This document provides wiring diagrams and pinouts for the engine control unit (ECU) connectors of Honda Civic coupes and sedans from 2001-2003. It details the wire colors and functions for pins in the 31-pin connector A, 24-pin connector B, and 31-pin connector E. Connector A provides signals for sensors, coils, and control of components like the oxygen sensors and idle air control valve.. 2001 HONDA Civic Honda Civic DX 2001 - BUZZERS, RELAYS & TIMERS Honda Civic DX 2001 BUZZERS, RELAYS & TIMERS LOCATION Component Component Location A/C Compressor Clutch Relay In underhood fuse/relay box. A/F Sensor Relay (HX) Behind glove box. See Fig. 2 . A/T Reverse Relay Behind glove box. See 2001 HONDA Civic
2003 Honda Civic Wiring Diagram FREE 2003 Honda Civic 1.7 Workshop Manual FREE. 2002. 2002 Honda Civic Wiring Diagram FREE. 2001. 2001 Honda Civic Wiring Diagram FREE 2001 Honda Civic 1.7 Workshop Manual FREE. 1999.. Many people look for the wiring diagrams and the fuse information within these working manuals too in order to fix electrical problems that may have appeared. As the powerplant of a car can be complicated you can also find a section called an "engine diagram" that shows you how to service, repair and dismantle an engine unit.