Hyundai Genesis Coupe A/C Control System (Manual) Wiring Diagram SD971-7
Electrical wiring diagram of the manual A/C control system showing blower relay, blower motor, electronic compressor and FET circuits.
This is page SD971-7 of a Hyundai factory wiring diagram titled "A/C Control System (Manual) (1)". It shows the manual air conditioning control circuit, including power feeds from the E/R Junction Box LH (BLOWER 40A multi fuse, hot at all times) and the Smart Junction Box (MODULE7 7.5A hot in ON, MODULE2 7.5A hot in ON or START, MEMORY1 10A hot at all times via a leak current autocut device). The blower relay (pins 85/86/30/87) feeds a BLOWER 7.5A fuse and the blower motor (connector M08), which is controlled by a FET (field effect transistor, connector M24) driven by the A/C control module (connector M06-A) via GATE and DRAIN pins. The diagram also shows the electrical control valve (ECV) of the electronic A/C compressor with variants CHG28 (G4KF engine) and CLG28 (G6DJ engine), routed through connectors EC21 and EM51. Wire gauges and colors (e.g., 3.0W, 3.0P, 3.0G, 0.3B, 0.3R, 0.3L, 1.25B) and grounds GM02 and GM04 are labeled, along with cross-references to power distribution (SD110-7/8/9), passenger compartment fuse details (SD120-2/4/5), and ground distribution (SD130-2) pages plus photo references for connector locations.
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Frequently asked questions
- What fuse powers the blower motor circuit in this diagram?
- A 40A BLOWER multi fuse in the E/R Junction Box LH (hot at all times) feeds the blower relay, and a BLOWER 7.5A fuse is shown downstream of the relay. MODULE7 7.5A, MODULE2 7.5A, and MEMORY1 10A fuses feed the A/C control module inputs.
- How is the blower motor speed controlled per this diagram?
- The blower motor (connector M08) is controlled by a FET (Field Effect Transistor, connector M24) whose GATE (pin 5) and DRAIN (pin 16) connect to the A/C Control Module (connector M06-A).
- What are the A/C control module connector pin functions shown?
- M06-A pins: 5 GATE and 16 DRAIN (FET), 21 Blower Motor (+), 35 Ground and 34 Power (ECV), 3 ON Input, 4 ON/START Input, 1 Memory Power.
- Which connectors serve the electronic A/C compressor's electrical control valve?
- The ECV connects via CHG28 (G4KF engine) or CLG28 (G6DJ engine), then through connectors EC21 (pins 18/15, see PHOTO 19) and EM51 (pins 16/15, see PHOTO 72) with 0.3B and 0.3R wires.
- Where are the ground points for this circuit?
- Grounds are GM02 (via 1.25B wire, PHOTO 112) through joint connector JM01, and GM04 (via 3.0B wire, PHOTO 114) from the FET.
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