{"product_id":"honda-civic-si-2009-electrical-diagram-manual-l4-2-0l-pdf","title":"Honda Civic Si 2009 Electrical Diagram Manual L4-2.0L PDF","description":"\u003ch1\u003eDownload Honda Civic Si 2009 Electrical Diagram Manual L4-2.0L PDF\u003c\/h1\u003e\n\u003cp\u003eGet the complete Honda Civic Si 2009 Electrical Diagram Manual L4-2.0L PDF for accurate wiring information, circuit diagrams, and electrical system troubleshooting. This detailed manual provides factory-style electrical schematics covering engine controls, starting system, charging system, lighting, sensors, connectors, and component locations. Ideal for mechanics, technicians, and Honda Civic Si owners who need reliable electrical reference data for repairs, diagnostics, maintenance, and restoration projects. Download this comprehensive PDF manual to understand the vehicle’s electrical layout and wiring connections.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eMODEL COVERED:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eCivic Si 2009, L4-2.0L\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eMANUAL CONTENTS:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e1. Air Conditioning – Automatic A_C Circuit (Hybrid)\u003cbr\u003e2. Air Conditioning – Manual A_C Circuit (Except Hybrid)\u003cbr\u003e3. Anti-Lock Brakes – Advanced Hydraulic Booster Circuit (Hybrid)\u003cbr\u003e4. Anti-Lock Brakes – Anti-Lock Brakes Circuit (Hybrid)\u003cbr\u003e5. Anti-Lock Brakes – Anti-Lock Brakes Circuit (W_ VSA)\u003cbr\u003e6. Anti-Lock Brakes – Anti-Lock Brakes Circuit (W_O VSA)\u003cbr\u003e7. Anti-Theft – Forced Entry Circuit (Except Hybrid)\u003cbr\u003e8. Anti-Theft – Forced Entry Circuit (Hybrid)\u003cbr\u003e9. Anti-Theft – Immobilizer Circuit (Except Hybrid)\u003cbr\u003e10. Anti-Theft – Immobilizer Circuit (Hybrid)\u003cbr\u003e11. Body Computer – Except Hybrid\u003cbr\u003e12. Body Computer – Hybrid\u003cbr\u003e13. Computer Data Lines – B-CAN Circuit (Except Hybrid)\u003cbr\u003e14. Computer Data Lines – Data Link Connector Circuit (EXCEPT SI amp GX)\u003cbr\u003e15. Computer Data Lines – Data Link Connector Circuit (GX)\u003cbr\u003e16. Computer Data Lines – Data Link Connector Circuit (Hybrid)\u003cbr\u003e17. Computer Data Lines – Data Link Connector Circuit (SI)\u003cbr\u003e18. Computer Data Lines – IMA F-CAN High_Low amp B-CAN Circuits (Hybrid)\u003cbr\u003e19. Cooling Fans – Except Hybrid\u003cbr\u003e20. Cooling Fans – Hybrid\u003cbr\u003e21. Cruise Control – Except Hybrid\u003cbr\u003e22. Cruise Control – Hybrid\u003cbr\u003e23. Defogger – Rear Defogger Circuit (Except Hybrid)\u003cbr\u003e24. Defogger – Rear Defogger Circuit (Hybrid)\u003cbr\u003e25. Door Locks – Except Hybrid\u003cbr\u003e26. Door Locks – Hybrid\u003cbr\u003e27. Electronic Power Steering – Hybrid\u003cbr\u003e28. Electronic Power Steering – SI\u003cbr\u003e29. Engine Controls\u003cbr\u003e30. Exterior Lights – Backup Lamps Circuit (A_T)\u003cbr\u003e31. Exterior Lights – Backup Lamps Circuit (M_T)\u003cbr\u003e32. Exterior Lights – Exterior Lamps Circuit (Except Hybrid)\u003cbr\u003e33. Exterior Lights – Exterior Lamps Circuit (Hybrid)\u003cbr\u003e34. Ground Distribution – Except Hybrid\u003cbr\u003e35. Ground Distribution – Hybrid\u003cbr\u003e36. Headlights – Except Hybrid\u003cbr\u003e37. Headlights – Hybrid\u003cbr\u003e38. Horns – Except Hybrid\u003cbr\u003e39. Horns – Hybrid\u003cbr\u003e40. Instrument Cluster – DX, GX\u003cbr\u003e41. Instrument Cluster – Except DX, GX\u003cbr\u003e42. Instrument Cluster – Hybrid\u003cbr\u003e43. Interior Lights – Courtesy Lamps Circuit (Except Hybrid W_ Sunroof)\u003cbr\u003e44. Interior Lights – Courtesy Lamps Circuit (Except Hybrid W_O Sunroof)\u003cbr\u003e45. Interior Lights – Courtesy Lamps Circuit (Hybrid)\u003cbr\u003e46. Interior Lights – Instrument Illumination Circuit (Except Hybrid)\u003cbr\u003e47. Interior Lights – Instrument Illumination Circuit (Hybrid)\u003cbr\u003e48. Mirrors – Auto Dimming Rear View Mirror (A_T Except Hybrid)\u003cbr\u003e49. Mirrors – Auto Dimming Rear View Mirror (Hybrid)\u003cbr\u003e50. Mirrors – Auto Dimming Rear View Mirror (M_T Except Hybrid)\u003cbr\u003e51. Mirrors – Heated Mirrors Circuit (Coupe)\u003cbr\u003e52. Mirrors – Heated Mirrors Circuit (Hybrid)\u003cbr\u003e53. Mirrors – Heated Mirrors Circuit (Sedan W_O Hybrid)\u003cbr\u003e54. Mirrors – Power Mirrors Circuit (Coupe)\u003cbr\u003e55. Mirrors – Power Mirrors Circuit (Hybrid)\u003cbr\u003e56. Mirrors – Power Mirrors Circuit (Sedan W_O Hybrid)\u003cbr\u003e57. Navigation – Hands Free Module Circuit\u003cbr\u003e58. Navigation – Navigation Circuit (Hybrid 4 Door EX, EX-L)\u003cbr\u003e59. Navigation – Navigation Circuit (Si 2 Door EX, EX-L)\u003cbr\u003e60. Power Distribution – DX Models\u003cbr\u003e61. Power Distribution – Except DX Models\u003cbr\u003e62. Power Distribution – Hybrid\u003cbr\u003e63. Power Tops – 2 Door\u003cbr\u003e64. Power Tops – 4 Door\u003cbr\u003e65. Power Windows – 2 Door Except DX\u003cbr\u003e66. Power Windows – 4 Door Except DX\u003cbr\u003e67. Power Windows – DX\u003cbr\u003e68. Power Windows – Hybrid\u003cbr\u003e69. Seats – Heated Seats Circuit (Except Hybrid)\u003cbr\u003e70. Seats – Heated Seats Circuit (Hybrid)\u003cbr\u003e71. Shift Interlock – Reverse Lockout Circuit (Except Hybrid)\u003cbr\u003e72. Shift Interlock – Shift Interlock Circuit (Except Hybrid)\u003cbr\u003e73. Shift Interlock – Shift Interlock Circuit (Hybrid)\u003cbr\u003e74. Sound Systems – Bass Speaker Circuit (Except Hybrid)\u003cbr\u003e75. Sound Systems – Bass Speaker Circuit (Hybrid)\u003cbr\u003e76. Sound Systems – CD Player\u003cbr\u003e77. Sound Systems – Radio Circuit (Si 2 Door EX, EX-L W_ Navigation)\u003cbr\u003e78. Sound Systems – Radio Circuit (Si 2 Door EX, EX-L W_O Navigation)\u003cbr\u003e79. Sound Systems – Radio Circuit (USA amp Canada 4 Door EX, EX-L, Hybrid W_ Navigation)\u003cbr\u003e80. Sound Systems – Radio Circuit (USA 2 Door LX USA 4 Door EX, EX-L Canada Sport, EX-L Hybrid W_O Navigation)\u003cbr\u003e81. Sound Systems – Radio Circuit (USA 4 Door DX-VP, GX, LX, LX-S Canada Except Sport, EX-L, Si)\u003cbr\u003e82. Sound Systems – Radio Circuit (USA DX)\u003cbr\u003e83. Sound Systems – XM Receiver Circuit\u003cbr\u003e84. Starting_Charging – Charging Circuit\u003cbr\u003e85. Starting_Charging – Remote Starting Circuit (Canada)\u003cbr\u003e86. Starting_Charging – Starting Circuit (A_T Except Hybrid)\u003cbr\u003e87. Starting_Charging – Starting Circuit (A_T Hybrid)\u003cbr\u003e88. Starting_Charging – Starting Circuit (M_T)\u003cbr\u003e89. Supplemental Restraints – Except Hybrid\u003cbr\u003e90. Supplemental Restraints – Hybrid\u003cbr\u003e91. Transmissions – Except Hybrid\u003cbr\u003e92. Transmissions – Hybrid\u003cbr\u003e93. Warning Systems – Chime Circuit (Except Hybrid)\u003cbr\u003e94. Warning Systems – Chime Circuit (Hybrid)\u003cbr\u003e95. Warning Systems – Tire Pressure Monitoring Circuit\u003cbr\u003e96. Wiper_Washer – Front Wiper_Washer Circuit (Except Hybrid)\u003cbr\u003e97. Wiper_Washer – Front Wiper_Washer Circuit (Hybrid)\u003cbr\u003e98. Auxiliary Power Outlet\u003cbr\u003e99. B-CAN Communication Line\u003cbr\u003e100. Back-Up Lights\u003cbr\u003e101. Backup Lamp\u003cbr\u003e102. Blower Motor\u003cbr\u003e103. Brake Lamp\u003cbr\u003e104. Brake Pedal Position\u003cbr\u003e105. Cellular Phone\u003cbr\u003e106. Center Mounted Brake Lamp\u003cbr\u003e107. Charging System\u003cbr\u003e108. Cigarette Lighter\u003cbr\u003e109. Compressor HVAC\u003cbr\u003e110. Computers and Control Systems\u003cbr\u003e111. Console Lamp\u003cbr\u003e112. Cooling System\u003cbr\u003e113. Courtesy Lamp\u003cbr\u003e114. Cruise Control\u003cbr\u003e115. Diagram 10-0\u003cbr\u003e116. Diagram 10-1\u003cbr\u003e117. Diagram 10-10\u003cbr\u003e118. Diagram 10-11a\u003cbr\u003e119. Diagram 10-11b\u003cbr\u003e120. Diagram 10-12\u003cbr\u003e121. Diagram 10-13\u003cbr\u003e122. Diagram 10-14\u003cbr\u003e123. Diagram 10-15\u003cbr\u003e124. Diagram 10-16\u003cbr\u003e125. Diagram 10-17\u003cbr\u003e126. Diagram 10-2\u003cbr\u003e127. Diagram 10-3\u003cbr\u003e128. Diagram 10-4\u003cbr\u003e129. Diagram 10-5\u003cbr\u003e130. Diagram 10-6\u003cbr\u003e131. Diagram 10-7\u003cbr\u003e132. Diagram 10-8\u003cbr\u003e133. Diagram 10-9\u003cbr\u003e134. Diagram 24-0\u003cbr\u003e135. Diagram 24-1\u003cbr\u003e136. Diagram 24-10\u003cbr\u003e137. Diagram 24-11\u003cbr\u003e138. Diagram 24-12\u003cbr\u003e139. Diagram 24-13\u003cbr\u003e140. Diagram 24-14\u003cbr\u003e141. Diagram 24-15\u003cbr\u003e142. Diagram 24-2\u003cbr\u003e143. Diagram 24-3\u003cbr\u003e144. Diagram 24-4\u003cbr\u003e145. Diagram 24-5\u003cbr\u003e146. Diagram 24-6\u003cbr\u003e147. Diagram 24-7\u003cbr\u003e148. Diagram 24-8\u003cbr\u003e149. Diagram 24-9\u003cbr\u003e150. Diagram Set 10 (Power Distribution)\u003cbr\u003e151. Diagram Set 110 (Exterior Lights)\u003cbr\u003e152. Diagram Set 114 (Interior Lights)\u003cbr\u003e153. Diagram Set 115 (Entry Light Control System)\u003cbr\u003e154. Diagram Set 120 (Power Windows)\u003cbr\u003e155. Diagram Set 122 (Moonroof)\u003cbr\u003e156. Diagram Set 130 (Power Door Locks_Keyless Entry_Security System)_001\u003cbr\u003e157. Diagram Set 130 (Power Door Locks_Keyless Entry_Security System)_002\u003cbr\u003e158. Diagram Set 132 (Immobilizer System)_001\u003cbr\u003e159. Diagram Set 132 (Immobilizer System)_002\u003cbr\u003e160. Diagram Set 14 (Ground Distribution)\u003cbr\u003e161. Diagram Set 141 (Power Mirrors)_001\u003cbr\u003e162. Diagram Set 141 (Power Mirrors)_002\u003cbr\u003e163. Diagram Set 142 (Automatic Dimming Inside Mirror)_001\u003cbr\u003e164. Diagram Set 142 (Automatic Dimming Inside Mirror)_002\u003cbr\u003e165. Diagram Set 15 (Splice and Junction Connector Details)\u003cbr\u003e166. Diagram Set 150 (Audio System)\u003cbr\u003e167. Diagram Set 152 (HFL System)\u003cbr\u003e168. Diagram Set 155 (Accessory Power Sockets)\u003cbr\u003e169. Diagram Set 156 (Navigation System)\u003cbr\u003e170. Diagram Set 20 (Ignition System)\u003cbr\u003e171. Diagram Set 21 (Starting System)\u003cbr\u003e172. Diagram Set 22 (Charging System)\u003cbr\u003e173. Diagram Set 24 (Fuel and Emissions)\u003cbr\u003e174. Diagram Set 31 (VTEC_VTC Control System)\u003cbr\u003e175. Diagram Set 34 (Cruise Control)\u003cbr\u003e176. Diagram Set 36 (VSA)_001\u003cbr\u003e177. Diagram Set 36 (VSA)_002\u003cbr\u003e178. Diagram Set 38 (Reverse Lockout System)\u003cbr\u003e179. Diagram Set 40 (Horns)\u003cbr\u003e180. Diagram Set 45 (EPS)\u003cbr\u003e181. Diagram Set 47 (SRS)\u003cbr\u003e182. Diagram Set 50 (Multiplex Integrated Control System)\u003cbr\u003e183. Diagram Set 60 (HVAC)_001\u003cbr\u003e184. Diagram Set 60 (HVAC)_002\u003cbr\u003e185. Diagram Set 63 (Fans)_001\u003cbr\u003e186. Diagram Set 63 (Fans)_002\u003cbr\u003e187. Diagram Set 64 (Rear Window_Power Mirror Defoggers)\u003cbr\u003e188. Diagram Set 73 (Reminder Systems)_001\u003cbr\u003e189. Diagram Set 73 (Reminder Systems)_002\u003cbr\u003e190. Diagram Set 80 (Gauges and Indicators)_001\u003cbr\u003e191. Diagram Set 80 (Gauges and Indicators)_002\u003cbr\u003e192. Diagram Set 84 (Safety Indicator)_001\u003cbr\u003e193. Diagram Set 84 (Safety Indicator)_002\u003cbr\u003e194. Diagram Set 85 (TPMS)\u003cbr\u003e195. Diagram Set 91 (Wiper_Washer)\u003cbr\u003e196. Dome Lamp\u003cbr\u003e197. ECM_PCM Relays Control\u003cbr\u003e198. F-CAN Communication Line (High)\u003cbr\u003e199. F-CAN Communication Line (Low)\u003cbr\u003e200. Fog_Driving Lamp\u003cbr\u003e201. Fuel Delivery and Air Induction\u003cbr\u003e202. Fuel Pump\u003cbr\u003e203. Fuse Block\u003cbr\u003e204. Ground For ECM Sensors\u003cbr\u003e205. Ground For ECM_PCM Sensors\u003cbr\u003e206. Ground For Heater Control Sensors\u003cbr\u003e207. Hazard Warning Lamps\u003cbr\u003e208. Headlamp\u003cbr\u003e209. Heated Element, Mirror\u003cbr\u003e210. Heated Glass Element\u003cbr\u003e211. Ignition Switch\u003cbr\u003e212. Ignition System\u003cbr\u003e213. Illumination (Negative) – Bulbs\u003c\/p\u003e\n\u003ctable data-path-to-node=\"2\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProperty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,1,0,0\" style=\"color: rgb(255, 42, 0);\"\u003e\u003cb data-path-to-node=\"2,1,0,0\" data-index-in-node=\"0\"\u003eDate\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,1,1,0\"\u003e2009\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,2,0,0\" style=\"color: rgb(255, 42, 0);\"\u003e\u003cb data-path-to-node=\"2,2,0,0\" data-index-in-node=\"0\"\u003eType Of Manual\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,2,1,0\"\u003eElectrical Diagrams\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,3,0,0\" style=\"color: rgb(255, 42, 0);\"\u003e\u003cb data-path-to-node=\"2,3,0,0\" data-index-in-node=\"0\"\u003eEngine\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,3,1,0\"\u003eL4-2.0L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,4,0,0\" style=\"color: rgb(255, 42, 0);\"\u003e\u003cb data-path-to-node=\"2,4,0,0\" data-index-in-node=\"0\"\u003eNumber of Pages\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,4,1,0\"\u003e848\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,5,0,0\" style=\"color: rgb(255, 42, 0);\"\u003e\u003cb data-path-to-node=\"2,5,0,0\" data-index-in-node=\"0\"\u003eSize\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,5,1,0\"\u003e112.9 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,6,0,0\" style=\"color: rgb(255, 42, 0);\"\u003e\u003cb data-path-to-node=\"2,6,0,0\" data-index-in-node=\"0\"\u003eFormat\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,6,1,0\"\u003ePDF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ewww.themanualsgroup.com\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"The Manuals Goup - PDF Manuals Download","offers":[{"title":"Default Title","offer_id":50925852754167,"sku":null,"price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3909\/4263\/files\/Honda_Civic_Si_2009_Electrical_Manual_L4-2.0L_PDF.jpg?v=1783579552","url":"https:\/\/www.themanualsgroup.com\/products\/honda-civic-si-2009-electrical-diagram-manual-l4-2-0l-pdf","provider":"The Manuals Group","version":"1.0","type":"link"}