Hyundai Santa Cruz: Controller / Heater & A/C Control Unit (Manual)
| 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 |
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: Manual Heating and Air
Conditioning
1. Start the engine.
2. Set the mode to the desired position.
For improving the effectiveness of
heating and cooling, select:
- Heating:
- Cooling:
3. Set the temperature control to the
desired position.
4. Set the air intake control to the
outside (fresh) air position.
5. Set the fan speed co ...
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Starter
- Description
The starting system includes the battery, starter, solenoid switch,
ignition switch, ignition lock switch, connection wires and the battery
cable.When the ignition key is turned to the start position, current
flows and energizes the starter motor's solenoid coil.The solenoid
...
