Volvo Trucks Fm9 Fm12 Fh12 Fh16 Nh12 Version2 Wiring Diagram Service Repair Manual

Service Manual Trucks Group 37 Release 01 Wiring diagram FM9, FM12, FH12, FH16, NH12 VERSION2 FM, FH CHID A 591628- FM, FH CHID B 381169- 20 014938

Foreword The descriptions and service procedures contained in this manual are based on designs and methods studies carried out up to September 04. The products are under continuous development. Vehicles and components produced after the above date may therefore have different specifications and repair methods. When this is judged to have a significant bearing on this manual, supplementary service bulletins will be issued to cover the changes. The new edition of this manual will update the changes. In service procedures where the title incorporates an operation number, this is a reference to V.S.T. (Volvo Standard Times). Service procedures which do not include an operation number in the title are for general information and no referenceis made to V.S.T. The following levels of observations, cautions and warnings are used in this Service Documentation: Note: Indicates a procedure, practice, or condition that must be followed in order to have the vehicle or component function in the manner intended. Caution: Indicates an unsafe practice where damage to the product could occur. Warning: Indicates an unsafe practice where personal injury or severe damage to the product could occur. Danger: Indicates an unsafe practice where serious personal injury or death could occur. Volvo Truck Corporation Göteborg, Sweden Order number: 20 014938 © 04 Volvo Truck Corporation, Göteborg, Sweden All rights reserved. No part of this publication may be reproduced, stored in retrieval system, or transmitted in any forms by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of Volvo Truck Corporation. ENG15719

Contents Example of wiring diagram ................................................................... 2 Component wiring diagram index ........................................................ 5 Component wiring diagrams ................................................................ 8 Illustrations index ................................................................................ 88 Illustrations ........................................................................................... 89 Fuses ................................................................................................... 167 Relays ................................................................................................. 169 Wiring harness illustration index ..................................................... 171 Earth connections ............................................................................. 174 List of earth connections .................................................................... 176 List of connectors .............................................................................. 177 List of components ............................................................................ 185 Abbreviations ..................................................................................... 191 Cable colour code .............................................................................. 193 Feedback 1

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Example of wiring diagram Example of wiring diagram Component wiring diagram title, variant/subtitle and symbol. Coordinates (B 1). 30 Voltage battery, kl.30. 15 Voltage with starter key in drive position, kl.15. DR Voltage with starter key in drive position, preheat position and start position, kl.DR. 61 Voltage when alternator charges, kl.61. Splice. Fuse. Reference arrow, for diagram BA, coordinates 0 C, component A17, connector PA pin 29. 2

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Example of wiring diagram The maximum of variants are drawn, think about that all wires and components are not standard for all markets or vehicle models. Switch. Relay. Conductor on circuit card. Connector MB terminal 9. Wire area and colour. Thin lines, wires. 3

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Example of wiring diagram Earth connection point 4, earth connection 1 and wire 2. Earth connection to circuit card. Earth connection without wire. Same splice can be drawn on several diagrams. The wire from the splice to the earth connection point will only be drawn and coded on one diagram. On the other diagrams will only the earth connection point be written besides the splice. 4

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Component wiring diagram index Component wiring diagram index AA Power supply, starting system ........................................................................................ page 8 AB Remote main switch ....................................................................................................... page 9 AC Power distribution ........................................................................................................... page 10 AE ADR, main switch ........................................................................................................... page 11 BA Vehicle ECU .................................................................................................................... page 12 BE ACC Adaptive cruise control ........................................................................................... page 13 BI Instrument cluster ........................................................................................................... page 14 BM Tachograph in dash ........................................................................................................ page 15 BN Tachograph in shelf ......................................................................................................... page 16 BU Dynafleet ........................................................................................................................ page 17 BX FMS Gateway ................................................................................................................. page 18 BY Volvo link (VERS-SAM) .................................................................................................. page 19 CM Engine interface .............................................................................................................. page 20 CO Engine D9 ....................................................................................................................... page 21 Engine D12 ..................................................................................................................... page 22 Engine D16 ..................................................................................................................... page 23 CP ISX functions, 12V trailer ABS converter (AUS only) ...................................................... page 24 CS Engine ISX (AUS only) ................................................................................................... page 25 CU Fuel filter water drain ...................................................................................................... page 26 DB Gear selector ECU ......................................................................................................... page 27 DE Geartronic automatic gearshift ....................................................................................... page 28 DI Powertronic ..................................................................................................................... page 29 DM Retarder manual gearshift .............................................................................................. page 30 DN I-shift ............................................................................................................................... page 31 DQ Power take off ................................................................................................................. page 32 DU Diff-lock ........................................................................................................................... page 33 EE ABS basic, D-version ...................................................................................................... page 34 EI ABS/ASR D-version ........................................................................................................ page 35 EO EBS ECU ........................................................................................................................ page 36 EP EBS modulators .............................................................................................................. page 37 FA Air-suspension ............................................................................................................... page 38 FG Load indikator ................................................................................................................. page 39 FI Bogie lift A-ride ............................................................................................................... page 40 FK Bogie lift A-ride with axle load limiter .............................................................................. page 41 FM Axle lock, self steered axle ............................................................................................. page 42 FO Electronic steered axle ................................................................................................... page 43 FP Hydraulic steered axle .................................................................................................... page 44 5

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Component wiring diagram index FQ Air dryer .......................................................................................................................... page 45 FU Central lubrication system .............................................................................................. page 46 GA LCM head lights .............................................................................................................. page 47 GB LCM trailer ...................................................................................................................... page 48 GC LCM rear lights ............................................................................................................... page 49 GE Rear lights overhang ....................................................................................................... page 50 GF Rear lights, India/Korea .................................................................................................. page 51 GG Trailer connections, RIGID .............................................................................................. page 52 GH Trailer connections, TRACTOR ....................................................................................... page 53 GK Trailer connections (AUS only) ....................................................................................... page 54 GM Wiper, washer ................................................................................................................. page 55 GQ Horn ................................................................................................................................ page 56 GU Headlights adjust ............................................................................................................ page 57 HG Climate unit, CU,-BAS,-MCC,-ECC ................................................................................ page 58 HI Air heater ........................................................................................................................ page 59 HM Water heater ................................................................................................................... page 60 HP Short stop cab heater ..................................................................................................... page 61 HY Climat unit, CU,-HEAT,-ACMAN,-ACAUT . ....................................................................... page 62 HZ Air cooler, Brazil .............................................................................................................. page 63 IA El. heated/adj. seat ........................................................................................................ page 64 IE El. heat/adj. mirrors, El. window winders ....................................................................... page 65 IF Foldable mirror bracket ................................................................................................... page 66 IH Interior light ..................................................................................................................... page 67 IM Central locking, immobiliser ............................................................................................ page 68 IQ El. sunroof, cig. lighter, refrigerator ................................................................................ page 69 IR 12V power supply ........................................................................................................... page 70 IS SWM, SRS. Air-bag ........................................................................................................ page 71 IU Radio .............................................................................................................................. page 72 IX Integrated telephone ....................................................................................................... page 73 IZ Backup camera ............................................................................................................... page 74 KA Cab tilt ............................................................................................................................ page 75 KE Load light, 5:th wheel lamp ............................................................................................. page 76 KI Light sign ........................................................................................................................ page 77 KM Beacon warning light ...................................................................................................... page 78 ME Extra fuse block, key switch relay ................................................................................... page 79 NA Body builder (BB), auxsw-6 and swapbody .................................................................... page 80 NC Body builder (BB), ELCE-CK, BBM, PTO2 ..................................................................... page 81 NI Extra spotlamps front/roof, max 4x70W .......................................................................... page 82 6

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Component wiring diagram index NK Burglar alarm .................................................................................................................. page 83 NU Body builder (BB), DUAL-SPEED ................................................................................... page 84 OA Tyre pressure monitoring (TPM) ..................................................................................... page 85 XA Bus J1708/J1587 ............................................................................................................ page 86 XB Bus J1939 ....................................................................................................................... page 87 7

Group 37 Wiring diagram FM9, FM12, FH12, FH16, NH12 Component wiring diagrams Component wiring diagrams T3017629 8

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Volvo Trucks Fm9 Fm12 Fh12 Fh16 Nh12 Version2 Wiring Diagram Service Repair Manual

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