2002 - 2004 Subaru Impreza WRX ECU Diagram Connector D Connector C Connector E Connector B Connector A Connector D Pin # Name Signal Type D1 Injector # 1 Speed. B18 Engine Coolant Temperature Sensor Analog B19 Sensor Ground Ground B27 Intake Air Temperature Sensor Analog Connector A.. engine electrical system 14.engine electrical system a: wiring diagram 1. lhd sohc w/o obd model wi-04466 starter motor inhibitor switch (at) p r n d 3 2 1 at at mt at mt at mt ignition switch off b acc ig st acc on st f/b fuse no.11 f/b fuse no.13 f/b fuse no.18 sbf-5 sbf-4 sbf-1 battery fuel pump relay main relay purge control solenoid valve.
![[DIAGRAM] Subaru Wrx Engine Bay Diagram](https://www.i-club.com/forums/attachments/bay-area-15/138361d1501291373-need-help-finding-labeled-engine-diagram-118900565.gif "[DIAGRAM] Subaru Wrx Engine Bay Diagram")
![[DIAGRAM] 2004 Subaru Impreza Wrx Sti Wiring Diagram](https://www.chanish.org/wp-content/uploads/2019/06/2004_subaru_wrx_wiring_diagram_2.gif "[DIAGRAM] 2004 Subaru Impreza Wrx Sti Wiring Diagram")
![[DIAGRAM] Subaru Wrx Engine Bay Diagram](https://ww2.justanswer.com/uploads/baddad1/2011-06-30_234110_capture.png "[DIAGRAM] Subaru Wrx Engine Bay Diagram")
![[DIAGRAM] 2004 Subaru Impreza Wrx Sti Wiring Diagram](https://www.subieautoparts.com/wp-content/uploads/2019/08/IMG_4233.jpg "[DIAGRAM] 2004 Subaru Impreza Wrx Sti Wiring Diagram")
![[DIAGRAM] Subaru Wrx Engine Bay Diagram](https://ww2.justanswer.com/uploads/baddad1/2010-07-11_003426_Capture.PNG "[DIAGRAM] Subaru Wrx Engine Bay Diagram")
![[DIAGRAM] Subaru Wrx Engine Bay Diagram](https://farm8.static.flickr.com/7607/16720138846_0de9963f3c_b.jpg "[DIAGRAM] Subaru Wrx Engine Bay Diagram")
![[DIAGRAM] Subaru Wrx Engine Bay Diagram](https://www.i-club.com/forums/attachments/bay-area-15/138359d1501291373-need-help-finding-labeled-engine-diagram-118897005.gif "[DIAGRAM] Subaru Wrx Engine Bay Diagram")
2002 - 2003 WRX (104MB) 2004 WRX/STI (161MB) 2005 WRX/STI (148MB) 2006 WRX/STI (94MB) 2007 WRX/STI (77MB) 2008 WRX/STI. 2020 WRX/STI (315MB) Subaru Check Engine Light (CEL) Code List - Excel Spreadsheet (12KB) If you want to post a link to these files on your website, please do NOT use a direct link. Instead, please put a link to at least.. This manual contains maintenance and repair procedures for the Subaru Impreza WRX STi 2004. It contains useful information and tips that will help you repair and maintain your vehicle. This manual is divided into several sessions as follows: General Info Foreword How to Use This Manual Specifications Precaution Note Identification…