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Shop Manual 
electrical 
Pub.No.THSE0604, AUGUST 2006 
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Shop Manual 
electrical 
Pub.No.THSE0604, AUGUST 2006 
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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 
Mitsubishi CANTER series truck, and includes procedures 
for adjustment 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. 
AUGUST 2006 
Applicable models 
FB, FE, FG 
©2006 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 .. ...... ...... ...... .......... ...... .... 
CAB SIDE ELECTRICAL CIRCUIT .. ....... 
CHASSIS SIDE ELECTRICAL 
CIRCUIT ... ....... ...... ...... ......... ....... ...... ...... . 
ENGINE AND TRANSMISSION 
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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CONTENTS 
HOW TO READ THIS MANUAL 
HOW TO READ THIS MANUAL ....... .... ....... .... .. 1 
54-00A GENERAL 
PRECAUTIONS FOR MAINTENANCE 
OPERATION .... .... ....... .... ....... .... ....... ... 54-00A-2 
54-00B SPECIFICATIONS 
SPECIFICATIONS ............................... 54-00B-2 
54-00C STRUCTURE AND 
OPERATION 
1. Starter....................................................... 54-00C-2 
2. Alternator ................................................. 54-00C-4 
3. Headlamp ................................................. 54-00C-6 
4. Meter Cluster ........................................... 54-00C-7 
5. MUTIC (Multipurpose timing control 
unit) ....................................................... 54-00C-14 
6. Engine Electronic Control Unit. ....... .. 54-00C-21 
54-00D TROUBLESHOOTING 
TROUBLESHOOTING .... ....... .... ....... .... 54-00D-2 
54-01 POWER, CHARGE AND 
GROUND CIRCUIT 
HIGH-CURRENT FUSE BOX ......... ........ 54-01-2 
FUSE BOX ....... .... ....... .... ....... .... ....... .... .. 54-01-4 
POWER CIRCUIT .... ..... .... ....... .... .. 54-01-8 
RESERVE POWER CIRCUIT .... .. 54-01-17 
BATTERY CHARGING CIRCUIT 54-01-18 
GROUND .... ....... .... ....... .... ....... .... 54-01-20 
54-02 STARTING CIRCUIT 
ENGINE STARTING CIRCUIT....... 54-02-2 
ENGINE STOPPING CIRCUIT ...... 54-02-4 
ENGINE PREHEATING CIRCUIT . 54-02-5 
54-03 LIGHTING CIRCUIT 
HEADLAMP CIRCUIT .. ....... .... ...... 54-03-2 
FOG LAMP CIRCUIT..................... 54-03-3 
TAIL, CLEARANCE, POSITION 
AND LICENSE PLATE LAMPS 
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 
CAB LAMP CIRCUIT..................... 54-03-8 
ILLUMINATION LAMP CIRCUIT. 54-03-10 
54-04 METER CIRCUIT 
METER CLUSTER INTERNAL 
CIRCUIT......... ................................ 54-04-2 
TACHOMETER CIRCUIT .............. 54-04-4 
SPEEDOMETER CIRCUIT ............ 54-04-5 
FUEL GAUGE CIRCUIT ................ 54-04-6 
WATER TEMPERATURE GAUGE 
CIRCUIT......... ................................ 54-04-7 
54-05 INDICATOR AND 
WARNING LAMP 
CIRCUIT 
PARKING BRAKE INDICATOR 
CIRCUIT......... ................................ 54-05-2 
BRAKE WARNING CIRCUIT ........ 54-05-4 
ENGINE OIL PRESSURE AND 
OIL FILTER WARNING CIRCUIT ....... 54-05-6 
OVERHEATING WARNING 
CIRCUIT......... ................................ 54-05-7 
BRAKE PAD WARNING 
CIRCUIT......... ................................ 54-05-8 
FUEL FILTER WARNING 
CIRCUIT......... ................................ 54-05-9 
110 
115 
125 
130 
210 
215 
220 
310 
315 
320 
325 
330 
340 
345 
348 
401 
410 
412 
420 
425 
510 
515 
536 
537 
540 
566 
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54-06 CAB SIDE ELECTRICAL 
CIRCUIT 
CIGARETTE LIGHTER CIRCUIT .. 54-06-2 
AUDIO CIRCUIT .... ....... .... ....... .... .. 54-06-3 
WIPER AND WASHER CIRCUIT .. 54-06-4 
HORN CIRCUIT ............................. 54-06-5 
AIR-CONDITIONER CIRCUIT ....... 54-06-6 
POWER WINDOW AND CENTRAL 
DOOR LOCK CIRCUIT................ 54-06-10 
SEATBELT CIRCUIT................... 54-06-11 
54-07 CHASSIS SIDE 
ELECTRICAL CIRCUIT 
EXHAUST BRAKE CIRCUIT......... 54-07-2 
54-08 ENGINE AND 
TRANSMISSION SIDE 
ELECTRICAL CIRCUIT 
FOUR-WHEEL DRIVE CIRCUIT ... 54-08-2 
TRANSMISSION POWER 
TAKE-OFF CIRCUIT...................... 54-08-4 
54-09 OTHER CIRCUIT 
JOINT CONNECTOR (J/C)...... .... .. 54-09-2 
DIAGNOSIS SWITCH AND 
MEMORY CLEAR SWITCH 
CIRCUIT..................................... .... 54-09-5 
MUTIC (MULTIPURPOSE TIMING 
CONTROL UNIT) CIRCUIT ........... 54-09-6 
EXHAUST GAS 
RECIRCULATION SYSTEM 
ELECTRIC CIRCUIT DIAGRAM ...... (See Gr17.) 
ANTI-LOCK BRAKE SYSTEM 
ELECTRIC CIRCUIT DIAGRAM .... (See Gr35E.) 
54-10 ELECTRICAL EQUIP- 
MENT INSTALLATION 
POSITIONS 
Cab side 
SWITCH AND SENSOR ... .... ....... .... .. 54-10-2 
RELAY, ELECTRONIC CONTROL 
UNIT AND FUSE ............................... 54-10-6 
METER, BUZZER AND MOTOR .... 54-10-10 
AIR-CONDITIONER ... .... .... ... .... .... .. 54-10-12 
DOOR ....... .... ....... .... ... .... .... ... .... .... .. 54-10-15 
ROOF ....... .... ....... .... ... .... .... ... .... ...... 54-10-16 
JOINTS OF MAIN HARNESS 
CONNECTORS . .... ....... .... ....... .... .... 54-10-18 
OTHER ..... .... ....... .... ... .... .... ... .... .... .. 54-10-20 
Engine and transmission 
ENGINE .. .... .... ... .... ....... .... ....... .... .... 54-10-22 
TRANSMISSION ............................. 54-10-24 
Chassis side 
SWITCH AND SENSOR................ .. 54-10-26 
RELAY AND FUSE ......................... 54-10-27 
MAGNETIC VALVE, BUZZER AND 
MOTOR .. .... .... ... .... ....... .... ....... .... .... 54-10-28 
JOINTS OF HARNESS 
CONNECTORS . .... ....... .... ....... .... .... 54-10-29 
OTHER ..... .... ....... .... ... .... .... ... .... .... .. 54-10-30 
54-11 INSPECTION OF ELEC- 
TRICAL EQUIPMENT 
#001 to #179 SWITCH ....... .... ................. 54-11-2 
#180 to #249 RELAY ......... ..................... 54-11-8 
#250 to #349 SENSOR ...... ..................... 54-11-9 
#350 to #409 CONTROL UNIT ............. 54-11-11 
#410 to #509 MOTOR........................... 54-11-12 
#510 to #559 ACTUATOR ............ ........ 54-11-15 
#560 to #609 MAGNETIC VALVE ........ 54-11-16 
#610 to #649 BUZZER, HORN ... .... ...... 54-11-18 
#650 to #699 LAMP .............................. 54-11-20 
#750 to #859 OTHER . .......................... 54-11-21 
#860 BATTERY .................................... 54-11-24 
#890 METER ......................................... 54-11-27 
610 
612 
614 
616 
620 
622 
652 
710 
810 
850 
905 
907 
910 
A 
B 
C 
D 
E 
F 
J 
P 
R 
S 
T 
U 
V 
W 
X 
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54-12 STARTER AND 
ALTERNATOR 
#930 STARTER 
<12V>...... .... ....... .... ....... .... ....... .... .. 54-12-2 
<24V>...... .... ....... .... ....... .... ....... .... 54-12-16 
#940 ALTERNATOR 
<12V>...... .... ....... .... ....... .... ....... ... 54-12-30 
<24V>...... .... ....... .... ....... .... ....... .... 54-12-40 
54-13 ON-VEHICLE 
INSPECTION 
AND ADJUSTMENT 
#950 INSPECTION OF ALTERNATOR .. 54-13-2 
#951 INSPECTION OF REGULATOR .... 54-13-3 
#955 INSPECTION OF PREHEATING 
SYSTEM.. .... ....... .... ....... .... ....... .... .. 54-13-4 
#960 HEADLAMP AIMING ..................... 54-13-6 
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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3 
1.1 Index number: 
to 
Index numbers are used as reference numbers for electrical circuits. Each electrical circuit has been assigned its 
own index number. 
1.2 Key number: A01 to Z99 
Key numbers indicate electrical equipment installation locations. The installation location of a electrical equipment 
can be easily found using its key number shown in a circuit diagram. 
All of the electrical equipment installation locations are listed in Gr54-10. 
1.3 Part name 
1.4 Connector type (type indication) 
A list of the connectors used is included in Gr54-14. 
1.5 Connector terminal number 
1.6 Major harness division 
Major harness divisions are shown. 
1.7 Wiring variations between different specifications 
Variations in wiring/circuit between different vehicle specifications are clearly indicated as shown. 
1.8 Circuit number, wire diameter, wire color 
1.9 Code number: #001 to #999 
Code numbers are reference numbers to find individual electrical equipment inspection procedures. The inspec- 
tion procedure for a electrical equipment can be found using its code number shown in a circuit diagram. 
1.10Grounding point: [1] to [99] 
Locations where wires are grounded to the vehicle. All of the grounding points are listed in 
. 
1.11 Harness connection 
The arrow in the wiring diagram indicates where harnesses are connected, and NOT the flow of electricity. 
100 999 
130 
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