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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 proceduresFront fog light
Fog lights are used to provide improved visibility and avoid accidents when visibility
is poor due to fog, rain or snow etc. The fog lights will turn on when fog light
switch (1) is turned to ...
Timing Chain Components and Components Location
Components
1. Timing chain upper cover2. Timing chain upper cover gasket3. CVVT assembly4. Camshaft5. Timing chain lower cover6. Timing chain lower cover gasket(#1)7. Timing chain lower cover gas ...
Heater Control Unit Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the cowl side trim.
(Refer to Body - "Cowl Side Trim")
3.
To remove the crash pad under cover [RH] (A), press both ...