Connector Pin Function Pin NoConnector A 1Battery (+) 2- 3- 4LIN BUS (Climate control) 5- 6- 7- 8- 9IGN2 10ISG B+ 11IGN1 12- 13Incar sensor (+) 14- 15Sensor G ...

Other information:

Hyundai Santa Cruz 2021-2025 Owners Manual: Lane Keeping Assist Settings
Setting features Lane Safety With the engine on, select 'Driver Assistance > Lane Safety' from the Settings menu to set whether to use each function. - If ‘Assist’ is selected, Lane Keeping Assist will automatically assist the driver’s steering when lane departure is detected to help ...

Hyundai Santa Cruz 2021-2025 Owners Manual: Maintenance Under Severe Usage Conditions
The following items must be serviced more frequently on cars mainly used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Inspect and if necessary, adjust, correct, clean or replace NOTICE After 10 years or 100,000 miles, we re ...