Hyundai Genesis Coupe 2.0T (G4KF Theta 2.0L TCI) Cooling Fan Wiring Diagram
Wiring diagram of the engine cooling-fan circuit showing low/high fan relays, fuses, resistor and coolant temperature sensor with wire codes
This document is a factory-style wiring diagram for the engine cooling fan system of a Hyundai vehicle with the G4KF Theta 2.0L TCI (turbocharged) engine, consistent with the Genesis Coupe 2.0T. It shows power distribution from the E/R (engine room) junction box LH via the multi fuse (ALT 150A and C/FAN 60A) which is hot at all times, and from the E/R junction box RH via the SENSOR1 10A fuse, hot with the engine control relay on, passing through joint connector JCH83. The diagram details the cooling fan (low) relay at connector E43 and cooling fan (high) relay at connector E42, the cooling fan motor with built-in resister at connector E05 (grounded at GE01), and the engine coolant temperature sensor at connector CHG11. Wire gauges and colors are labeled throughout (5.0W, 5.0R, 0.3Y, 0.5G, 0.5L, 0.3W/B, 0.85P, 0.3R, 0.3L, 0.3O, 0.3B/O, 5.0B). ECM pin assignments are given: pin 65 low relay control, pin 88 high relay control, pins 77/78 C-CAN high/low, pin 33 ECTS signal, pin 14 (CHG-K) ECTS ground. Cross-references include SD110-3 power distribution and SD200-4 data link details, plus photo callouts for connector locations.
Is this accurate? Sign in to help verify it.
Frequently asked questions
- What fuses power the cooling fan on the Genesis Coupe 2.0T (G4KF)?
- The cooling fan is powered through the multi fuse in the E/R junction box LH (C/FAN 60A, alongside the ALT 150A), hot at all times, and the SENSOR1 10A fuse in the E/R junction box RH, which is hot with the engine control relay on.
- Which ECM pins control the cooling fan relays?
- ECM pin 65 is the Cooling Fan (Low) Relay Control (0.5G wire) and pin 88 is the Cooling Fan (High) Relay Control (0.5L wire).
- What connector is used for the cooling fan motor and how is it grounded?
- The cooling fan motor (which includes a resister) uses connector E05, with pins 1 (5.0W) and 2 (5.0R); pin 3 grounds through a 5.0B wire to ground point GE01.
- Where does the engine coolant temperature sensor connect to the ECM?
- The ECTS at connector CHG11 sends its signal on a 0.3O wire to ECM pin 33 and its ground on a 0.3B/O wire to ECM pin 14 (CHG-K).
- What connectors are the low and high cooling fan relays on?
- The cooling fan (low) relay is on connector E43 and the cooling fan (high) relay is on connector E42, both shown at PHOTO 37.
Comments
More from this build
No comments yet.