ECU: 94-95 DOHC Cali Spec Pinouts
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Pinouts[edit]
| C-52 | C-53 | C-90 | C-54 |
| Pin 1 - No. 1 Injector | Pin 31 - | Pin 51 - | Pin 71 - Ignition Switch - ST |
| Pin 2 - No. 3 Injector | Pin 32 - | Pin 52 - Ignition Timing Terminal | Pin 72 - Intake Air Temperature sensor |
| Pin 3 - No. 5 Injector | Pin 33 - VICS position sensor No. 1 (NA) | Pin 53 - | Pin 73 - EGR Temperature Sensor |
| Pin 4 - IAC Coil | Pin 54 - | Pin 74 - O2 Heater | |
| Pin 5 - IAC Coil | Pin 55 - | Pin 75 - O2 Sensor (Front) right | |
| Pin 6 - EGR Solenoid | Pin 56 - Data link connector | Pin 76 - O2 Sensor (Front) | |
| Pin 7 - | Pin 57 - | Pin 77 - O2 Heater | |
| Pin 8 - MFI Relay (fuel pump) | Pin 58 - Engine Ignition Signal | Pin 78 - Knock Sensor | |
| Pin 9 - EVAP Solenoid | Pin 59 - AC Switch 2 (AC clutch slip) | Pin 79 - Left bank o2 sensor (cali) | |
| Pin 10 - PTU A (1-4) | Pin 60 - Right bank o2 sensor(rear) | Pin 80 - Backup Power Supply | |
| Pin 11 - PTU C (3-6) | Pin 61 - | Pin 81 - Sensor Impressed Voltage | |
| Pin 12 - Power supply (main) | Pin 62 - Data link connector | Pin 82 - Ignition Switch IG | |
| Pin 13 - GND (in) | Pin 83 - Water Temperature Sensor | ||
| Pin 14 - No. 2 Injector | Pin 84 - TPS Sensor | ||
| Pin 15 - No. 4 Injector | Pin 85 - Barometric Pressure Sensor | ||
| Pin 16 - No. 6 Injector | 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) |
