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Hyundai Equus: Heater Control Unit Components and Components Location
| Control Panel |
| Component |

| Connector Pin Function |
| Pin No. | Connector A | Connector B |
| 1 | Ground | Ignition 2 |
| 2 | - | FET (Gate) |
| 3 | Mode Control Actuator (Vent) | FET (Drain Feedback) |
| 4 | Mode Control Actuator (Defrost) | Sensor REF (+5V) |
| 5 | Intake Actuator (Fresh Air) | - |
| 6 | Intake Actuator (Recerculated Air) | - |
| 7 | Driver's Temperature Control Actuator (Cool) | Incar Sensor Motor (-) |
| 8 | Driver's Temperature Control Actuator (Warm) | - |
| 9 | Passenger Temperature Control Actuator (Cool) | - |
| 10 | Passenger Temperature Control Actuator (Warm) | ECV (+) |
| 11 | Auto Defogging Actuator (Open) | ECV (-) |
| 12 | Auto Defogging Actuator (Close) | - |
| 13 | Console Temperature Control Actuator (Cool) | Rear Auto Indcicator |
| 14 | Console Temperature Control Actuator (Warm) | ION Signal |
| 15 | Console Temperature Control Actuator A (Cool) | Blower Motor (+) |
| 16 | Console Temperature Control Actuator A (Warm) | CLEAN Signal |
| 17 | Console Duct Actuator (Vent) | - |
| 18 | Console Duct Actuator (Floor) | - |
| 19 | - | C-Line (Rear Armrest) |
| 20 | Sensor Ground | - |
| 21 | - | C_CAN (High) |
| 22 | Mode Control Actuator Feedback | C_CAN (Low) |
| 23 | Intake Actuator Feedback | - |
| 24 | Driver's Temperature Control Actuator Feedback | Climate_CAN High |
| 25 | Passenger's Temperature Control Actuator Feedback | Climate_CAN Low |
| 26 | Auto Defogging Actuator Feedback | - |
| 27 | Console Temperature Control Actuator Feedback | - |
| 28 | Console Temperature Control Actuator A Feedback | C-Line (Console LCD Panel) |
| 29 | Console Duct Actuator Feedback | - |
| 30 | Cluster Ion generator Diagnosis | Ignition 1 |
| 31 | AQS Signal | Battery |
| 32 | - | Ignition 2 |
| 33 | - | x x x x x x x x |
| 34 | Humidity (PWM) | |
| 35 | Incar Sensor | |
| 36 | Ambient Temperature Sensor | |
| 37 | Evaporator Temperature Sensor | |
| 38 | - | |
| 39 | Console Duct Sensor (+) | |
| 40 | - |
Heater & A/C Control Unit Repair procedures
Heater Control Unit Repair proceduresSRS Care
The SRS is virtually maintenancefree and there are no parts you can safely service
by yourself. If the SRS air bag warning light "
" does not illuminate, when the Engine
Start/Stop Butt ...
Schematic Diagrams
Schematic Diagram
...
Standard programming
To train most devices, follow these instructions:
1. For first-time programming, press and hold the two outside buttons, HomeLink®
Channel 1 and Channel 3 Buttons, until the indicator light begins ...