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FAQ : ACURA INTEGRA ECU PINOUT

The B18C1 is found in the Acura Integra which first made its debut in 1994 and eventually ended it’s production run in 2001. This Acura Integra ECU pinout is for a 1995 Acura Integra GSR, and this Acura Integra ECU pinout is for the OBDI P72 from 1992-1995.

This P72 ECU has different variations of OBDIA and B, as well as automatic transmission differences. Please double check which ECU you have before checking our Acura Integra ECU pinout.

 

Terminal No. (Symbols) Signal Type Terminal Description

Condition

Specified Condition
A4 

Analog

VTEC Solenoid Valve Always 9 to 14 V
A21

RPM

Ignition Control Module Always 9 to 14 V
A24

Ground

Power Ground Always 0
A25 Power Power source of ECM Ignition switch ON 9 to 14 V
D17

MAP Sensor

Manifold Pressure Ignition switch ON 0 to 3 V
D17

Speed

Vehicle Speed Sensor Ignition switch ON Pulse generation (See waveform)
D6

Analog

VTEC Pressure Switch Ignition switch ON 9 to 14 V
D11

Analog

Throttle Position Sensor Ignition switch ON 0 to 5.0 V
D14

Analog

Primary O2 Sensor Ignition switch ON 0.5 to 3.0 V
D3

Analog

knock Sensor Always 0.5 to 3.4 V
D15

Analog

Air Intake Sensor Idling, intake temp. 80°C (176°F) Pulse generation (See waveform)

This Acura Integra ECU pinout will allow you to install, wire or modify any piggyback ecu into your ecu / PCM as well as wiring in VTEC if needed.

Happy Tuning!

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