View source for ECU: 94-95 TT Federal Spec Pinouts

== Pinouts ==
[[File:Ecu-94_95_tt_cali_spec_pinout.png]]

{| border="1px"
|'''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 - 
|-
|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) right 
|-
|Pin 6 - EGR Solenoid
|Pin 36 - Check Engine Light 
|Pin 56 - Data link connector 
|Pin 76 - O2 Sensor (rear) Left
|-
|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 - Left bank o2 sensor (cali precat?)
|-
|Pin 10 - PTU A (1-4)
|Pin 40 - 
|Pin 60 - Right bank o2 sensor(cali precat?) 
|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) 

|-
|}