Frequently Asked Question

Engine Sim Pinouts

Last Updated 11 months ago

Signal Pin Notes

INJ1 A1 Injector signal: SINK input

INJ4 A2 Injector signal: SINK input

INJ2 A3 Injector signal: SINK input

VTS A4 Note: This is a SOURCE input. Use only with a switched-12V signal

INJ3 A5 Injector signal: SINK input

O2 heater A6 This is a SINK input. Use only with a switched-gnd signal

Fuel Pump A7 This is a SINK input. Use only with a switched-gnd signal

IACV A9 This is a SINK input. Use only with a switched-gnd signal

EGR/IAB A11/A17 This is a SINK input. Use only with a switched-gnd signal

Fan control A12 This is a SINK input. Use only with a switched-gnd signal

MIL A13 Note: this is a SINK input. Use only with a switched-gnd signal

AC Clutch A15 This is a SINK input. Use only with a switched-gnd signal

A16 This is a SINK input. Use only with a switched-gnd signal

AT control A17 This is a SOURCE input. Use only with a switched-12V signal

Purge A20 This is a SINK input. Use only with a switched-gnd signal

ICM A21 Ignition output signal: SINK input

GND-P A23, A26 Power signal: Ground

pwr-sw A25 Power signal: switched 12V (key on) power

CYP B11 Distributor: cylinder position

TDC B13 Distributor: top dead center

CKP B15 Distributor: crank position

VBatt D1 Power signal: 12V constant battery backup (optional)

SCS D4 Switched out: Service Check (aka 2pin to check codes)

VTP D6 Switched out: vtec pressure

ELD D10 Analog out: Electronic Load Detector

TPS D11 Analog out: Throttle position sensor

ECT D13 Resistive out: Coolant temperature

O2 D14 Analog out: Oxygen sensor

IAT D15 Resistive out: intake air temperature

MAP D17 Analog out: Manifold Absolute Pressure sensor

Analog Vref D19 Analog 5V reference: used for all analog sensors, sourced from ECUSensor GND D21

Alternator control

Analog ground reference: used for all analog/resistive sensors, sourced from ECU