VOLVO FH12 , FH16 LHD schematy.PDF

Service Manual

Trucks

Group 37

Version 01

Wiring diagram

FH12, FH16 LHD

To be inserted into the binders for FM, FH.

TSP119544

Foreword

The descriptions and service procedures contained in this manual are based on designs

and methods studies carried out up to September 1998.

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 reference is made to V.S.T.

The following levels of observations, cautions and warnings are used in this Service

Documentation:

Note: Indicates a situation, handling or circumstance which should be observed.

Important: Indicates a situation, handling or circumstance which should be emphasized

so as not to lead to personal injury or damage to property.

Caution: Indicates a potentially hazardous situation which, if not avoided, may result in

minor or moderate injury or damage to property.

Warning: Indicates a potentially hazardous situation which, if not avoided, could result

in death, serious injury or major damage to property.

Danger: Indicates an imminently hazardous situation which, if not avoided, will result in

death or serious injury.

Volvo Truck Corporation

Göteborg, Sweden

Order number: TSP119544

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.

Contents

Example of wiring diagram ................................................................... 2

Examples of symbols on wiring diagram ........................................... 3

Component wiring diagram index ....................................................... 5

Component wiring diagrams ................................................................ 7

Illustrations index ................................................................................ 48

Illustrations ........................................................................................... 49

Circuit card electrical centre ............................................................ 104

Fuses on circuit card electrical centre ........................................... 105

Relays on circuit card electrical centre .......................................... 106

Cable harness illustration index ...................................................... 107

List of connectors ............................................................................. 110

List of components ........................................................................... 117

Abbreviations ..................................................................................... 123

Cable colour code ............................................................................. 124

Feedback

Group 37 Wiring diagram FH12, FH16 LHD

Example of wiring diagram

Refer to the list of contents for the designation of the

circuit diagram. If the circuit diagram designation is

boxed in with broken lines this means that the circuit

diagram is not standard on all market or vehicle

models.

Seek column.

30 Voltage battery, kl.30.

15 Voltage with starting key in drive position, kl.15.

61 Voltage when alternator charges, kl.61.

Reference arrow (for circuit diagram EA, seek column

13).

Switch, comp. no. (104).

Single lines, cables.

Relay, comp. no. (303).

Cable area and colour (0.75 mm 2

blue).

Connector (CLA terminal 4).

Bulb, comp. no. (403)

A broken line box round the component number

shows that the component is not standard on all mar-

kets or vehicle models.

If the line is broken this means the cable is not stan-

dard on all markets or vehicle model.

Earth connection point no: 2. and earth terminal no: 4.

(see diagram Earth Connections).

Joint sleeve.

T3009608

Group 37 Wiring diagram FH12, FH16 LHD

Examples of symbols on wiring diagram

Battery

Connector

Junktion

Fuse

Joint sleeve

Cable

Twisted cables

Conductor on circuit card

Earth connection and cable

Switch

Switch, starting switch

Closing contakt

Closing contakt, pressure-regulated

Break contakt, temperature-regulated

Closing contakt, time-regulated

Slip contakt, horn

Relay

Relay with internal circuit diagram

T3009609

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