Download Honda Civic 2003 Electrical Diagram Manual L4-1.3L Hybrid PDF

Get the Honda Civic 2003 Electrical Diagram Manual L4-1.3L Hybrid PDF to understand complete vehicle wiring systems, electrical circuits, component locations, and troubleshooting procedures. This detailed manual provides accurate diagrams for hybrid electrical components, connectors, sensors, fuses, relays, and wiring layouts. Ideal for mechanics, technicians, and DIY owners, it helps diagnose electrical issues, perform repairs, and maintain the 2003 Honda Civic Hybrid with confidence. Access clear and organized electrical information for efficient servicing and repair work.

MODEL COVERED:
Civic 2003, L4-1.3L Hybrid

MANUAL CONTENTS:
1. Air Conditioning – Automatic A_C Circuit (Hybrid)
2. Air Conditioning – Heater Circuit (Except Hatchback)
3. Air Conditioning – Heater Circuit (Hatchback)
4. Air Conditioning – Manual A_C Circuit (Except Hatchback)
5. Air Conditioning – Manual A_C Circuit (Hatchback)
6. Anti-Lock Brakes – Except Hatchback amp Hybrid
7. Anti-Lock Brakes – Hatchback
8. Anti-Lock Brakes – Hybrid
9. Anti-Theft – Forced Entry Circuit (Except Hatchback amp Hybrid)
10. Anti-Theft – Forced Entry Circuit (Hatchback)
11. Anti-Theft – Forced Entry Circuit (Hybrid)
12. Anti-Theft – Immobilizer Circuit (Except GX amp Hybrid)
13. Anti-Theft – Immobilizer Circuit (GX)
14. Anti-Theft – Immobilizer Circuit (Hybrid)
15. Body Computer – Except Hatchback amp Hybrid
16. Body Computer – Hatchback
17. Body Computer – Hybrid
18. Computer Data Lines – Except Hatchback amp Hybrid
19. Computer Data Lines – Hatchback
20. Computer Data Lines – Hybrid
21. Cooling Fans – Except Hatchback amp Hybrid
22. Cooling Fans – Hatchback
23. Cooling Fans – Hybrid
24. Cruise Control – Except Hatchback amp Hybrid
25. Cruise Control – Hatchback
26. Cruise Control – Hybrid
27. Defogger – Rear Defogger Circuit (Coupe)
28. Defogger – Rear Defogger Circuit (Hatchback)
29. Defogger – Rear Defogger Circuit (Hybrid)
30. Defogger – Rear Defogger Circuit (Sedan)
31. Door Locks – Except Hatchback amp Hybrid
32. Door Locks – Hatchback
33. Door Locks – Hybrid
34. Electronic Power Steering – Hatchback
35. Electronic Power Steering – Hybrid
36. Engine Controls – Engine Controls Circuit (A_T)
37. Engine Controls – Engine Controls Circuit (M_T)
38. Engine Controls – IMA Circuit
39. Exterior Lights – Back-up Lamps Circuit (Except Hatchback amp Hybrid)
40. Exterior Lights – Back-up Lamps Circuit (Hatchback)
41. Exterior Lights – Back-up Lamps Circuit (Hybrid)
42. Exterior Lights – Exterior Lamps Circuit (Except Hatchback amp Hybrid)
43. Exterior Lights – Exterior Lamps Circuit (Hatchback)
44. Exterior Lights – Exterior Lamps Circuit (Hybrid)
45. Ground Distribution – Except Hatchback amp Hybrid
46. Ground Distribution – Hatchback
47. Ground Distribution – Hybrid
48. Headlights – Except Hatchback or Hybrid W_ DRL
49. Headlights – Except Hatchback or Hybrid W_O DRL
50. Headlights – Hatchback W_ DRL
51. Headlights – Hatchback W_O DRL
52. Headlights – Hybrid W_ DRL
53. Headlights – Hybrid W_O DRL
54. Horns – Except Hybrid
55. Horns – Hybrid
56. Instrument Cluster – DX, GX
57. Instrument Cluster – EX, HX, LX
58. Instrument Cluster – Hatchback
59. Instrument Cluster – Hybrid
60. Interior Lights – Courtesy Lamps Circuit (Coupe W_ Sunroof)
61. Interior Lights – Courtesy Lamps Circuit (Hatchback)
62. Interior Lights – Courtesy Lamps Circuit (Hybrid)
63. Interior Lights – Courtesy Lamps Circuit (Sedan W_ Sunroof)
64. Interior Lights – Courtesy Lamps Circuit (W_O Sunroof)
65. Interior Lights – Instrument Illumination Circuit (Except Hybrid)
66. Interior Lights – Instrument Illumination Circuit (Hybrid)
67. Mirrors – Heated Mirrors Circuit (Except Hatchback amp Hybrid)
68. Mirrors – Heated Mirrors Circuit (Hatchback)
69. Mirrors – Heated Mirrors Circuit (Hybrid)
70. Mirrors – W_ Defogger Except Hatchback amp Hybrid
71. Mirrors – W_ Defogger Hatchback
72. Mirrors – W_ Defogger Hybrid
73. Mirrors – W_O Defogger Except Hatchback amp Hybrid
74. Mirrors – W_O Defogger Hatchback
75. Mirrors – W_O Defogger Hybrid
76. Power Distribution – Except Hybrid
77. Power Distribution – Hybrid
78. Power Tops – Except Hatchback
79. Power Tops – Hatchback
80. Power Windows – Except Hatchback amp Hybrid
81. Power Windows – Hatchback
82. Power Windows – Hybrid
83. Shift Interlock – Except Hybrid
84. Shift Interlock – Hybrid
85. Sound Systems – Coupe
86. Sound Systems – Hatchback
87. Sound Systems – Hybrid
88. Sound Systems – Sedan
89. Starting_Charging – Charging Circuit (Hatchback)
90. Starting_Charging – Charging Circuit (W_O Hatchback)
91. Starting_Charging – Starting Circuit (Hatchback)
92. Starting_Charging – Starting Circuit (Hybrid)
93. Starting_Charging – Starting Circuit (W_O Hatchback)
94. Supplemental Restraints – Except Hatchback
95. Supplemental Restraints – Hatchback
96. Supplemental Restraints – Hybrid
97. Transmissions – A_T Circuit (Hybrid)
98. Transmissions – A_T Circuit (W_ CVT Except Hybrid)
99. Transmissions – A_T Circuit (W_O CVT)
100. Warning Systems – Except Hatchback amp Hybrid
101. Warning Systems – Hatchback
102. Warning Systems – Hybrid
103. Wiper_Washer – Front Wiper_Washer Circuit (Except Hatchback amp Hybrid)
104. Wiper_Washer – Front Wiper_Washer Circuit (Hatchback)
105. Wiper_Washer – Front Wiper_Washer Circuit (Hybrid)
106. Wiper_Washer – Rear Washer_Wiper Circuit
107. A_T Gear Position Indicator
108. Brake Warning Indicator
109. Carlink System
110. Cigarette Lighter
111. Circuit 11 Illumination (Positive)
112. Circuit 12 Illumination (Negative)
113. Circuit 13 Brake Pedal Position
114. Circuit 196 Key-In Ignition
115. Circuit 20 Tailgate Relay Control
116. Circuit 200 Trunk Lid Position
117. Circuit 201 Front Passengers Door Switch
118. Circuit 202 Drivers Door Switch
119. Circuit 203 Rear Door Switch
120. Circuit 207 Parking Brake Position (Canada)
121. Circuit 207 Parking Brake Position (USA)
122. Circuit 21 Headlight Relay 1, 2
123. Circuit 331 Ground For Climate Control Sensors
124. Circuit 61 Horn Relay Control
125. Circuit D04 Power Source ECM_PCM
126. Circuit D46 Reference Voltage For ECM Sensors
127. Circuit D47 Reference Voltage For ECM Sensors
128. Circuit Diagram
129. Circuit Diagrams_001
130. Circuit Diagrams_002
131. Circuit Diagrams_003
132. Circuit Diagrams_004
133. Circuit Diagrams_005
134. Circuit Diagrams_006
135. Circuit Diagrams_007
136. Circuit Diagrams_008
137. Circuit Diagrams_009
138. Circuit Diagrams_010
139. Circuit Diagrams_011
140. Circuit Diagrams_012
141. Circuit Diagrams_013
142. Circuit Diagrams_014
143. Circuit Diagrams_015
144. Circuit Diagrams_016
145. Circuit Diagrams_017
146. Circuit Diagrams_018
147. Circuit Diagrams_019
148. Circuit Diagrams_020
149. Circuit Diagrams_021
150. Circuit Diagrams_022
151. Circuit Diagrams_023
152. Circuit Diagrams_024
153. Circuit Diagrams_025
154. Circuit Diagrams_026
155. Circuit Diagrams_027
156. Circuit E09 NEP Circuit
157. Circuit E85 (CVT) MAP Sensor Signal
158. Circuit E91 ECT Sensor Signal
159. Circuit E93 (CVT) VSS Signal
160. Circuit E93 (M_T) VSS Signal
161. Circuit F20 Sensor Ground For ECM Sensors
162. Circuit F28 Service Check Control
163. Circuit F29 Service Check Signal
164. Circuit F32 DLC WEN Input
165. Circuit F55 Service Check Signal
166. Circuit K37 IAT Sensor Signal (CVT)
167. Circuit K52 Engine Ready Signal (CVT)
168. Circuit K81 Engine Ready Signal
169. Circuit M06 (CVT) Back-Up Lights
170. Circuit M06 (M_T) Back-Up Lights
171. Circuit M23 Neutral Position (M_T)
172. Circuit M26 A_T Park Position (CVT)
173. Circuit M26 Neutral Position (M_T)
174. Circuit M35 A_T Park Position
175. Circuit M37 A_T Position D, S, L (CVT)
176. Circuit M62 A_T Drive Position (CVT)
177. Circuit M66 A_T Reverse Position (CVT)
178. Circuit Z20 Logic Ground
179. Circuit Z28 Ground For ECM Sensors
180. Console
181. Daytime Running Lamp
182. Diagram 10-0
183. Diagram 10-10
184. Diagram 10-11
185. Diagram 10-1a
186. Diagram 10-1b
187. Diagram 10-2
188. Diagram 10-3
189. Diagram 10-4
190. Diagram 10-5a
191. Diagram 10-5b
192. Diagram 10-6
193. Diagram 10-7
194. Diagram 10-8
195. Diagram 10-9a
196. Diagram 10-9b
197. Diagram 23-0
198. Diagram 23-1
199. Diagram 23-10
200. Diagram 23-2
201. Diagram 23-3
202. Diagram 23-4
203. Diagram 23-5
204. Diagram 23-6
205. Diagram 23-7
206. Diagram 23-8
207. Diagram 23-9
208. Diagram Set 10 (Power Distribution)
209. Diagram Set 110 (Exterior Lights)
210. Diagram Set 114 (Interior Lights)
211. Diagram Set 115 (Entry Light Control System)
212. Diagram Set 120 (Power Windows)
213. Diagram Set 130 (Keyless_Power Door Locks)_001
214. Diagram Set 130 (Keyless_Power Door Locks)_002
215. Diagram Set 130 (Keyless_Power Door Locks)_003
216. Diagram Set 132 (Immobilizer System)
217. Diagram Set 133 (Security Alarm System)
218. Diagram Set 138 (Interlock System)
219. Diagram Set 14 (Ground Distribution)
220. Diagram Set 141 (Power Mirrors)
221. Diagram Set 15 (Splice and Junction Connector Details)
222. Diagram Set 150 (Audio System)
223. Diagram Set 155 (Accessory Power Socket)
224. Diagram Set 20 (Ignition System)
225. Diagram Set 21 (Starting System)
226. Diagram Set 23 (Fuel and Emissions)
227. Diagram Set 31 (VTEC Control System)
228. Diagram Set 32 (IMA System)
229. Diagram Set 34 (Cruise Control)
230. Diagram Set 39 (CVT Controls)
231. Diagram Set 40 (Horn)
232. Diagram Set 44 (ABS (Anti-Lock Brake System))
233. Diagram Set 45 (EPS (Electrical Power Steering))
234. Diagram Set 47 (SRS (Supplemental Restraint System))
235. Diagram Set 50 (Multiplex Control System)
236. Diagram Set 52 (CarLink)
237. Diagram Set 60 (HVAC)
238. Diagram Set 63 (Fans)
239. Diagram Set 64 (Rear Window Defogger)
240. Diagram Set 73 (Lights-on, Key-In and Seat Belt Reminders, Key Light Timer and Low Oil Pressure Indicator)
241. Diagram Set 80 (Gauges and Indicators)
242. Diagram Set 89 (A_T Gear Position Indicator)
243. Diagram Set 91 (Wiper_Washer)
244. Dome Lamp
245. ECM_PCM Circuit Diagram
246. ECM_PCM Electrical Connections
247. Gauges – Circuit Diagrams
248. Gauges and Indicators
249. Gear Position Indicator Circuit Diagram
250. Ground-to-Components Index
251. Headlights (Canada)
252. Headlights (USA)
253. Heated Element, Mirror
254. Instrument Cluster _ Carrier
255. License Plate Lamp
256. Lighting and Horns
257. Lights-on, Key-in and Seat Belt Reminders, Key Light Timer and Low Oil Pressure Indicator
258. Map Light
259. Marker Lamp
260. Multiplex Control System
261. Parking Lamp
262. Radiator Cooling Fan Motor
263. Restraints and Safety Systems
264. Security Alarm System
265. Spot Lamp
266. Tail Lamp
267. Trunk Lamp
268. Vanity Lamp
269. Variable Valve Timing Actuator
270. Variable Valve Timing Solenoid
271. Wiring Diagram
272. Wiring Diagram Index_001
273. Wiring Diagram Index_002
274. Wiring Diagrams_001
275. Wiring Diagrams_002
276. Wiring Diagrams_003
277. Wiring Diagrams_004
278. Wiring Diagrams_005
279. Wiring Diagrams_006
280. Wiring Diagrams_007
281. Wiring Diagrams_008
282. Wiring Diagrams_009
283. Wiring Diagrams_010
284. Wiring Diagrams_011
285. Wiring Diagrams_012
286. Wiring Diagrams_013
287. Wiring Diagrams_014
288. Wiring Diagrams_015
289. Wiring Diagrams_016
290. Wiring Diagrams_017
291. Wiring Diagrams_018
292. Wiring Diagrams_019
293. Wiring Diagrams_020
294. Wiring Diagrams_021
295. Wiring Diagrams_022
296. Wiring Diagrams_023
297. Wiring Diagrams_024

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