Hyundai Genesis Coupe 2.0T G4KF Engine Control Wiring Diagram SD313-7 MAP/Boost
Engine control system wiring diagram for a Theta 2.0L turbo showing MAP, boost, knock and pressure sensors plus cruise and wastegate circuits.
This is page SD313-7 of a Hyundai factory wiring diagram covering the Engine Control System for the G4KF THETA 2.0L TCI (turbocharged) engine, sheet 7 of the series. It shows ECM (PHOTO 11) wiring for the MAP sensor (connector CHG25), boost pressure sensor (CHG26), waste gate actuator DC motor and feedback sensor (CHG76), A/C pressure transducer (E02), and fuel tank pressure sensor (F43), including ECM pin numbers (e.g., 74/53/30/31 for MAP; 45/60/22/16/43 for the waste gate; 54/57 for APT; 52/73 for FTPS), wire colors/gauges (0.3B, 0.3G, 0.5L, 0.3P, 0.3W/B, 2.0B, etc.), and intermediate connectors EF11, EC21, EM21, and EC11 with photo references. The lower portion diagrams the cruise control system: power from MODULE2 7.5A fuse (SD313-6), the clock spring / multifunction switch (remote control), and the steering-wheel-mounted cruise remote control switch (CRUISE MAIN, CANCEL, SET/COAST, RESUME/ACCEL with illumination), plus the cruise clutch pedal position switch (E07, manual transmission), power steering switch (CHG74), knock sensor (CHG23), and ECM grounds at GHG01. A reader can identify ECM terminal assignments, wire colors, connector names, and ground points for diagnosing these sensors and the cruise control circuit.
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Frequently asked questions
- What ECM pins does the MAP sensor connect to on the G4KF 2.0L TCI engine?
- The MAP sensor (connector CHG25) connects to ECM pins 74 (Sensor Ground, 0.3B), 53 (IAT Sensor, 0.3G), 30 (Sensor Power, 0.5L), and 31 (Sensor Signal, 0.3P).
- Which connector is used for the boost pressure sensor and what are its wire colors?
- The boost pressure sensor uses connector CHG26 (pins 4, 1, 2) with wires 0.3B, 0.3W, and 0.3L, going to ECM pins 11 (Ground) and 10 (Signal) in the EPS group.
- How is the waste gate actuator wired to the ECM?
- The waste gate actuator (connector CHG76, PHOTO 17) uses ECM pins 45 and 60 for the DC motor (+/-, 0.5R and 0.5L), pin 22 for the F/B sensor signal (0.3G), pin 16 for ground (0.3B), and pin 43 for sensor power (0.3W/B, shared with APT/BPS/EWGA/FTPS).
- What does the cruise remote control switch on the steering wheel include?
- The cruise remote control switch (right side of the steering wheel) includes CRUISE MAIN, CANCEL, SET/COAST, and RESUME/ACCEL positions plus an illumination lamp, wired through the clock spring / multifunction switch (remote control).
- Where does the knock sensor connect on this diagram?
- The knock sensor (connector CHG23, PHOTO 13) connects to ECM pin 34 (Sensor Ground, 0.3G) and pin 12 (Sensor Signal, 0.3W).
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