1997 Volvo 850 Wiring Diagrams

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Cars with SRS (Air bag)/SIPS bag Warning Cars equipped with a Supplemental Restraint System (SRS)/SIPS bag must be treated extra carefully when repairs are being made. This is to help prevent 1. Injuries when carrying out a repair. 2. Damage or malfunction of the SRS/SIPS bag system Repair to either the SRS/ SI PS bag itself or a related system or component must be carried out by an authorized Volvo workshop. Refer to the appropriate SRS and SIPS bag service manual for complete system information Is Ihe car equipped wilh SRS? Cars with SRS are most easily recognized by the SRS letters on the steering wheel pad. If the car is also equipped with an air bag on the passenger side , the letlers 'SRS' will be embossed on the instrument panel above the glove compartmen t. On models from 1993 on , cars with SRS will also be equipped with pyrotechnical seat belt tensioners in the B-posts The SIPS bags are only installed in cars equipped with SRS systems , 1995-. Cars with SIPS bags can be recognized by the identifying labels on the windshield and on seat storage tray Dashboard or around sleering column Take care to avoid the SRS wiring being pinched , frayed or pierced by screws when working on the firewall , knee bolster , ignition switch , steering column casings , glove compartment , instrument panel , door sills and B-posts Cenler console The SRS collision sensor is located between the handbrake and gear lever (selector) in the center console. Never install accessories on or near the senso r. The collision sensor connector on 1992 models must never be disconnected Repairs 10 sleering gear and column 3122rgl;但 JI;11:l 二53:At;gzgrr:在 12r;2 斗 11rZA:27;ef1111: 出口J;1;fJZI will be damaged if the steering wheel is turned more than three turns in either direction Seals The SIPS bag sensor is located in the front section of the seat storage tray. The SIPS-bag can be activated by a bl ow or pressure on the tray or if an object is caught between the tray and the door when the door is closed. Refer to the SIPS bag Service manual when carrying out work on the front seats Tesllerminal -1995: Diagnostic unit B in the engine compartment is used for fault-tracing purposes 1996-: Data Li nk Connector socket in passenger compartment Modifications to March 1996 included Modifications introduced after the above date are not covered in this manual See Service Bulletins as applicable Volvos are sold in versions adapted for different markets. These adaptations depend on many factors including legal , taxation and market requirements. This manual may therefore show illustrations and text which do not apply to cars in your country Volvo owners planning to export their car(s) to another country should investigate the applicable safety and exhaust emission requirements. In some cases it may be impossible to comply with these requirements @ Volvo Car Co r porali on

1 Fuses ............................................................................................... 2 Fuses, Diesel ................................................................................... 4 Relays in positions 210-211 ............................................................ 8 Engine management system relays, Diesel .................................... 9 Electrical distribution ....................................................................... 10 Electrical distribution, Diesel ........................................................... 11 Ground point 31/71 .......................................................................... 12 Diesel ground point 31/32 ............................................................... 12 Group 23/28 Multiport fuel injection (MFI) system, LH-jetronic 3.2 & EZ 129 K ...................................................................................... 13 Multiport fuel injection (MFI) system, Fenix 5.2 .............................. 14 Sequential fuel injection (SFI) system, Motronic 4.3 (B 5204 T, B 5234 T) ....................................................................... 16 Sequential fuel injection (SFI) system, Motronic 4.3 (B 5254 S) ....................................................................................... 18 Sequential fuel injection (SFI) system, Motronic 4.4 (B 5254 S) ....................................................................................... 20 Sequential fuel injection (SFI) system, Motronic 4.4 (B 5254 T) ........................................................................................ 22 Engine management system MSA 15.7 .......................................... 24 Group 26 Engine coolant fan (FC), Diesel ...................................................... 26 Group 27 Cruise control, Diesel ...................................................................... 27 Group 32/33 Power supply and starting system, Diesel ...................................... 26 Group 35 High and low beams ........................................................................ 29 High and low beam, Diesel ............................................................. 30 Courtesy light, (4-door) ................................................................... 31 Courtesy light, (5-door) ................................................................... 32 Group 36 Guard Alarm II ................................................................................. 33 Electronic Immobilizer ..................................................................... 34 Electronic Immobilizer, Diesel ......................................................... 35 Group 37 On-board diagnostic system (OBD system) .................................... 36 On-board diagnostic system (OBD system), Diesel ........................ 37 Group 38 Seat belt reminder ........................................................................... 38 Seat belt and key warning, USA, Canada, Korea ........................... 39 Seat belt and key warning, Australia ............................................... 40 Combined instrument panel VDO .................................................... 41 Combined instrument panel VDO, Diesel ........................................ 42 Group 39 Radio with 4x50 W extra amplifier, 4-door ...................................... 43 Radio with 4x50 W extra amplifier, 5-door ...................................... 44 Group 43 AW 50-42 electronically controlled automatic transmission (Fenix 5.2, Motronic 4.3/4.4) ........................................................... 45 AW 50-42 electronically controlled automatic transmission (MSA 15.7) ...................................................................................... 46 Group 59 ABS Brake system and TRACS ...................................................... 47 ABS Brake system and TRACS, Diesel .......................................... 48 Group 83 Central locking, 4-door .................................................................... 49 Central locking, 5-door .................................................................... 50 2-stage central locking, 4-door ........................................................ 51 2-stage central locking, 5-door ........................................................ 52 Central locking with deadlock, 4-door ............................................. 53 Central locking with deadlock, 5-door ............................................. 54 Remote control central locking ........................................................ 55 List of components (foldout) ...................................... at end of manual Feedback ................................................... on last page of this manual Order no. TP 3917031 (UK) Order no. TP 3917201 (USA/CDN) We reserve the right to make alterations without prior notification This book deals with the electronic systems and their functions which are specific for 1997 cars or which differ from the corresponding electrical functions in the 1996 model year cars. Service Manual Section. 3 (39) Wiring diagrams 850 1996 can be referred to when Contents

Fuses 同 311:15 工业却30【" - yy。 --l R e a L_____ y.'{Q ------------ -- --- -- 圭旦旦 μb 4T T3 几‘ a '"钮，一一一一一 211 :3 8 31150 w 3/2 :2 2I l:5A 缸1 :151 ~1 二X 11130 '-- t... t... 23 23 23 R > d BL-Y 1~' I" "昼 ι ，筝 '"''''ιi e a 1门+ 111:+ 1/1:+ 311 :8 o >' , ?LrM IL- bh 区 " z 11。忑. " J t :但 111 ‘ , m 3 ' im km 1 1/10 3 R 11 11 1 3 11115 3 -AUh 3 LHD RHD 11 /36 1 1/19 1111 11119 11 139 1111"' '' \ 3沁户吃~"练习萨伞ι//1 1 11 /39 11/40 I 11/40 11137 刊 138 刊 138 11 /37 11118 2

Fuses , Diesel 问 24f43 帆6Ä:41 3 (j R-öß [! • ., , 同 "时 , , 2 且 12 11 羊OY!:. 311 : 15 ZI」B R m 8 L 千一一 - u 1---------- ,'"- 主旦旦 γ7 t;:ßØ ~ 二问了'3 4T T3 四" 31150 、v 3/2 :2 311 :1驯 311 :X 211 :5A I 211 :38 2323232323 ，如 d 2 ，如 211:58 军副 • Z|Z -2 -3 -2 -3 -2 -312-3 -2 -3 2 > a l d 1~4 1町回 J主 "Æ 由 1116 1111厅 111118 圃，，~ 四 1111。回 11111 311:8 ? >, . 言-， T , 4 :川5 1::ne L rh 11/1 23 23 23 23 2 3 23 2 3 2 3 2-3 2 -3 -2 -3 -2-3 4

Relays in positions 210-211 8 210-211 Alarm relay (2128) 。r Remote control central locking lindication LED electronic immobilizer (2月 10) If the car is not equipped with relays 2/28 or 21110 , there is a bridge at position 210. Position 211 is then vacant. LHD RHD

Engine management system relays , Diesel In relay/fusebox engine compartment 2/14 2/32 Glow plug relay Fuel system main relay 却74 2厅4 Extra heater relay 2114 2132 9

百 211:1A 制6A:揭 4145A:10 4月 OA:l0 4哑 8A;10 Y 一一一一一一- - --一一一一~ - --一一一 - -→ J一 l 413:3T ~l，!lO.. :;:; vn 斗A m GN-R 纪J且三能豆t!.!j AUTO Y-\/O "" Y-VO 回 I 312:2 " 241138 "刷 511A:18 血?3 1 ( ' 1 2 犁，-主--zo--尼明?--h@bLU 211:5A o F 1日4 ~137 t ß8 ,., 伫7 1116 81屿 1 EZ129K 队啊 u 一一←一一一 ...._-- ...， 4115:3 。哩"坦尊 !llo 哩 u‘ ~:3 MOTRON IC 4_314_4 BL.R 。 }.iQT.R9_N1C_4.可"，!.，! !Il..~ FENIX 5.2 飞乱， EOZ32ZH曲-u-帽UZFFUω-u

F 俨 3 1/4 ZE 。7@F、，白宫、. E dp俨F丽 ~ fl l:f! -Ð 4128A:30 ' I mmm 24143 11B13 , ~旦，.， c平! 画: ττγ兰 2 主 23/<l 四1 且ι…ERZR丰、， """ 2 2主基高 "即1 恒 R 4128A:10 ~铺A，刊 4146A :29 0- 4 山6A:43 的1:5 24154:3 n 4146A: 41 制冈同 l i ;工飞2 在自ZEffj窍S R 主 "-'0 I 2131 " -omo-ORE。-H3aτ扭曲-3-muZHU曲-川剧一一一一一一一一一一一一一 l一一一一一一一一一一一一一一一一一一一一「一 EJ L-Y Y 叩 312:6 24113B 且且『王 R-SB 511A:16 312:7 队 V Y 叩 3 " , I ‘ w t 137 E刷旦旦 24J2C E 11 /32 419 :5 ;n8 且 mk: 刷 1扣』川剧 24113B 爸 > d "刷明?↓护H2 2z d 2I1:5A 511A:18 " '518 R " ，~， " " , , " 24113C r 一一一一一 - l~lI17 "门6 3 11115 网" 3 11111 3 11110 3 1116 3 1115 3 " 队 R 1111 民 R , , 肌肉

Ground point 31 斤 1 31 厅1 Ground point right side member in engine compartment Diesel ground point 31/32 31/32 Engine ground point 12

1997 Volvo 850 Wiring Diagrams

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