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Shop Manual 
electrical 
Pub.No.THSE0803, APRIL 2008 
For Chile 
() 
EURO 3 
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Shop Manual 
electrical 
Pub.No.THSE0803, APRIL 2008 
For Chile 
() 
EURO 3 
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HOW TO READ THIS MANUAL 
GROUP INDEX 
FOREWORD 
This Shop Manual is published for the information and 
guidance of personnel responsible for maintenance of 
Fuso ROSA series bus, and includes procedures for ad- 
justment and maintenance services. 
We earnestly look forward to seeing that this manual is 
made full use of in order to perform correct services with 
no wastage. 
For more details, please consult your nearest authorized 
Mitsubishi Fuso dealer or distributors. 
Kindly note that the specifications and maintenance ser- 
vice figures are subject to change without prior notice in 
line with improvement which will be effected from time to 
time in the future. 
APRIL 2008 
Applicable models 
BE 
©2008 Mitsubishi Fuso Truck & Bus Corporation Printed in Japan 
GENERAL ....... ...... ...... ...... ...... .... ...... ...... . 
SPECIFICATIONS .... ...... ...... ....... ... ...... .... 
STRUCTURE AND OPERATION...... ...... . 
TROUBLESHOOTING ...... ...... ....... ......... . 
POWER, CHARGE AND GROUND 
CIRCUIT ... ....... ...... ...... ...... ...... .......... ...... . 
STARTING CIRCUIT ... ...... .......... ...... ....... 
LIGHTING CIRCUIT ....... ...... ....... ......... .... 
METER CIRCUIT...... ...... ...... ....... ...... ...... . 
INDICATOR AND WARNING 
LAMP CIRCUIT .. ...... ...... ...... ....... ...... ...... . 
BODY SIDE ELECTRICAL CIRCUIT...... . 
CHASSIS SIDE ELECTRICAL 
CIRCUIT ... ....... ...... ...... ...... ...... .......... ...... . 
OTHER CIRCUIT... ...... ... ...... ....... ...... ...... . 
ELECTRICAL EQUIPMENT 
INSTALLATION POSITIONS ...... ......... .... 
INSPECTION OF ELECTRICAL 
EQUIPMENT ...... ...... ...... ...... ....... ...... ...... . 
STARTER AND ALTERNATOR ........ ....... 
ON-VEHICLE INSPECTION AND 
ADJUSTMENT ... ...... ...... ...... .......... ...... .... 
CONNECTOR CONFIGURATION 
CHART .. ...... ....... ...... ...... ...... ....... ... ...... .... 
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This Shop Manual contains the information classified into the following groups. 
If any system or equipment has two or more variations with significantly different construction, the variations are 
handled as different groups. These groups are identified by different alphabets preceded by the same number. 
1. ENGINE volume 
2. CHASSIS volume 
3. ELECTRICAL volume 
Group No. 
Group subject 
11 
ENGINE 
12 
LUBRICATION 
13A 
FUEL AND ENGINE CONTROL 
13E 
ELECTRONICALLY CONTROLLED FUEL SYSTEM 
14 
COOLING 
15 
INTAKE AND EXHAUST 
17 
EMISSION CONTROL 
Group No. 
Group subject 
21 
CLUTCH 
22 
MANUAL TRANSMISSION 
25 
PROPELLER SHAFT 
26 
FRONT AXLE 
27 
REAR AXLE 
31 
WHEEL AND TIRE 
33 
FRONT SUSPENSION 
34 
REAR SUSPENSION 
35 
BRAKE 
36 
PARKING BRAKE 
37 
STEERING 
41 
FRAME 
55 
HEATER, AIR-CONDITIONER AND VENTILATION 
63 
BODY 
Group No. 
Group subject 
54 
ELECTRICAL 
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CONTENTS 
HOW TO READ THIS MANUAL 
HOW TO READ THIS MANUAL ........................ 2 
54-00A GENERAL 
VEHICLE MODEL CODING 
SYSTEM .......... .... ................................. 54-00A-2 
CHASSIS NUMBER, ENGINE NUMBER 
AND NAME PLATE ............................. 54-00A-3 
PRECAUTIONS FOR MAINTENANCE 
OPERATION .... .... ....... .... ....... .... ....... ... 54-00A-4 
JACKING UP THE VEHICLE ............. 54-00A-14 
DIAGNOSIS CODES 
1. Diagnosis Codes ................................... 54-00A-16 
2. Access and Clearing of Stored 
Diagnosis Code . ..... .... ....... .... ....... .. 54-00A-16 
54-00B SPECIFICATIONS 
SPECIFICATIONS ...... .... ....... .... .......... 54-00B-2 
54-00C STRUCTURE AND 
OPERATION 
1. Starter....................................................... 54-00C-2 
2. Alternator ................................................. 54-00C-3 
3. Wiper Control .......................................... 54-00C-6 
4. Starter Continuous Energizing Preventing 
Function ... .... .... ... .... .... ... .... .... ... .... .. 54-00C-8 
54-00D TROUBLESHOOTING 
TROUBLESHOOTING .. .. ....... .... ....... .... 54-00D-2 
54-01 POWER, CHARGE AND 
GROUND CIRCUIT 
FUSE BOX .. ... .. .... ....... .... ....... .... ....... .... .. 54-01-2 
POWER SUPPLY CIRCUIT........... 54-01-4 
RESERVE POWER CIRCUIT ...... 54-01-12 
BATTERY CHARGING 
CIRCUIT............. ........................... 54-01-13 
GROUND .. ..... .... ....... .... ....... .... .... 54-01-14 
54-02 STARTING CIRCUIT 
ENGINE STARTING CIRCUIT ...... 54-02-2 
54-03 LIGHTING CIRCUIT 
HEADLAMP CIRCUIT .... ... ...... ...... 54-03-2 
FOG LAMP CIRCUIT............... ...... 54-03-3 
TAIL LAMP, CLEARANCE LAMP AND 
LICENSE PLATE LAMP 
CIRCUIT.................... .... ....... .......... 54-03-4 
STOP LAMP CIRCUIT......... .... ...... 54-03-5 
TURN SIGNAL AND HAZARD 
LAMP CIRCUIT . ....... .... ....... .......... 54-03-6 
BACKUP LAMP CIRCUIT ... .......... 54-03-7 
ROOM LAMP CIRCUIT ..... ............ 54-03-8 
ILLUMINATION LAMP 
CIRCUIT.................... .... ....... .......... 54-03-9 
STEP LAMP CIRCUIT ......... .... .... 54-03-10 
54-04 METER CIRCUIT 
METER CLUSTER INTERNAL 
CIRCUIT.................... .... ....... .......... 54-04-2 
TACHOMETER CIRCUIT .............. 54-04-3 
SPEEDOMETER CIRCUIT ............ 54-04-4 
FUEL GAUGE CIRCUIT ...... .... ...... 54-04-5 
WATER TEMPERATURE GAUGE 
CIRCUIT.................... .... ....... .......... 54-04-6 
110 
115 
125 
130 
210 
310 
315 
320 
325 
330 
340 
345 
348 
378 
401 
410 
412 
420 
425 
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54-05 INDICATOR AND 
WARNING LAMP 
CIRCUIT 
PARKING BRAKE INDICATOR 
CIRCUIT......................................... 54-05-2 
BRAKE WARNING CIRCUIT ........ 54-05-3 
ENGINE OIL PRESSURE WARNING 
CIRCUIT . .. .... ....... .... ....... .... ....... .... .. 54-05-4 
BRAKE PAD WARNING 
CIRCUIT......................................... 54-05-5 
FUEL FILTER WARNING 
CIRCUIT......................................... 54-05-6 
DOOR INDICATOR CIRCUIT ........ 54-05-7 
54-06 BODY SIDE 
ELECTRICAL CIRCUIT 
CIGARETTE LIGHTER CIRCUIT .. 54-06-2 
AUDIO CIRCUIT .. .... ... .. .. .. .. ... .. .. .. .. 54-06-4 
WIPER AND WASHER CIRCUIT .. 54-06-6 
HORN CIRCUIT . .... ........................ 54-06-7 
HEATER CIRCUIT ......................... 54-06-8 
AIR CONDITIONER CIRCUIT ..... 54-06-10 
AUTOMATIC DOOR CIRCUIT..... 54-06-13 
CLOCK CIRCUIT ... ...................... 54-06-14 
BOTTLE COOLER CIRCUIT ....... 54-06-15 
REAR WIPER AND WASHER 
CIRCUIT............. .... ...................... 54-06-16 
54-07 CHASSIS SIDE 
ELECTRICAL CIRCUIT 
EXHAUST BRAKE CIRCUIT......... 54-07-2 
54-09 OTHER CIRCUIT 
DIAGNOSIS SWITCH AND MEMORY 
CLEAR SWITCH CIRCUIT . ... .... .... 54-09-2 
ELECTRONICALLY CONTROLED FUEL SYSTEM 
. ... .... .... ... .... ....... .... ....... .... ....... .... ..... (See Gr13E.) 
EXHAUST GAS RECIRCULATION SYSTEM 
. ... .... .... ... .... ....... .... ....... .... ....... .... ....... (See Gr17.) 
54-10 ELECTRICAL 
EQUIPMENT 
INSTALLATION 
POSITIONS 
BODY SIDE 
SWITCH.. .... .... ... .... ....... .... ....... .... ...... 54-10-2 
RELAY AND ELECTRONIC 
CONTROL UNIT.. .. ....... .... ....... .... ...... 54-10-4 
FUSE, METER, SENSOR, MOTOR 
AND BUZZER ..... .............................. 54-10-6 
HEATER AND AIR-CONDITIONER.. 54-10-7 
ROOF ....... .... ....... .... ... .... .... ... .... .... ... . 54-10-7 
JOINTS OF MAIN HARNESS 
CONNECTORS ... ......... .... ....... .... ...... 54-10-8 
OTHER ..... .... ....... .... ... .... .... ... .... .... .. 54-10-10 
ENGINE AND TRANSMISSION 
ENGINE .. .... .... ... .... ....... .... ....... .... .... 54-10-11 
TRANSMISSION .......... .... ............... 54-10-12 
CHASSIS SIDE 
SWITCH AND SENSOR.................. 54-10-13 
BATTERY . ...... ... .... ....... .... ....... .... .... 54-10-13 
MAGNETIC VALVE. ..... .... ....... .... .... 54-10-13 
BUZZER, LAMP .. .. ....... .... ....... .... ..... 54-10-14 
OTHER ..... .... ....... .... ... .... .... ... .... .... ... 54-10-14 
54-11 INSPECTION OF 
ELECTRICAL 
EQUIPMENT 
#001 to #179 SWITCH .................. .... ...... 54-11-2 
#180 to #249 RELAY .................... .... ...... 54-11-7 
#250 to #349 SENSOR .......... ....... .... ...... 54-11-8 
#350 to #409 CONTROL UNIT ... .... .... .. 54-11-10 
#410 to #509 MOTOR........ .... ....... ........ 54-11-11 
#560 to #609 MAGNETIC VALVE ........ 54-11-13 
#610 to #649 BUZZER, HORN .............. 54-11-14 
#720 to #749 INTERIOR ............... .... .... 54-11-15 
#750 to #859 OTHER ........ .... ....... .... .... 54-11-15 
#860 BATTERY ... ... .... ....... ................... 54-11-17 
#890 METER CLUSTER ........................ 54-11-20 
510 
515 
536 
540 
566 
576 
610 
612 
614 
616 
618 
620 
625 
675 
676 
682 
710 
907 
A 
B 
C 
D 
F 
J 
P 
R 
S 
T 
U 
V 
W 
X 
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54-12 STARTER AND 
ALTERNATOR 
#930 STARTER.... ....... ............................. 54-12-2 
#940 ALTERNATOR............................. 54-12-16 
54-13 ON-VEHICLE 
INSPECTION 
AND ADJUSTMENT 
#950 INSPECTION OF ALTERNATOR .. 54-13-2 
#951 INSPECTION OF REGULATOR .... 54-13-3 
#956 INSPECTION OF STARTER 
CONTINUOUS ENERGIZING 
PREVENTING FUNCTION ............ 54-13-4 
#960 HEADLAMP AIMING .... ................. 54-13-8 
#961 FOG LAMP AIMING..................... 54-13-10 
54-14 CONNECTOR 
CONFIGURATION 
CHART 
CONNECTOR CONFIGURATION 
CHART .................................................... 54-14-2 
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1 
HOW TO READ THIS MANUAL 
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2 
HOW TO READ CIRCUITS (ELECTRICAL) 
HOW TO READ THIS MANUAL 
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