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OBD2b Civic & Integra ECU Pin Schematics
Author: Katman / Created: Jan. 05 / Last Updated: Jan. 06

SYNOPSIS

This article exploits a combination of ECU pin locations and wire colors for all M/T '99-'00 Civic and '00-'01 Integra VTEC and NON-VTEC vehicles.

OBD2B PLUG CONFIGURATION

Below is an example that shows the onboard (female) connector configuration for an OBD2b ECU.
Take note of plugs: A, B, and C.
The blank connector (D) is only used with A/T specific civic/integra vehicles.

OBD2b plug configuration

OBD2b Plug A

ADDITIONAL INFORMATION

These pin-out locations were cross-referenced with OBD2b Civic & Integra Helm's service manuals.

The information in this article applies to:

  • All US OBD2b (99-00) M/T civic ecu's
  • All US OBD2b (00-01) M/T integra ecu's
  • All JDM OBD2b M/T civic ecu's
  • All JDM OBD2b Integra ecu's which are non-existant!