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Hyundai Equus: Heater & A/C Control Unit Components and Components Location
| Component |

| Connector Pin Function |
| Pin No. | Connector A Function |
| 1 | Ground |
| 2 | Rheostat (Illumination -) |
| 3 | Rear Defog Switch |
| 4 | - |
| 5 | Detent Out (+) |
| 6 | HTD |
| 7 | Illumination + (Tail) |
| 8 | - |
| 9 | Ground |
| 10 | - |
| 11 | Climate CAN High |
| 12 | Climate CAN Low |
| 13 | - |
| 14 | Ignition 1 |
| 15 | Battery |
| 16 | Ignition 2 |
Controller
Heater & A/C Control Unit Repair proceduresRepair procedures
Fuel Pressure Test
1.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
When removing the fuel pump re ...
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Circuit Diagram
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Components
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