Hyundai Genesis Coupe 3.8L G6DA MFI Control System Wiring Diagram SD313-16
Wiring diagram showing throttle position sensor, accelerator pedal sensor and stop lamp switch circuits.
This document is page 8 of the Multiport Fuel Injection (MFI) Control System wiring diagram, sheet SD313-16, for the G6DA-GSL 3.8L engine. It shows the ECM (Engine Control Module) circuits for the electronic throttle control (ETC) motor and throttle position sensor (connector CLG65), the accelerator pedal position sensor with dual APS circuits (connector E01), the cruise clutch pedal position switch (connector E07), and the stop lamp switch (connector E34), including logic notes that contact (A) closes and contact (B) opens with the brake pedal depressed. Power comes from the I/P Junction Box: a 10A ECU fuse (hot in ON or START) and a 15A STOP LP fuse (hot at all times), with cross-references to Power Distribution sheets SD110-7/SD110-8. Grounds GLG01 and GLG02 reference Ground Distribution SD130-8. Joint connectors JE69 and JE68 in the E/R junction box LH route brake/stop lamp signals, referencing Stop Lamps SD927-1. ECM pin assignments are labeled across the bottom (e.g., pins 80/81 ETCM HI/LO, 12/34 TPS.1/TPS.2, APS.1 and APS.2 power/signal/ground pins, 18 clutch switch, 24 ALT signal, 27 ON/START input, 43 stop lamp switch, 83 start relay, 71/91 cooling fan relay HI/LO). Wire colors and photo callouts for connector locations are included.
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Frequently asked questions
- What fuses power the MFI control system circuits in this diagram?
- A 10A ECU fuse (hot in ON or START) and a 15A STOP LP fuse (hot at all times), both in the I/P Junction Box, referenced to Power Distribution sheets SD110-7 and SD110-8.
- How does the stop lamp switch operate according to this diagram?
- The stop lamp switch (connector E34) has two contacts: contact (A) closes with the brake pedal depressed, and contact (B) opens with the brake pedal depressed. Outputs go to the stop lamps (see SD927-1) on R/O and Y/B wires.
- Which ECM pins are used for the throttle position sensors (TPS)?
- TPS.1 is on ECM pin 12 and TPS.2 is on pin 34, with sensor power on pin 6 and ground on pin 31, via connector CLG-B.
- What ECM pins control the cooling fan relays?
- Pin 91 is the LO cooling fan relay control and pin 71 is the HI cooling fan relay control, referencing Cooling System SD253-2.
- What are the ECM pins for the accelerator pedal position sensor?
- APS.1 uses pin 14 (power), pin 38 (signal), and pin 60 (ground); APS.2 uses pin 90 (power), pin 68 (signal), and pin 56 (ground), through connector E01.
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