ECU: 94-95 TT Cali Spec Pinouts

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The pinouts for a 1994-1995 Mitsubishi 3000GT VR-4 and Dodge Stealth RT-TT California-spec ECU.

Pinouts[edit]

Ecu-94 95 tt cali spec pinout.png

C-52 C-53 C-90 C-54
Pin 1 - No. 1 Injector Pin 31 - Fuel Pump Relay 2 (Turbo) Pin 51 - Pin 71 - Ignition Switch - ST
Pin 2 - No. 3 Injector Pin 32 - Turbo waste gate solenoid (Turbo) Pin 52 - Ignition Timing Terminal Pin 72 - Intake Air Temperature sensor
Pin 3 - No. 5 Injector Pin 33 - Pin 53 - Pin 73 - EGR Temperature Sensor *
Pin 4 - IAC Coil Pin 34 - Muffler changeover switch (Turbo) Pin 54 - Pin 74 -
Pin 5 - IAC Coil Pin 35 - Valve Opened/Closed signal (Turbo) Pin 55 - Pin 75 - O2 Sensor (Front)
Pin 6 - EGR Solenoid Pin 36 - Check Engine Light Pin 56 - Data link connector Pin 76 - O2 Sensor (Rear)
Pin 7 - FP Solenoid (Turbo) Pin 37 - Power steering switch Pin 57 - Pin 77 -
Pin 8 - MFI Relay (fuel pump) Pin 38 - MFI relay (power supply) Pin 58 - Engine Ignition Signal Pin 78 - Knock Sensor
Pin 9 - EVAP Solenoid Pin 39 - Pin 59 - AC Switch 2 (AC clutch slip) Pin 79 - Precat o2 sensor (front)
Pin 10 - PTU A (1-4) Pin 40 - Pin 60 - Precat o2 sensor(rear) Pin 80 - Backup Power Supply
Pin 11 - PTU C (3-6) Pin 41 - Turbo Meter (Turbo) Pin 61 - Pin 81 - Sensor Impressed Voltage
Pin 12 - Power supply (main) Pin 42 - Pin 62 - Data link connector Pin 82 - Ignition Switch IG
Pin 13 - GND (in) Pin 43 - Pin 83 - Water Temperature Sensor
Pin 14 - No. 2 Injector Pin 44 - ABS Signal (Turbo) Pin 84 - TPS Sensor
Pin 15 - No. 4 Injector Pin 45 - AC Switch 1 Pin 85 - Barometric Pressure Sensor
Pin 16 - No. 6 Injector Pin 46 - Pin 86 - Speed Sensor
Pin 17 - IAC Coil Pin 87 - Closed Throttle Position Sensor (idle switch)
Pin 18 - IAC Coil Pin 88 - CAM Sensor
Pin 19 - MAF Flow sensor reset signal Pin 89 - CRANK Sensor
Pin 20 - Fan motor relay (Hi) Pin 90 - Volume air flow sensor
Pin 21 - Fan motor relay (Lo) Pin 91 - [ Park/Neutral Switch A/T) ]
Pin 22 - AC Relay (magnetic clutch) Pin 92 - Ground (Sensor)
Pin 23 - PTU B (2-5)
Pin 24 - Electric load switch (input)
Pin 25 - Power Supply (main)
Pin 26 - GND (in)


  • Pin 73 can be used for wideband input, setup for example an LC1/MTX-L to output on a particular cable and connect that to pin 73, ECU doesn't care for the values, just needs something there, otherwise, it can be replaced with a Resistor to prevent a CEL for the people that have EGR removed, partes needed: 10 ohm resistor 1/2 watt.