Volvo FL Truck Electrical Wiring Diagram Manual INSTANT

D Service Manual Trucks Group 37 Release 04 Wiring diagram FL 88917352

D Foreword The descriptions and service procedures contained in this manual are based on designs and methods studies carried out up to June 09. 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: 88917352 Repl: Service Manual group 37 20150038 © 09 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. ENG35400.ihval

D Contents Example of wiring diagram ................................................................... 2 Component wiring diagram index ........................................................ 6 Component wiring diagrams ................................................................ 8 Illustrations index ................................................................................ 78 Illustrations ........................................................................................... 79 Fuses ................................................................................................... 124 Relays ................................................................................................. 127 Wiring harness illustration index ..................................................... 129 Ground connections .......................................................................... 132 List of ground connections ................................................................. 134 List of connectors .............................................................................. 135 List of wiring numbers ...................................................................... 180 List of components ............................................................................ 182 Abbreviations ..................................................................................... 185 Feedback 1

D Group 37 Wiring diagram FL 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 and start position, kl.15/kl.DR. Splice. Fuse. Reference arrow, for diagram AA, coordinates 0 C, component K51B, connector C pin 1. 2

D Group 37 Wiring diagram FL 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 EN terminal 1. Wire area and wire number. 3

D Group 37 Wiring diagram FL Example of wiring diagram Thin lines, wires. Connectors. 1 EJB connectors. 2 Pass through connector chassis-cab. 3 Others. “OR”It is an exclusive OR (only one possibility) between the different solutions (1 or 2 or 3), due to the configuration of the vehicle. Electronic Control unit. The inputs/outputs of ECUs are symbolized in the way described below: 2 alternative of digital output low (set to the ground). Digital output high (set to 24V, 5V...). Ground of ECU. Analog input. Active low. Active high. Ending resistance of communication bus CAN (120 ) 4

D Group 37 Wiring diagram FL Example of wiring diagram Wiring numbers T3018844 Example of wiring numbers. Wire equipotential: Equipotential is a wire propriety which characterize a signal flowing a wire (same signal = same equipotential). Several wires could have the same equipotential. The first digit of the number Family 1 Ground and negative supply 2 Positive supply 3 Signal 4 Comfort accessories 5 Security accessories 6 Lighting 7 Instrumentation 8 Body builder 9 Free 0 Electronic/Data link Starting switch Switch logic diagram. Key in position Terminal Key inserted — “0” — “I” — “II” — “III” Key inserted (1) Off Accessories (5) +15/DR (3) 50 (2) 5

D Group 37 Wiring diagram FL Component wiring diagram index Component wiring diagram index AA Power supply, starting system, UADR ............................................................................ page 8 AB Power distribution, UADR ............................................................................................... page 9 AC Power supply, starting system, ADR ............................................................................... page 10 AE Power distribution, ADR .................................................................................................. page 11 AG Accessories power supply .............................................................................................. page 12 AH Power supply, kl.15, relay K10 ........................................................................................ page 13 AI Power supply, kl.15, relay K21 ........................................................................................ page 14 AJ Power supply, kl.15, relay K27 ........................................................................................ page 15 BA Vehicle ECU .................................................................................................................... page 16 BA1 Vehicle ECU .................................................................................................................... page 17 BK Instrument cluster .......................................................................................................... page 18 BM Tachograph ..................................................................................................................... page 19 BT Fleet management system Gateway (FMS) ................................................................... page 20 CU1 Engine ECU (B connector) ............................................................................................. page 21 CU2 Engine ECU (A connector) ............................................................................................. page 22 CU3 Engine air preheater, fuel heater .................................................................................... page 23 CU4 Engine ECU NOXCARE system ..................................................................................... page 24 DC Single H (ZTO1109) ........................................................................................................ page 25 DO Gear box (ATO1056) ....................................................................................................... page 26 DQ Power take off ................................................................................................................. page 27 DQ1 Automatic transmission (AL306) ..................................................................................... page 28 DU Differential lock ............................................................................................................... page 29 EM1 EBS ECU, connector X1/X2 ........................................................................................... page 30 EM2 EBS ECU, connector X3/X4 ........................................................................................... page 31 EN1 EBS modulators .............................................................................................................. page 32 FA Air-suspension, TRACTOR 4x2 FSS-LEAF SUSPL-E1/SUSPL-E3 ............................... page 33 FA1 Air-suspension, 4x2 GVW14000/GVW16000 ................................................................. page 34 FA2 Air-suspension, 4x2 GVW18000 .................................................................................... page 35 FC Air power management ................................................................................................... page 36 GA1 Parking lights, Relay K31/K37 ........................................................................................ page 37 GA2 Parking lights, Relay K34 ................................................................................................ page 38 GB1 Low beam/high beam headlights control ........................................................................ page 39 GB2 Fog lights control, extra high beam headlights control ................................................... page 40 GC1 Headlight lamps .............................................................................................................. page 41 GC2 Side lights and beacon warning lights ............................................................................ page 42 GC3 Rear lamps ..................................................................................................................... page 43 6

D Group 37 Wiring diagram FL Component wiring diagram index GD Reverse lights/brake lights .............................................................................................. page 44 GF Trailer connections .......................................................................................................... page 45 GF1 Diagnostics connections ................................................................................................. page 46 GH1 Interior lighting L1H1/L2H1 ............................................................................................. page 47 GH2 Interior lighting, back area cab L2H1 .............................................................................. page 48 GH3 Interior lighting L4H1C .................................................................................................... page 49 GM Windscreen wiper washer .............................................................................................. page 50 GQ LCM/Flasher unit ............................................................................................................ page 51 GQ1 Horn ................................................................................................................................ page 52 HJ Air heater, UADR ............................................................................................................ page 53 HJ1 Air heater, ADR ............................................................................................................... page 54 HY Climate unit ..................................................................................................................... page 55 IA Heated seat/buzzer belt/cigar lighter .............................................................................. page 56 IF1 Heated adjustable mirror LHD ........................................................................................ page 57 IF2 Heated adjustable mirror RHD ........................................................................................ page 58 IM Central locking, immobiliser ............................................................................................ page 59 IN Theft alarm ..................................................................................................................... page 60 IO BBM ................................................................................................................................ page 61 IQ Sun roof/window lift ........................................................................................................ page 62 IQ1 Rear window lift .............................................................................................................. page 63 IR 12V power supply ........................................................................................................... page 64 IR1 12V power supply (AUD-CDB/AUD-CDM) ...................................................................... page 65 IU Radio (before w837) ....................................................................................................... page 66 IU1 Radio (after w837) .......................................................................................................... page 67 KA Brake body builder output/horameter ............................................................................. page 68 NA Body builder connector PB1 ........................................................................................... page 69 NB Body builder connector PB2 ........................................................................................... page 70 NC Body builder connector PB3 ........................................................................................... page 71 ND Body builder connector PB4 ........................................................................................... page 72 NE Body builder connector PB5 ........................................................................................... page 73 XA Bus J1708/J1587 ............................................................................................................ page 74 XB Bus J1939–1 ................................................................................................................... page 75 XC Bus J1939–2 ................................................................................................................... page 76 XD Bus J1939–7 ................................................................................................................... page 77 7

D Group 37 Wiring diagram FL Component wiring diagrams Component wiring diagrams T3020947 8

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Volvo FL Truck Electrical Wiring Diagram Manual INSTANT

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