View from wiring side:
| AMPSEAL Pin N° | Description | Comment | Tunerstudio PIN Reference |
|---|---|---|---|
| 1 | MAP | External MAP (used only when internal MAP is not installed) | |
| 2 | IAT | Intake air temperature sensor | |
| 3 | CLT | Coolant temperature sensor | |
| 4 | TPS | Throttle position sensor | |
| 5 | O2 | O2 Sensor (narrow band) or Wideband Module 0-5v signal | |
| 6 | CLUTCH | Clutch switch signal (ground input) | 51 |
| 7 | FLEX | Flex Fuel / Ethanol Content Sensor | |
| 8 | VSS | Vehicle Speed Sensor (Only hall type are supported) | |
| 9 | 12v | 12v input | |
| 10 | STP 2A | Stepper IAC 2A | |
| 11 | STP 1A | Steppet IAC 1A | |
| 12 | STP1B | Stepper IAC 1B | |
| 13 | 5v out | 5v supply for TPS and external MAP | |
| 14 | IGN 2 | Ignition Output 2 (+5v) | 38 |
| 15 | IGN 1 | Ignition Output 1 (+5v) | 40 |
| 16 | IGN 3 | Ignition Output 3 (+5v) | 52 |
| 17 | IGN 4 | Ignition Output 4 (+5v) | 50 |
| 18 | IGN 5 | Ignition Output 5 (+5v) | 34 |
| 19 | CKP INPUT | VR1+ Main RPM Input | |
| 20 | CMP INPUT | VR2+ Secundary RPM Input (Regularly used only in sequential mode) | |
| 21 | VR1- | Used in some special cases if indicated by the support team. | |
| 22 | VR2- | Used in some special cases if indicated by the support team. | |
| 23 | STP2B | Stepper IAC 2B | |
| 24 | GND | Ground from battery | |
| 25 | FAN | Fan relay output signal (negative) | 47 |
| 26 | FP | Fuel pump relay output signal (negative) | 45 |
| 27 | TACH | Tachometer output signal (negative, very old tachometers may require additional external circuitry) | |
| 28 | MC 2 | VVT / Medium current output (negative, 1A) | 4 |
| 29 | PWM IAC | PWM IAC output (negative, 1A) | 5 |
| 30 | MC 1 | Medium current output (negative, 1A) | 6 |
| 31 | BOOST | Boost solenoid output (negative, 1A) | 7 |
| 32 | INJECTOR 1 | Fuel injector 1 output (negative) | 8 |
| 33 | INJECTOR 2 | Fuel injector 2 output (negative) | 9 |
| 34 | INJECTOR 3 | Fuel injector 3 output (negative) | 10 |
| 35 | INJECTOR 4 | Fuel injector 4 output (negative) | 11 |