Volvo Service Manual (EN)

Foreword The descriptions and service procedures contained in this manual are based on de- signs and methods studies carried out up to August 02. 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 ser- vice 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 refer- ence to V.S.T. (Volvo Standard Times).

Service procedures which do not include an operation number in the title are for gen- eral information and no reference is 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. Warning: Indicates an unsafe practice where personal injury or severe damage to the product could occur. Caution: Indicates an unsafe practice where damage to the product could occur. Danger: Indicates an unsafe practice where serious personal injury or death could oc- cur.

Volvo Truck Corporation Gцteborg, Sweden The following information will be superseded by this manual: SM Group 37 TSP 169444 Order number: TSP175664 © 02 Volvo Truck Corporation, Gцteborg, Sweden All rights reserved.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, me- chanical, photocopying, recording or otherwise, without the prior written permission of Volvo Truck Corporation. ENG11869

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Contents Example of wiring diagram ................................................................... 2 Component wiring diagram index ....................................................... 5 Component wiring diagrams ................................................................ 8 Illustrations index ................................................................................ 76 Illustrations ........................................................................................... 77 Fuses ...................................................................................................

137 Relays ................................................................................................. 139 Wiring harness illustration index ..................................................... 141 Earth connections ............................................................................. 144 List of earth connections ................................................................... 146 List of connectors ............................................................................. 147 List of components ...........................................................................

154 Abbreviations ..................................................................................... 160 Cable colour code ............................................................................. 161 Feedback 1

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Group 37 Wiring diagram FM9, FM12, FH12 Example of wiring diagram Example of wiring diagram Component wiring diagram title, variant/subtitle and sym- bol. 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 po- sition and start position, kl.DR. 61 Voltage when alternator charges, kl.61. Splice. Fuse. Reference arrow, for diagram BA, coordinates 0 C, com- ponent A17, connector PA pin 29. 2

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Group 37 Wiring diagram FM9, FM12, FH12 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

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