Legacy Wiring.pdf

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2004 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM SECTION This service manual has been prepared to provide SUBARU service personnel with the necessary information and data for the correct maintenance and repair of SUBARU vehicles. This manual includes the procedures for maintenance, disassembling, reassembling, inspection and adjustment of components and diagnostics for guidance of experienced mechanics. Please peruse and utilize this manual fully to ensure complete repair work for satisfying our customers by keeping their vehicle in optimum condition. When replacement of parts during repair work is needed, be sure to use SUBARU genuine parts. All information, illustration and specifications contained in this manual are based on the latest product information available at the time of publication approval. WIRING SYSTEM WI FUJI HEAVY INDUSTRIES LTD. G2320GE8
WIRING SYSTEM WI Page 1. Basic Diagnostic Procedure ........................................................................3 2. Working Precautions .................................................................................15 3. Power Supply Circuit.................................................................................16 4. Ground Distribution Circuit ........................................................................30 5. Airbag System...........................................................................................51 6. Air Conditioning System............................................................................59 7. Anti-lock Brake System .............................................................................73 8. AT Control System ....................................................................................78 9. Audio System ..........................................................................................116 10. CAN Communication System..................................................................124 11. Charging System.....................................................................................128 12. Clock System ..........................................................................................129 13. Combination Meter..................................................................................130 14. Cruise Control System ............................................................................134 15. Coolant Temperature System .................................................................149 16. Engine Electrical System ........................................................................150 17. Fuel Gauge System ................................................................................239 18. Full Time Dual-range System..................................................................240 19. Front Accessory Power Supply Socket System ......................................242 20. Headlight Beam Leveler System.............................................................243 21. Horn System ...........................................................................................245 22. Immobilizer System.................................................................................246 23. Keyless Entry System .............................................................................248 24. Back-up Light System .............................................................................257 25. Clearance Light and Illumination Light System .......................................259 26. Front Fog Light System...........................................................................267 27. Headlight System ....................................................................................269 28. Interior Light System ...............................................................................271 29. Rear Fog Light System ...........................................................................279 30. Stop Light System ...................................................................................281 31. Turn Signal Light and Hazard Light System............................................282 32. Navigation System ..................................................................................286 33. Oil Pressure Warning Light System ........................................................290 34. Parking Brake / Brake Fluid Level Warning Light System.......................291 35. Power Seat System.................................................................................293 36. Power Window System ...........................................................................294 37. Radiator Fan System ..............................................................................302 38. Rear Window Defogger System..............................................................304 39. Remote Control Mirror System................................................................306 40. Seat Belt Warning System ......................................................................308 41. Seat Heater System ................................................................................310 42. Starter System ........................................................................................312 43. Sunroof System.......................................................................................316
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2004 LEGACY SERVICE MANUAL QUICK RE
Page 3 and 4:
WIRING SYSTEM 44. Vehicle Dynamics
Page 5 and 6:
WIRING SYSTEM 3. HOW TO DETERMINE A
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WIRING SYSTEM • In the wiring dia
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WIRING SYSTEM Basic Diagnostic Proc
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Page 15 and 16:
WIRING SYSTEM F: ABBREVIATION IN WI
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WIRING SYSTEM 3. Power Supply Circu
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WIRING SYSTEM P-SUP(L)-03 P-SUP(L)-
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WIRING SYSTEM P-SUP(L)-05 P-SUP(L)-
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WIRING SYSTEM No. Load FB-32 Brake
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WIRING SYSTEM P-SUP(R)-02 GENERATOR
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WIRING SYSTEM P-SUP(R)-04 FUSE & RE
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WIRING SYSTEM No. Load MB-1 ABS con
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WIRING SYSTEM 4. Ground Distributio
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WIRING SYSTEM GND(L)-03 GND(L)-01 A
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WIRING SYSTEM GND(L)-05 HIGH-MOUNTE
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WIRING SYSTEM Ground Distribution C
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WIRING SYSTEM 7. RHD CHASSIS GROUND
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WIRING SYSTEM GND(R)-03 GND(R)-02 F
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WIRING SYSTEM GND(R)-05 HIGH-MOUNTE
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Page 49 and 50:
WIRING SYSTEM 11.RHD ENGINE GROUND
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WIRING SYSTEM 13.RHD ENGINE GROUND
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WIRING SYSTEM A/B(L)-02 AB37 (ORANG
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WIRING SYSTEM A/B(L)-04 WC OC YR 5
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WIRING SYSTEM A/B(R)-02 AB37 (ORANG
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WIRING SYSTEM A/B(R)-04 WC OC YR 5
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WIRING SYSTEM M-A/C(L)-02 M-A/C(L)-
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WIRING SYSTEM 2. AUTO A/C LHD MODEL
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WIRING SYSTEM A-A/C(L)-03 F78 1 2 (
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WIRING SYSTEM 3. MANUAL A/C RHD MOD
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WIRING SYSTEM M-A/C(R)-03 F78 (BLAC
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WIRING SYSTEM A-A/C(R)-02 A-A/C(R)-
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WIRING SYSTEM A-A/C(R)-04 B88 1 2 G
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WIRING SYSTEM ABS(L)-02 B6 B15 R72
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WIRING SYSTEM ABS(R)-02 B6 B15 R72
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WIRING SYSTEM 8. AT Control System
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WIRING SYSTEM 4AT(L)-01 TO POWER SU
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WIRING SYSTEM 4AT(L)-03 ABS CONTROL
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WIRING SYSTEM 4AT(L)-05 1 * 2 * B35
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WIRING SYSTEM 2. LHD 5AT MODEL BATT
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WIRING SYSTEM 5AT(L)-01 TO POWER SU
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WIRING SYSTEM 5AT(L)-03 R 26 B231 1
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WIRING SYSTEM 5AT(L)-05 B359 1 2 3
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WIRING SYSTEM AT Control System 3.
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WIRING SYSTEM 4AT(RHU)-01 C26 OrB O
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WIRING SYSTEM 4AT(RHU)-03 MB-26 M/B
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WIRING SYSTEM 4AT(RHU)-05 4AT(RHU)-
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WIRING SYSTEM 4. RHD 4AT MODEL (2.5
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WIRING SYSTEM 4AT(RND)-01 TO POWER
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WIRING SYSTEM 4AT(RND)-03 MB-26 M/B
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WIRING SYSTEM 4AT(RND)-05 4AT(RND)-
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WIRING SYSTEM 5. RHD 5AT MODEL BATT
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WIRING SYSTEM 5AT(R)-01 C26 OrB TO
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WIRING SYSTEM 5AT(R)-03 B356 B357 1
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2004 LEGACY SERVICE MANUAL QUICK RE
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WIRING SYSTEM 44. Vehicle Dynamics
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2. LHD MODEL WITH SATELLITE SWITCH
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3. RHD MODEL AUDIO(R)-01 WB RY 1 2
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AUDIO(RWS)-02 SATELLITE SWITCH i95
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AUDIO(RM)-02 1 9 D12 1 2 D14 D96 1
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CAN(L)-02 B231 1 2 3 4 BY REF. TO G
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CAN(R)-02 1 * 2 * 3 * 4 * 5 * 6 * B
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12.Clock System A: WIRING DIAGRAM C
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METER-02 VDC CONTROL MODULE IGNITIO
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METER-04 METER-03 B METER-03 C DIMM
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C/C4(L)-02 R C13 B47 1 2 3 4 5 6 RE
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Cruise Control System 2. LHD 2.5 L
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C/C6(L)-03 1 * 2 * 3 * 4 * 5 * 6 *
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C/C(R20)-02 B47 1 2 3 4 5 6 R C13 R
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4. RHD 2.5 L EK AND TURBO MODEL C/C
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C/C(RTB&25)-03 1 * 2 * 3 * 4 * 5 *
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C/C(RH6)-02 B47 R D18 1 2 3 4 5 6 R
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15.Coolant Temperature System A: WI
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1 2 3 4 5 ECM 6 7 8 C7 B32 A23 A24
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E/G(LHU)-02 i97 1 2 3 4 5 6 7 8 9 1
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E/G(LHU)-04 B75 B368 (GREEN) B369 (
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E/G(LHU)-06 E/G(LHU)-05 H E/G(LHU)-
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E/G(LHU)-08 E/G(LHU)-05 E/G(LHU)-06
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Engine Electrical System WI-161 WIR
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1 2 3 4 5 ECM 6 7 8 B19 D20 D29 B17
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E/G(LND)-02 i97 1 2 3 4 5 6 7 8 9 1
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E/G(LND)-04 B75 B368 (GREEN) B369 (
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E/G(LND)-06 E/G(LND)-05 J E10 E15 1
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E/G(LND)-08 E/G(LND)-05 E/G(LND)-05
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1 2 3 4 5 ECM 6 7 8 9 CHECK CONNECT
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E/G(LH6)-02 i97 1 2 3 4 5 6 7 8 9 1
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E/G(LH6)-04 GY P VR BL 7 4 B75 B368
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E/G(LH6)-06 B3 1 2 3 4 5 E/G(LH6)-0
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E/G(LH6)-08 E/G(LH6)-06 I E/G(LH6)-
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E/G(LH6)-10 1 2 28 PW 27 Lg LB LB A
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E/G(LH6)-12 (BLACK) (BLACK) E/G(LH6
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1 2 3 4 5 ECM 6 7 8 C7 B32 A23 A24
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E/G(RHU)-02 i97 1 2 3 4 5 6 7 8 9 1
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E/G(RHU)-04 B75 B368 1 2 FB-32 F/B
Page 201 and 202: E/G(RHU)-06 E/G(RHU)-05 H E/G(RHU)-
Page 203 and 204: E/G(RHU)-08 E/G(RHU)-05 E/G(RHU)-06
Page 205 and 206: Engine Electrical System WI-201 WIR
Page 207 and 208: 1 2 3 4 5 ECM 6 7 8 B19 D20 D29 B17
Page 209 and 210: E/G(RND)-02 i97 1 2 3 4 5 6 7 8 9 1
Page 211 and 212: E/G(RND)-04 B75 E/G(RND)-03 R GY P
Page 213 and 214: E/G(RND)-06 E/G(RND)-05 J E10 E15 1
Page 215 and 216: E/G(RND)-08 E/G(RND)-05 E/G(RND)-05
Page 217 and 218: Engine Electrical System WI-213 WIR
Page 219 and 220: 1 2 3 4 5 ECM 6 7 8 D20 D29 B18 B17
Page 221 and 222: E/G(RTB)-02 i97 1 2 3 4 5 6 7 8 9 1
Page 223 and 224: E/G(RTB)-04 E/G(RTB)-03 1 2 TO POWE
Page 225 and 226: E/G(RTB)-06 E/G(RTB)-05 I E10 E14 E
Page 227 and 228: E/G(RTB)-08 E37 E38 E63 E66 1 2 27
Page 229 and 230: E/G(RTB)-10 E31 E32 B: B55 TCM E/G(
Page 231 and 232: 1 2 3 4 5 ECM 6 7 8 9 D20 D29 B18 B
Page 233 and 234: E/G(RH6)-02 i97 1 2 3 4 5 6 7 8 9 1
Page 235 and 236: E/G(RH6)-04 E/G(RH6)-03 1 2 TO POWE
Page 237 and 238: E/G(RH6)-06 B3 1 2 3 4 5 E/G(RH6)-0
Page 239 and 240: E/G(RH6)-08 E/G(RH6)-06 E/G(RH6)-06
Page 241 and 242: E/G(RH6)-10 E4 1 2 E/G(RH6)-07 Q E/
Page 243 and 244: 17.Fuel Gauge System A: WIRING DIAG
Page 245 and 246: 2. RHD MODEL FTDR(R)-01 B29 1 2 (BL
Page 247 and 248: Headlight Beam Leveler System 20.He
Page 249 and 250: 21.Horn System A: WIRING DIAGRAM HO
Page 251: 2. RHD MODEL IMB(R)-01 B351 1 2 FB-
Page 255 and 256: WIRING SYSTEM 23.Keyless Entry Syst
Page 257 and 258: WIRING SYSTEM K/L(L)-03 D46 1 2 A32
Page 259 and 260: WIRING SYSTEM K/L(ROD)-02 D18 D26 D
Page 261 and 262: WIRING SYSTEM 3. RHD MODEL WITH DOU
Page 263 and 264: WIRING SYSTEM K/L(RWD)-03 D46 1 2 A
Page 265 and 266: WIRING SYSTEM 2. RHD MODEL BACK/L(R
Page 267 and 268: WIRING SYSTEM ILLUMI(L)-02 BL 7 2 B
Page 269 and 270: WIRING SYSTEM ILLUMI(L)-04 i23 1 2
Page 271 and 272: WIRING SYSTEM ILLUMI(R)-02 BL 7 2 B
Page 273 and 274: WIRING SYSTEM ILLUMI(R)-04 ILLUMI(R
Page 275 and 276: WIRING SYSTEM 2. RHD MODEL FOG(R)-0
Page 277 and 278: WIRING SYSTEM 2. RHD MODEL H/L(R)-0
Page 279 and 280: WIRING SYSTEM C/L(L)-02 R51 R54 R56
Page 281 and 282: WIRING SYSTEM C/L(L)-04 C/L(L)-03 A
Page 283 and 284: WIRING SYSTEM C/L(R)-02 R51 R54 (BL
Page 285 and 286: WIRING SYSTEM C/L(R)-04 C/L(R)-03 A
Page 287 and 288: WIRING SYSTEM 2. RHD MODEL R/FOG(R)
Page 289 and 290: WIRING SYSTEM Turn Signal Light and
Page 291 and 292: WIRING SYSTEM 2. RHD MODEL TURN(R)-
Page 293 and 294: WIRING SYSTEM 32.Navigation System
Page 295 and 296: WIRING SYSTEM 2. RHD MODEL NAVI(R)-
Page 297 and 298: WIRING SYSTEM Oil Pressure Warning
Page 299 and 300: Parking Brake / Brake Fluid Level W
Page 301 and 302: WIRING SYSTEM 36.Power Window Syste
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WIRING SYSTEM P/W(L)-03 1 2 P/W(L)-
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WIRING SYSTEM 2. RHD MODEL P/W(R)-0
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WIRING SYSTEM P/W(R)-03 D24 (GREEN)
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WIRING SYSTEM 37.Radiator Fan Syste
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WIRING SYSTEM 38.Rear Window Defogg
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WIRING SYSTEM 39.Remote Control Mir
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WIRING SYSTEM 40.Seat Belt Warning
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WIRING SYSTEM 41.Seat Heater System
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WIRING SYSTEM 42.Starter System A:
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WIRING SYSTEM Starter System 3. RHD
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WIRING SYSTEM 43.Sunroof System A:
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WIRING SYSTEM Vehicle Dynamics Cont
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WIRING SYSTEM VDC(L)-03 TWISTED WIR
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WIRING SYSTEM VDC(R)-02 TO POWER SU
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WIRING SYSTEM Front Wiper and Washe
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WIRING SYSTEM Rear Wiper and Washer
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WIRING SYSTEM 47.Wiper Deicer Syste
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WIRING SYSTEM Rear Accessory Power
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WIRING SYSTEM 2. RHD SEDAN MODEL (1
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WIRING SYSTEM 4. RHD WAGON MODEL (1
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WIRING SYSTEM A B C D F59 F7 F3 F6
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WIRING SYSTEM A B C D Bulkhead Wiri
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WIRING SYSTEM No. B235 7 Colo r Gre
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WIRING SYSTEM 2. RHD MODEL No. Bulk
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WIRING SYSTEM A B C D B362 B98 B138
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WIRING SYSTEM A B C D Engine Wiring
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WIRING SYSTEM A B C D E67 Engine Wi
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WIRING SYSTEM A B C D i76 i102 Inst
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WIRING SYSTEM A B C D i96 i51 i98 i
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WIRING SYSTEM Rear Wiring Harness C
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WIRING SYSTEM 2. WAGON MODEL Rear W
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WIRING SYSTEM A B C D R2 *1 R1 *2 R
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WIRING SYSTEM A B C D Door Cord 1 2
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WIRING SYSTEM A B C D Door Cord 1 2
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WIRING SYSTEM A B C D Rear Wiring H
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WIRING SYSTEM A B C D AB32 R22 Rear
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