This article provides technical documentation and PCB imagery for the P74/P75 ECU, standard equipment on 1994–1995 Acura Integra RS, LS, and GS models equipped with the 1.8L B18B engine.

PCB Overview#

The following imagery provides a high-resolution view of the P74/P75 circuit board for diagnostic and modification purposes.

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Technical Specifications#

The P74/P75 is an OBD1-compliant ECU. It utilizes the standard Honda 3-connector harness configuration.

Note

The P74 and P75 are functionally identical for most tuning and diagnostic applications. They are commonly used as base units for OBD1 conversion and socketing projects.

Diagnostic Resources#

For further troubleshooting and integration, refer to the following system tools:

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