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4-3
˚C1 2
Pa
12
30 86 87 85 87a
868587 30
87a
30 86 87 85 87a
868587 30
87a P
a12
30
86
87
85
87a 86
8587
30
87a
30
86
87
85
87a 86
8587
30
87a
1 2 1 2
1 2 1 2
12 12 12
30 86 87 85 87a
868587 30
87a
1 2
12
1 2
M
1 21 2
1
2
3
4
TA
TU
NC
EH
5BU
6ST
P-
SIG P+
123
M456
NC
M+
M-
2
13
56
1
2
3
4
TA
TU
NC
EH
5BU
6ST
1
2
3
C
E
T
1
2
3
C
E
T
1 21 2 1 21 21 21 2
12343 1
24
12343 1
24
1 2 3 431
2 4
12
1
2
3
Lo
Hi
E
1
2
3
Lo
Hi
E
Pa
1 2
Pa
1 2
1
2
12
1
2 M
Pa
1 2
1 2
1 2
Pa1
2
Pa
1 2
1
2
21
rpmPa
˚C12
B+I
GND
G
~3U
1
12
Pa1
2
Pa1
2
1
2
1
2
1
2
3
4 3
12
4
129
L/O
R
B
A9
8
B
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CN-147
FUEL HEATER
15
149BBG54
137LL49
126YY48
115BRBR125
104OROR26
9
8GG128
128 G
19G Y
19F Y
129 L/ORCR-46
FUEL WARMER
DIODE
DO-5
96A
11E
V
GY/W
OR
123
OR
OR25A
126
CN
-19B
CN
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CN
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G35
B
126
OR
1 2
1212
1B
R
123
OR
2 112
5B
R
26O
R
CN-47
RESISTER21E9-4018
STOP LAMP PS
CD-4
WORKING BRAKE PS
CD-38
4Y12A Y
1
2
3GY
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L/OR
BG3
107 L/OR
GY20
4
3
2
1
CN-131
118 V/W
7
8
START RY.21N6-30120
6G
5B
4V
CR-24
PRE-HEAT RY E225-0006
15R
15R4 V
Pre-heater
GY2
1 B1B
CN-28
WATER TEMP SENDOR 21EN-40100
2 V/W
FROM BATT.RY
MM
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6 G
CN-45
ALT.21E6-40030
8W
5
3 W
CN-74
STARTER
CR-23
BCD-8
AC COMP11N6-90040
2GY
3W
L/W 3
2V/W
FUEL CUT-OFF
CN-79
L/W3
1
5
4
7
6
BR
OR
L
Y
GY/W
CD-18
ENG OIL PRESS 21E3-5001
CN-75
EPPR V/V
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TACHO SENSOR 21E3-0042
1GY/W
31E5-40520
CD
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G43
B
32A
Y/O
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OO
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UT
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PS
CN
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CN
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2 1
HA
RN
ES
S B
OO
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21N
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040
HARNESS FRAME
8
7
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G74
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CN
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75
3KOR
74G
127
GW
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127
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CN
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BOOMPRIORITY
124V/W
124
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HARNESS ENG.REAR
HARNESS ENG.FRONT
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15FLASHER(B)1514NC1413FLASER(L)13
15NC1514NC1413NC13
31E
31A
G51
1HR B
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21
NUMBERPLATELAMP 21EK-10160
86
114
115
R
FUSIBLE LINK
CD
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43V
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65BR
BG81
R/W29A
R/OR30A
HEAD LAMP RH21EK-10120
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WORKLAMP RY 21E4-0011
CR
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120
V
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98G/W
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109
V
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CR
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7AW
101
L/W
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23
REV.
109
V
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22
FWD.
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108
GC
N-6
8
SAFETY PARKING
CN
-71
V R/W
6104
RAMLOCK
CN
-69
B/W
R/W
6E105
TRAVEL
CN
-70
L R/W
6A100
CL-24
FRONT COMBI LH21EK-10350
35AY/W
G2B
1R
CL-25
FRONT COMBI RH 21EK-10350
34AY/OR
G82B
2FR
REAR COMBI LH21EA-30450
CL-15
20GY
5FG
G41B
35Y/W
2ER
REAR COMBI RH 21EA-30460
CL-16
20AGY
5G
G63B
34Y/OR
1GR
114
113
CN
-95
21N
4-01
311
125W 5W
115
112
CN
-60
21N
4-01
320
123R 3R
G36
24A
B
OR/W
CN-96B
CN-96A
1
2
GOV. MOTOR21EN-32260
CN
-76
G/O
R28
W45
B27
V61
G62
51L/
OR
50V
/W
49L
48Y
45W
21W
36G
Y/W
72
B7068
G62
GG/W
66
BR
65
GY
/W64
B/O
R63
V61
BR
121
G/O
R58 10
6
107L/OR
G4B
105B/W
97V/OR
17Y
100L
MULTI SW(R)
MULTI SW(L)
GND
34Y/OR
35Y/W
WORK BRAKE LAMP
TM LOW PS LAMP
BRAKE FAIL LAMP
HAZARD SW
MULTI SW
8
7
6
5
4
3
2
1
NO. DESTINATION
8
63
64
1A
CN-99
B/OR
GY/W
R
7
6
5
4
3
2
1
D/O SW
RAMLOCK SW
LAMP 24V14GY
10NC
GND
NC
OUTTRIGER
D/O SW
PARKING SW
PARKING SW
10
9
8
7
6
5
4
3
2
1
9B G5
8
104
66CN-98
V
G/W
7
6
5
4
3
2
1
13Y12MULTI SW(H)12
87V11MULTI SW(56)11
30R/OR10MULTI SW(56b)10
29R/W9MULTI SW(56a)9
8MULTI SW(30)8
7MULTI SW(TURN COM)7
MULTI SW(NEU. SIG.)
MULTI SW(REV. SIG)
MULTI SW(SOL COM)
102V/W
101L/W
7W
MULTI SW(FWD. SIG)
MULTI SW(TR2)
MULTI SW(TR1)
6
5
4
3
2
1
103
CN-97
OR6
5
4
3
2
1
MULTI-FUNCTION SW
6
5
4
3
2
1
CN-2
B70
82 L/W
GY/W36
V117
53 G
GY81
G52 B
W21
NC
NC
NC
HEAD LAMP LH21EK-10120
60B
/W
60B
/W4
RS232CONN.
72G
71R
73C
N-1
26B
321
G64
111
GY
B
59G
Y
CN
-50
CN
-51
36P
UM
P E
PP
R(+
)
35N
C
34R
S23
2 (G
ND
)
33R
S23
2 (-
)
32R
S23
2 (+
)
31G
ND
30S
ER
IAL-
RX
29S
ER
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28G
ND
(M
AIN
)
272625
BO
OM
PR
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SO
L
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AIL
LA
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PA
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HE
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ER
NC
FU
EL
WA
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ER
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TE
R
AC
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CT
(-)
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PR
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EA
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NC
OV
ER
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IG
24
PR
OG
RA
M D
UM
P
2322212019
PO
WE
R M
AX
SO
L
18171615
PU
MP
EP
PR
(-)
14
NC
13
MA
X F
LOW
SO
L
AC
CE
L A
CT
(+)
AN
TI-
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ST
AR
T R
Y
NC
12111098765432136N
C
35N
C
34H
YD
TE
MP
SE
ND
OR
33W
AT
ER
TE
MP
SE
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OR
32N
C
31G
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(S
EN
SO
R)
30N
C
29T
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S
27B
RA
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PS
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EL
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NS
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PO
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TR
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EL
Hi/L
o S
W
O/T
DE
CE
L S
W
NC
ALT
LE
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L
NC
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G O
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S
AC
CE
L D
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SIG
5V (
PO
T&
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L)
NC
NC
GN
D (
PO
T&
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L)
24
P1
PR
ES
S S
IG.
2322212019
NC
18171615
GN
D(P
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EN
SO
R)
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AIR
CLE
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13
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WE
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ES
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121110987654321
99B
RC
LUS
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R
98G
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UR
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AM
P
8
7
6
5
4
3
2
1
CN-3B
/OR
19F
UE
L F
ILLE
R P
/P,F
UE
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AR
ME
R
2810
A
GY/W
W
W/OR
GY
595
5A
AC
BLO
WE
R
AC CONDENSOR FAN
GY
G42
B
762RW
1
2RW
76
R 11
2710
A
2630
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
110
112
113
3R
3L
5W
2 2A 1A1
2 1
96
11A
V
R
31B
B
V
R/W
B
BR
R/W
B
W
R/W
5
4
3
2E
2A
2
1E
1A
1
41 V
40 BR
5V
CD-44
PUMP1 PRESS21EG-32200
R
G
WGND
SIG
24V3
2
1
CD-43
CD-42
PUMP2 PRESS21EG-32200
PUMP3 PRESS21EG-32210
R
G
WGND
SIG
24V3
2
1
R
G
WGND
SIG
24V3
2
1
3W
4BR
2B38 B
1R/W
6
5
4
3
2
1
CN-1
39 W
37 R/W
FUSE BOX
CN
-36
C.EARTH
QUICK COUPLING 34EA-91720
CN-140
G65
94 Y
B
CN
-66
BREAKER SOL.31N6-91230
CR
-2
HORN RY(24L1-05100)
13Y
23G
10A
BR
10B
R
19E
B/O
R
DIODE21EA-50550
DO
-1
859
VG
DIODE21EA-50550
DO
-2
21A
9A
WG
DIODE21EA-50550
DO
-3
G84
9E
BG
CN-22
WASHER P/P(21EG-30630)
CL-3
MASTER SW21L7-10500
12V X 2
TO:STARTER "B" TERM.
9
G85
G73
23A
G72
23
B G
HORN
CN
-25
(21N
5-10
050)
120
G71
G83
CN
-12
B G
G
B
CL-
6
CL-
5B V B
VBB V
B
V
12
BATTERY21E6-20270
CN
-61
FUEL PUMP21N6-20300
CN
-20
(21N
5-10
060)
CR-1
BATT RY21E5-0003
60R 60B 60B
WORK LAMP21N6-20211
24 OR/W
81 B/OR
102 V/W
83 BRCR-5
ANTI-RESTART 24L1-05100
58 G/OR
117 V
19A B/OR
19 B/ORCR-36
PRE-HEAT24L1-05100
CN
-65
TRAVEL BZ21N6-20321
G53
B
5AG
77G
119
G
CN
-29
R/DRYER(11N6-90060)
CR
-7
AC COMP(24L1-05100)
119
G
118
V/W
4EL
4AL
CR
-35
POWER RY(24L1-05100)
G32
B
110
3L
84R
8AW
RIL
LUM
INA
TIO
N1
RIL
LUM
INA
TIO
N2
OR
SO
LEN
OID
23
R/W
SO
LEN
OID
16
YS
AF
ET
Y S
OL
16
WT
RA
VE
L7
GY
CIG
AR
LIG
HT
ER
14
BR
HO
RN
10
2LA
C&
HE
AT
ER
4
YB
EA
CO
N L
AM
P12
RC
AB
IN L
AM
P93
GY
WO
RK
LA
MP
18
YH
EA
D L
AM
P17
GY
/WW
IPE
R M
OT
OR
95
GY
ST
AR
T,S
TO
P82
LS
WIT
CH
PA
NE
L91
GY
CO
NV
ER
TO
R15
BR
WIP
ER
+
25
VC
AS
SE
TT
E R
AD
IO78
R
CP
U
11
CP
U B
+
2RA
C&
HE
AT
ER
75
YR
OO
M L
AM
P79
ST
AR
T K
EY
8W
96V
89BR
31ESH
12NC12
69L11CLUSTER SERIAL- (TX)11
68Y10CLUSTER SERIAL+ (RX)10
122B9CLUSTER GND9
B/W
43
B
BG
37
L44
WATER LEVEL11EN-42330
CD
-16
CD
-10
AIRCLEANER SW21L7-20100
CD
-7AUTO IDLE31E9-20080
G31
B
32Y
/OR
3O
R
55B
R/W
3FO
R
56L/
OR
CN
-137
MAXFLOW
CN
-88
POWERMAX
CD
-2
CD
-1
FUEL SENDOR 21N6-10701
HYD TEMP21EN-40100
L/W
47
B22
B22
AR
/OR
54
73BG
71R
69LY
56L/
OR
57W
/OR
55B
R/W
67B
25B
R
38B
42G
Y
53G
41V
40B
R
39W
37R
/W
24O
R/W
22B
27B
44L
43B
/W
33Y
47L/
W
28G
/OR
54R
/OR
32Y
/OR
46W
AC CONTROLLER GND
R 2A
752R
G11B
8
7
6
ILLUMINATION
AC COMP
AC CONTROLLER B+
AC CONTROLLER B+
AC 24V
BLOWER MOTOR GND
8
7
6
5
4
3
2
NO. DESTINATION
G 775
4
4
G22
CN-11
2L
2B
3
2
1
NC
GND
NC
G12B
G212B
12
11
10
NC
CABIN LIGHT
BEACON LAMP
NC
CASSETTE GND
NC
CASSETTE&ROOM LAMP B+
ILLUMINATION
CASSETTE RADIO 24V
12
11
10
9
8
7
6
5
4
3
2
1
NO. DESTINATION
OR 116
G 809
8
79
2
78CN-10
Y
R
V
7
6
5
4
3
2
1
ACCEL DIAL(-)
INT. SIG
NC
27AB
89BR
SPARE SW
ACCEL DIAL(+)
ACCEL DIAL(SIG)
HORN SW
HORN SW
8
7
6
5
4
3
2
1
NO. DESTINATION
8
28A
46
13A
G27CN-9
G/OR
W
Y
B
7
6
5
4
3
2
1
SW PANEL 24V
Pre-Heat
WIPER DRIVE SIG
R 93
17AY
91L
88W
12
11
10
CABIN LIGHT 24V
WORK LAMP SIG
GND
WASHER SIG
HEAD LIHGT 24V
ILLUMINATION
CABIN LIGHT SIG
HEAD LIHGT SIG
ILLUMINATION
12
11
10
9
8
7
6
5
4
3
2
1
OR/W 92
B G289
L 908
18A
116
87
86CN-7
GY
OR
V
R
7
6
5
4
3
2
1
WIPER MOTOR 24V
OVERLOAD SW
OVERLOAD SW
1ER
95
12
11
10
NC
WASHER PUMP
INT. SIG
WIPER DRIVE SIG
CIGARLIGHTER ILL.
CIGARLIGHTER 24V
GND
QUICK COUPLING SW SIG
QUICK COUPLING SW 24V
12
11
10
9
8
7
6
5
4
3
2
1
NO. DESTINATION
988
8
14A
G26
94
3ACN-6
GY
B
Y
OR
7
6
5
4
3
2
1
CONVERTOR 24V
WIPER MOTOR CONT.
CLUSTER 24V99BR
15GY
SHIELD
HOUR METER 24V
HOUR METER SIG
NC
WASHER SIG
8
7
6
5
4
3
2
1
8
15A
57
90CN-5
OR
L
7
6
5
4
3
2
1
NC
O/T DECEL SW
O/T DECEL SW
108G
42GY
G24B
SAFETY SW (NO)
SAFETY SW (NC)
SAFETY SW (Com)
POWER MAX SW
POWER MAX SW
8
7
6
5
4
3
2
1
NO. DESTINATION
8
G25
33
G23CN-4
B
Y
B
7
6
5
4
3
2
1
8W12START KEY (COM)12
85V11START KEY (BR)11
84R10START KEY (ACC)10
83BR9START KEY (START SIG)9
8SPARE SW8
7SPARE SW7
BRAKER SW 24V
BEACON LAMP SIG
BEACON LAMP 24V
3EOR
80G
12Y
BRAKER SIG
SPARE SW
SPARE SW
6
5
4
3
2
1
111
CN-8
GY6
5
4
3
2
1
CPU CONTROLLER
AIR-CON
CABIN HARNESS
RH CONSOL
RH SIDE
LH CONSOL
GROUP 2 ELECTRICAL CIRCUIT
14W74EL03
4-4
1
2
1
2
1
2
1
2
12
1
2
1
2
M
1 2 3 431
2 4
1 2 3 431
2 4 M1 2
1 2
1
2
1
2
15
9 10
1
2
3
4
5
6
7
8
9
10
26
8
7
15
9 10
1
2
3
4
5
6
7
8
9
10
26
8
7
15
9 10
1
2
3
4
5
6
7
8
9
10
26
8
7
6
123456
1
5 3
0I
0,I
H
42
B
HBRACCSTC
15
910
1 2 3 4 5 6 7 8 9 10
26
87
I
15
910
1 2 3 4 5 6 7 8 9 10
26
87
24V
GND
12V
A
B
C
24V
12V1
5
9 10
1
2
3
4
5
6
7
8
9
10
26
8
7
1
2
3
4
5
6
7
VCC
GND
MOTOR DRIVE+
MOTOR DRIVE-
MOTOR DRIVE SIG
FEED BACK
FEED BACK
N.C
8
WIPER CUT SW
9
INT. SIG 10
WASHER SIG.
11
WASHER P/P
12
CONTINUE 24V
13
B
L
E
2
1
3 G
h
+-
1 2 3 4 5 6 7 8 9 10 11 121 2 3 4
543
M
21 6 7543
M
21 6 7543
M
21 6 7 543
M
21 6 7
1 2 3 4 5 6 7 8 9 10 11 12
F/R SELECT(21N4-01250,OPTION)
2
15A1.25GY
18A1.25GY
BRAKER PEDAL
CS-26A
CA
BIN
LIG
HT
24V
CA
BIN
LIG
HT
24V
INT
. SIG
WO
RK
LIG
HT
OU
T
GN
D
WA
SH
ER
SIG
HE
AD
LIG
HT
24V
HE
AD
LIG
HT
24V
ILL.
LIH
GT
24V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
PO
WE
R 2
4V
PR
E-H
EA
T
WIP
ER
MO
TO
R D
RIV
E
HE
AD
LIG
HT
OU
T
HE
AD
LIG
HT
OU
T
ILL.
LIG
HT
OU
T
1716151413121110
987654321
WIPER MOTOR HARNESS
21N8-21030:LOCAL(ED04)
21N8-22030:GEN(ED01)
21N8-22020:EU(ED03)21N8-22010:USA(ED02)
CASETTE RADIO P/No.
CR-11
FLASHER UNIT
G/W23
V/OR24
24 V/OR
23 G/W
G6 B
CPU CONTROLLER1010
NC1414
NC1313
2
1
4 R
7 BR
6 L5 V
3 GY/W
2 B
1 W
8
7
6
5
4
CN-17
3
2
1
WIPER CUT(21M5-50250)
CS
-53
11O
R
5V
6L
7BR
11OR
4R
12GY
CN-141
WIPER MOTOR CONT.
CN-21
WIPER MOTOR(21N6-00240)
4AR
8G
9L
10R
12GY
4
6
5
3
2
1
2
3
4
5
6M
8G
1W
9L
10R
2B
3GY/W
14 GY
SH
13 L
16 OR
B18
20 L
1
3
5
12 L
11 V
10 BR
9 W
GY
GY/W
L/W
CPU CONTROLLER
SWITCH PANEL
FUSE
FUSE
OVERLOAD PS
FUSE
FUSE
FUSE
RH SIDE HARNESS
28G
CS-52
SPARE
12L
28G
G8B
G9B
1EGY
NC1212
CPU CONTROLLER1111
MULTIFUNCTION SW1515
GND99
10BR
13L
7O
R
G1
B
2019
18
17
L
Y
B
BR
CN-56
CLUSTER
RRPOWER IG(24V)
GND
TX
RX
4
3
2
1
CS
-67
CS
-50
QUICK COUPLING SW (21E9-20110)
OVERLOAD SW(21E6-40130)
CL-2
CIGAR LIGHTER
8R
1GY
G5B
15W/OR
16ORCN-48
HOUR METER
G7B
22OR
CN-138
DC/DC CONVERTER( 21N8-20201)
CN-139
12V SOCKET(21N8-20010)
17 BR
NC
FUSE
CPU CONTROLLER
NC
SWITCH PANEL
8
7
6
5
4
3
2
1
218
19
15
29
CN-5
Y
W/OR
R
7
6
5
4
3
2
1
G2
B
2AY
4O
R
2Y
1AG
Y
7O
R
5L/
W
6G
22OR
G10B
14GY
9W
G3B
3GY/W
29R
11V
R
6 G
12
11
10
WASHER PUMP
SWITCH PANEL
ILLUMINATION
CPU CONTROLLER
GND
QUICK COUPLING SOL
FUSE
12
11
10
9
8
7
6
5
4
3
2
1
NO. DESTINATION
9
88
G1
2
4CN-6
B
Y
OR
7
6
5
4
3
2
1
NC1515
NC1414
NC1313
ABC
- S +
W
17 OR
16 Y
13 G/OR
11 B
FUSE
WIPER CONTROLLER
FUSE
FUSE
WIPER CONTROLLER
FUSE
FUSE
CPU CONTROLLER
CPU CONTROLLER
NC
CN
-142C
S-2
CN
-116
SWITCH PANEL
RH HARNESS
10B
R
ACCEL DIAL(21N8-20901)
11B
12W
13G
/OR
START KEY SW
BR
21
R22
V23
W24
FUSE1212W24
DIODE(DO-2)1111V23
POWER RELAY1010R22
SAFETY RELAY99BR21
FUSE88OR20
NC77B19
6 GBEACON LAMP
BRAKER SOL
NC
NC
6
5
4
3
2
1
18
7
15CN-8
GY
L
G
6
5
4
3
2
1
R1
25 R
4 V
26 W
27 BR
28 L
3 OR
29 GY
2 Y
30 L
G1 B
7L
20OR
SPARE SW
CS-54
14GY
15G
19B
7AL
G2B
BRAKER SW(21E6-30540)
CS-27
5GY
17OR
5AGY
G3B
BEACON LAMP SW (21E6-30440)
CS-23
6G
16Y
6AG
G1B
R1A
R1
OR
/W31
BG
4
L30
Y2A
Y2
GY
29
OR
3A
OR
3
L28
BR
27
W26
V4A
V4
R25
GY
10 BR
NC
WIPER CONTROLLER
CPU CONTROLLER
HORN RELAY
GND
8
7
6
5
4
3
2
1
NO. DESTINATION
148
12
9
8CN-9
Y
B
7
6
5
4
3
2
1
51.25GY
181.25GY
91.25B
81.25B
BRAKER
CS-26HORN
CS-5
12
11
10
WORK LAMP RY
GND
FUSE
CPU CONTROLLER
CABIN LIGHT
MULTIFUNCTION SW
ILL. LAMP FUSE
12
11
10
9
8
7
6
5
4
3
2
1
OR/W31
9
8
CN-7
7
6
5
4
3
2
1
272829 932303126
2115152115151521
22
21
19
21
35
15
34
15
18
17
21
17
21
33
16
21
32
32
15
14
21
31
21
13
31
15
7
27
7
26
21
24
30
29
28
27
26
21
24
23
22
21
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1 4 4 5 3
12
9
10 11
B+
Gnd
Hi
27 726 8 9 10112112
7
13982456
21 6 5 4 3 2 121 23
DESTINATIONNO.
DESTINATIONNO.
DESTINATIONNO.
RH TURN LAMP
GND
WORKING BRAKE PS88
CPU77
LH TURN LAMP
CPU
ILL. SIG
NC
6
5
4
3
2
1
CN-99
6
5
4
3
2
1
D/O SOL
FUSE
NC1010
GND99
NC88
NC77
RAM LOCK SOL
FUSE
PARKING SOL
CPU
6
5
4
3
2
1
CN-98
6
5
4
3
2
1
START SAFETY RY
FUSE
HORN RY1212
LIGHT SW1111
HEAD LAMP(Lo)1010
HEAD LAMP(Hi)99
FUSE88
FLASHER UNIT77
REV SOL
FWD SOL
TRAVEL SOL
CPU
6
5
4
3
2
1
CN-97
6
5
4
3
2
1
910
6
32
1
78
54
FLASHER L
E
IG 24V
IG 24V
CPU
E
SOL
SOL
IG 24V
E
E
SOL
IG 24V
E
IG 24V
D/O SELECT(21N4-01240, OPTION)
10
9
8
7
6
5
4
3
2
1
RAMLOCK(21N4-01230)
6
32
1
10
9
8
7
6
5
4
3
2
1
78
54
PARKING(21N4-01220)
6
32
1
10
9
8
7
6
5
4
3
2
1
78
54
HARZARD(21N4-01210)
6
32
1
10
9
8
7
6
5
4
3
2
1
78
54
F RN
CO
M
LoHn
LEFT LEVER RIGHT LEVER
GN
D
TR
2
TR
1
MULTI-FUNCTION SW
RL CO
M
CO
M
910
6
32
1
10
9
8
7
6
5
4
3
2
1
78
54
SPARE
14N.C
13GND
12VOL/L IN
11VOL/R IN
10VOL/L OUT
9VOL/R OUT
8GND
7N.C
6SEEK
5SEEK
4BAND
3BAND
2RADIO ON/OFF
1N.C
14GND
13S.L+
12S.L+
11B+
10ACC
9
8
7
6
5
4
3
2
1
S.R+
S.R+
ILL+
N.C
S.L-
S.L-
S.R-
S.R-
N.C
GB
BG
7
5
241
TEMP M/ACT(11N6-90720)
17LR
20Y
18B
G
19G
L
9AG
B
73
INTAKE M/ACT(11N6-90740)
16B
W
15W
B
73
MODE(D/FOOT)(11N6-90810)
21G
W
22B
G
7
5
241
29Y
B
YB
2518B
G
CO
ND
EN
SE
R F
AN
CO
MP
RE
SS
OR
(DP
S)
BLO
WE
R R
ELA
Y(H
I)
BLO
WE
R R
ELA
Y(M
2)
BLO
WE
R R
ELA
Y(M
1)
BLO
WE
R R
ELA
Y(L
O)
MO
DE
M/A
CT
(PB
R)
MO
DE
M/A
CT
(M-)
MO
DE
M/A
CT
(M+
)
MO
DE
M/A
CT
(FO
OT
)
MO
DE
M/A
CT
(DE
F)
MO
TO
R A
CT
(RE
F)
TE
MP
M/A
CT
(PB
R)
TE
MP
MO
TO
R A
CT
(-)
TE
MP
MO
TO
R A
CT
(+)
INLE
T M
OT
OR
(FR
E)
INLE
T M
OT
OR
(RE
C)
181716151413121110987654321
AC&HEATER CONTROLLER (11N6-90030)
31LY
30LW
28B
G
27Y
Br
26LG
24LB
23W
R
22B
G
21G
W
20Y
19G
L
17LR
16B
W
15W
B
1 3 2 4
MH
ML
Hi
Lo
4321
8
1.25
LgB
9
1.25
G
MODE(VENT)(11N6-90710)
BLOWER(11N6-90700)
RESISTOR(11N6-90750)
NC
NC
NC
NC
NC
DU
CT
SE
NS
OR
(GN
D)
DU
CT
SE
NS
OR
(+)
NC
PO
WE
R IG
ILLU
MIN
AT
ION
BA
TT
ER
Y(+
)
BA
TT
ER
Y(+
)
GN
D
GN
D
1413121110987654321
33 2R
ILLUMINATION
FUSE(Battery)
FUSE(IG)
GND(CONTROLLER)
HARNESS AIR CON
5 G
31 LY
30 LW
3,4 RW
6 RY
32 2B
1,2 BR
9G
B
8B
rR
6R
Y
5G
4R
W
2B
R
1B
R
YB
29
R33
RY
6B
L36
RELAY(HI)(11N6-90820)
RW
3
BG
28
R33
A
RY
6A
YW
3526LG
35Y
W
27Y
Br
36A
L
322B
36L
23W
R
20A
Y
24LB
25Y
B
9BG
B
DUCTSENSOR
RELAY(M2)(11N6-90820)
8
7
6
CONDENSOR FAN
DPS(COMPRESSOR)
FUSE(Battery)
GND(BLOWER)
8
7
6
5
4
3
2
1
NO. DESTINATION
5
4
CN-11
3
2
1
SAFETY SW(21M5-50250)
CS-20
5 OR
A
CB
C
B
A
SEEK UP
SEEK UP
BAND
BAND
RADIO ON/OFF
N.C
EARTH(VOLUME)
VOLUME L/IN
VOLUME R/IN
VOLUME L/OUT
VOLUME R/OUT
EARTH(MAIN)
12
11
10
9
8
7
6
5
4
3
2
1
CABIN HARNESS
8 GY
B
3 2B
12
11
10
SWITCH PANNEL
BEACON SW
GND
GND
FUSE
ILLUMINATION
FUSE
12
11
10
9
8
7
6
5
4
3
2
1
NO. DESTINATION
OR7
G69
58
4
2
1CN-10
Y
R
V
7
6
5
4
3
2
1
CABIN LIGHT(21N6-20211)
CL-9
CL-8
CL-7
3b B
6 G
3a
7a OR
B
3 B
7 OR
CN-143
CN-27
CN-144
REMOCONE(21N8-21050)
CASSETTE RADIO
24OR
23BR
22L
21G
20R
19R
18B
17W
16GY
15V
14Y
13B
19R
18B
17W
16GY
15V
14Y
13B
24OR
23BR
22L
21G
20R
5B
9OR
4aY
1V
11GY
2R
10B/OR
12B/W
9OR
10B/OR
11GY
12B/W
SPEAKER LH(21N6-10400) 84
DOOR S.W(E123-3022)
CS-1
ROOM LAMP(21EH-0011)
BEACON LAMP(21EK-104200
Y
CL-1GY
CN-24
CN-23
SPEAKER RH(21N6-10400)
6
3
V
BCPU CONROLLER
NC
GND
CPU CONROLLER
LH HARNESS
G
4 GY
SAFETY SOL
NC
GND
GND
8
7
6
5
4
3
2
1
NO. DESTINATION
78
2
1CN-4
Y
B
7
6
5
4
3
2
1
4GY
3B
2Y
1B
7G
6V
5OR
POWER MAX
CS-19
ONE TOUCH DECEL
CS-29
CS-4
SAFETY SW(21N8-20300)
GY : GREY
V : VIOLET
Y : YELLOW
OR : ORANGE
BR : BROWN
L : BLUE
G : GREEN
R : RED
W : WHITE
B : BLACK
14W74EL04
4-5
1. POWER CIRCUIT The negative terminal of battery is grounded to the machine chassis through master switch.When the start switch is in the OFF position, the current flows from the positive battery terminal asshown below.
OPERATING FLOWBattery Battery relay Fusible link 〔CN-60〕
Fuse box 〔No.1〕 l/conn 〔CN-8(12)〕 Start switch 〔CS-2(1)〕Power relay 〔CR-35(30)]
Fuse box 〔No.2〕 I/conn 〔CN-10(6)〕 Room lamp 〔CL-1(2)〕 Door switch 〔CS-1〕Cassette radio 〔CN-27(11)〕
Fuse box 〔No.3〕 l/conn 〔CN-11(4)〕 AC & Heater controller (3, 4)Fuse box 〔No.4〕 I/conn 〔CN-11(5)〕 Relay(Hi, M2) Fuse box 〔No.5〕 CPU controller 〔CN-50(7)〕Fuse box 〔No.6〕 I/conn 〔CN - 5(4)〕 I/conn 〔CN -17(5)〕 Wiper motor controller
〔CN-141(7)〕Wiper motor 〔CN-21(4)〕
※ I/conn : Intermediate connector
CHECK POINT
Engine Start switch Check point Voltage
1)
2)
※ GND : Ground
OFF OFF
① - GND (Battery 1EA)
② - GND (Battery 2EA)
③ - GND (Battery 2EA)
④ - GND (Fusible link)
10~12.5V
20~25V
20~25V
20~25V
4-6
POWER CIRCUIT
CS
-2
START KEY SW
CN-8
8
7
6
5
4
3
2
1
87a
308785 86
87a
85878630
FUSE BOX
MASTER SW12V X 2BATTERY
CR-1
BATT RY
60R 60B 60B
CR
-35
POWER RY
CN-11
12
11
10
9
8
CN-10
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
CN
-50
363534151413121110987654321
12
11
10
9
8
CN-5
7
6
5
4
3
2
1
CPU CONTROLLER
S.L+
B+
ACC
S.R+
S.R+
ILL+
N.C
S.R-
S.R-
S.L-
S.L-
N.C
12
11
10
9
8
7
6
5
4
3
2
1
GND
S.L+
14
13
2
1
CN-27
DOOR SW
CS-1
ROOM LAMP
CL-1
AC & HEATER CONTROLLER
NC
NC
NC
NC
NC
DU
CT
SE
NS
OR
(GN
D)
DU
CT
SE
NS
OR
(+)
NC
PO
WE
R IG
ILLU
MIN
AT
ION
BA
TT
ER
Y(+
)
BA
TT
ER
Y(+
)
GN
D
1413121110987654321
GN
D
421 3
4321
RELAY(HI)
421 3
4321
RELAY(M2)
CN-21
13
CONTINUE 24V
12
WASHER P/P
11
WASHER SIG.
10INT. SIG
9
WIPER CUT SW
8
N.C
FEED BACK
FEED BACK
MOTOR DRIVE SIG
MOTOR DRIVE-
MOTOR DRIVE+
GND
VCC
7
6
5
4
3
2
1
8
7
6
5
4
CN-17
3
2
1
CN-141
WIPER MOTOR CONT.
WIPER MOTOR
4
6
5
3
2
1
2
3
4
5
6M
GY
2RW
2RYW
2RW
2R
R
RW/R
2R
YY
Y
GY
W
W
VRR
R
GY
3R
W
W
2
3R
3R
5W
5W
R
3
CN-60
FUSIBLE LINK
CN-9521
21
4
R
CLU
ST
ER
TU
RN
LA
MP
FU
EL
FIL
LER
P/P
2810
A
55A
AC
BLO
WE
R
2710
A
2630
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
CN
-36
ILLU
MIN
AT
ION
ILLU
MIN
AT
ION
SO
LEN
OID
2
SO
LEN
OID
1
SA
FE
TY
SO
L
TR
AV
EL
CIG
AR
LIG
HT
ER
HO
RN
AC
& H
EA
TE
R
BE
AC
ON
LA
MP
CA
BIN
LA
MP
WO
RK
LA
MP
HE
AD
LA
MP
WIP
ER
MO
TO
R
ST
AR
T,S
TO
P
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
WIP
ER
+
CA
SS
ET
TE
RA
DIO
CP
U
CP
U B
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
6
123456
1
5 3
0I
0,I
H
42
B
HBRACCSTC
BO
OM
PR
IOR
ITY
SO
L
BR
AK
E F
AIL
LA
MP
BA
TT
ER
Y 2
4V(+
)
T/M
OIL
LA
MP
EN
G P
RE
HE
AT
ER
NC
OIL
CO
OLE
R S
OL
HO
UR
-ME
TE
R
NC
TR
AV
EL
SP
EE
D S
OL
PR
OG
RA
M D
UM
P
PO
WE
R M
AX
SO
L
PU
MP
EP
PR
(-)
RS
232
(GN
D)
MA
X F
LOW
SO
L
AC
CE
L A
CT
(+)
AN
TI-
RE
ST
AR
T R
Y
PU
MP
EP
PR
(+)
1
14W74EL05
4-7
2. STARTING CIRCUIT
OPERATING FLOWBattery(+) terminal Battery relay〔CR-1〕 Fusible link 〔CN-60〕 Fuse box 〔No.1〕
I/conn 〔CN-8(12)〕 Start switch 〔CS-2(1)〕
When start key switch is in ON positionStart switch ON 〔CS-2(2)〕 I/conn 〔CN-8(11)〕 Battery relay 〔CR-1〕
Battery relay operating (All power is supplied with the electric component) Start switch ON 〔CS-2(3)〕 I/conn 〔CN-8(10)〕 Power relay 〔CR-35(86) → (87)〕
Fuse box 〔No.10〕
When start key switch is in START positionStart switch START 〔CS-2(5)〕 I/conn 〔CN-8(9)〕 Anti restart relay 〔CR-5(30) → (87)〕
l/conn 〔CN-3(2)〕 Start relay〔CN-23〕
CHECK POINT
1)
(1)
(2)
2)
Engine Start switch Check point Voltage
OPERATING START
① - GND(Battery)
② - GND(Start key)
③ - GND(Battery relay M4)
④ - GND(Starter B+)
⑤ - GND(Starter M)
⑥ - GND(Start relay)
⑦ - GND(Battery relay M8)
20~25V
※GND : Ground
4-8
2
1
87a
30
87 85
8687a
85
87
86
30
87a
308785 86
87a
85878630
FUSE BOX
DIODE
DO-2
MA
ST
ER
SW
12V
X 2
BA
TT
ER
Y
CR-1
BATT RY
CR-5
ANTI-RESTART
CR
-35
POWER RY
12
11
10
9
8
7
CN-8
6
5
4
3
2
1
U
3~G
I
B+
M M
B+
CN-45 CR-23
CN-74
STARTER
START RY
1
3
2
4
5
7
6
W
W R 3L B
WW
VV
RR
BRBR
3R
60R
60B
60B
15R
W
GV
G
B
GY
3L
3R
3R
5W
5W
CN-60
FUSIBLE LINK
CN-95
21
21
CN-3
ALTERNATOR
CN
-50
363534151413121110987654321
CPU CONTROLLER
BO
OM
PR
IOR
ITY
SO
L
BR
AK
E F
AIL
LA
MP
BA
TT
ER
Y 2
4V(+
)
T/M
OIL
LA
MP
EN
G P
RE
HE
AT
ER
NC
OIL
CO
OLE
R S
OL
HO
UR
-ME
TE
R
NC
TR
AV
EL
SP
EE
D S
OL
PR
OG
RA
M D
UM
P
PO
WE
R M
AX
SO
L
PU
MP
EP
PR
(-)
RS
232
(GN
D)
MA
X F
LOW
SO
L
AC
CE
L A
CT
(+)
AN
TI-
RE
ST
AR
T R
Y
PU
MP
EP
PR
(+)
OR/WGY
V/W
BR
OR
/W
12
CN-97
6
5
4
3
2
1
CS
-2
START KEY SW
W
6
1 2 3 4 5 6
1
53
0 I
0, I
H
4 2
B
H BR ACC ST C
1 2 3 4 5 6 7 8 9 10 11 12 7 5
3982416
F RN
RIGHT LEVER
GN
D
TR
2
TR
1
CO
M
BR
9
8
7
6
5
4
3
2
1
2
1
DIODE
DO-4
GV
R1
2
I
S
E3
2
1
FUEL CUT-OFF
CN-79
V BR
R
CLU
ST
ER
TU
RN
LA
MP
FU
EL
FIL
LER
P/P
2810
A
55A
AC
BLO
WE
R
2710
A
2630
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
CN
-36
ILLU
MIN
AT
ION
ILLU
MIN
AT
ION
SO
LEN
OID
2
SO
LEN
OID
1
SA
FE
TY
SO
L
TR
AV
EL
CIG
AR
LIG
HT
ER
HO
RN
AC
& H
EA
TE
R
BE
AC
ON
LA
MP
CA
BIN
LA
MP
WO
RK
LA
MP
HE
AD
LA
MP
WIP
ER
MO
TO
R
ST
AR
T,S
TO
P
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
WIP
ER
+
CA
SS
ET
TE
RA
DIO
CP
U
CP
U B
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
87a
30
87 85
8687a
85
87
86
30
CR-35
PRE-HEAT RY
W
R
3L
B
CR-24
PRE-HEAT RYPRE-HEATER
15R
15R
V
B/OR
STARTING CIRCUIT
14W74EL06
CHECK POINT
4-9
3. CHARGING CIRCUITWhen the starter is activated and the engine is started, the operator releases the key switch to the ONposition.Charging current generated by operating alternator flows into the battery through the battery relay(CR-1).The current also flows from alternator to each electrical component and controller through the fuse box.
OPERATING FLOW
Warning flowAlternator "I" terminal I/conn 〔CN-2(13)〕 CPU alternator level 〔CN-51(9)〕Cluster charging warning lamp(Via serial interface)
Charging flowAlternator "B+" terminal Battery relay(M8) Battery(+) terminal
Fusible link 〔CN-60〕 Fuse box
1)
2)
(1)
(2)
※ GND : Ground
Engine Start switch Check point Voltage
Run ON
① - GND(Battery voltage)
② - GND(Battery relay)
③ - GND(Alternator B+ terminal)
④ - GND(Alternator I terminal)
⑤ - GND(CPU)
20~30V
4-10
2
1
FUSE BOX
DIODE
DO-2
MA
ST
ER
SW
12V
X 2
BA
TT
ER
Y
CR-1
BATT RY
12
11
10
9
CN-5
U
3~G
GND
I
B+
M M
B+
CN-45 CR-23
CN-74
STARTER
START RY.
CN
-51
36N
C
WO
RK
ING
PS
ALT
LE
VE
L
P1
PR
ES
S S
IG.
1091
CPU CONTROLLER
1
2
5
3
4
L
YG
V
W/O
R
W
W
W
5.0W
5.0R
B
GR
15R
B
GR
G
60R
60B
60B
5W
3R
ALTERNATOR
3R
3R
5W
5W
CN-60
FUSIBLE LINK
CN-95
21
21
CN-3
CLU
ST
ER
TU
RN
LA
MP
FU
EL
FIL
LER
P/P
2810
A
55A
AC
BLO
WE
R
2730
A
2610
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
CN
-36
ILLU
MIN
AT
ION
ILLU
MIN
AT
ION
SO
LEN
OID
2
SO
LEN
OID
1
SA
FE
TY
SO
L
TR
AV
EL
CIG
AR
LIG
HT
ER
HO
RN
AC
& H
EA
TE
R
BE
AC
ON
LA
MP
CA
BIN
LA
MP
WO
RK
LA
MP
HE
AD
LA
MP
WIP
ER
MO
TO
R
ST
AR
T,S
TO
P
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
WIP
ER
+
CA
SS
ET
TE
RA
DIO
CP
U
CP
U B
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
36P
UM
P E
PP
R(+
)
35N
C
34R
S23
2 (G
ND
)
33R
S23
2 (-
)
32R
S23
2 (+
)
31G
ND
30S
ER
IAL-
RX
29S
ER
IAL-
TX
28G
ND
(M
AIN
)
BO
OM
PR
IOR
ITY
SO
L
EN
G P
RE
HE
AT
ER
FU
EL
WA
RM
ER
HO
UR
-ME
TE
R
PO
WE
R M
AX
SO
L
MA
X F
LOW
SO
L
654321
15
14
13
6
5
4
3
2
1
POWER IG(24V)
GND
TX
RX
4
3
2
1
CN
-50
CPU CONTROLLER
CLUSTER
L
Y
CN-56
8
CHARGING CIRCUIT
14W74EL07
4-11
4. HEAD AND WORK LIGHT CIRCUIT
OPERATING FLOWFuse box (No.15) I/conn 〔CN-7(8)〕 Switch panel 〔CN-116(10,11)〕Fuse box (No.16) I/conn 〔CN-7(7)〕 Switch panel 〔CN-116(9)〕
Main light switch ON : 1st step Head light switch ON 〔CN-116(2,3)〕 l/conn 〔CN-7(2)〕 l/conn〔CN-97(11)〕Mutifunction sw left lever(3) (5) 〔CN-97(10)〕 Head light ON〔CL-3(1), CL-4(1)〕: Head lamp ON
Main light switch ON : 2nd stepWork light switch ON 〔CN-116(14)〕 l/conn 〔CN-7(11)〕 l/conn 〔CN-3(1), (4)〕I/conn〔CN-12(1)〕 Work light ON 〔CL-5(2), CL-6(2)〕
CHECK POINT
1)
※ GND : Ground
(1)
(2)
2)
Engine Start switch Check point Voltage
STOP ON
ONSTOP
① - GND(Fuse box)
② - GND(Switch power input)
③ - GND(Switch power output)
④ - GND(Head light)
⑤ - GND(Fuse box)
⑥ - GND(Switch power input)
⑦- GND(Switch power output)
⑧ - GND(Work light)
20~25V
20~25V
4-12
CN-7
1716151413121110987654321
CN
-116
SWITCH PANEL
HEAD LAMP-LH
1
3
Y
FUSE BOX
CN-97
12
11
10
9
8
7
6
5
4
3
2
1
CA
BIN
LIG
HT
24V
CA
BIN
LIG
HT
24V
INT
. SIG
WO
RK
LIG
HT
OU
T
GN
D
WA
SH
ER
SIG
HE
AD
LIG
HT
24V
HE
AD
LIG
HT
24V
ILL.
LIH
GT
24V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
PO
WE
R 2
4V
PR
E-H
EA
T
WIP
ER
MO
TO
R D
RIV
E
HE
AD
LIG
HT
OU
T
HE
AD
LIG
HT
OU
T
ILL.
LIG
HT
OU
T
614453
129
1011
B+
Gnd
Hi
CO
M
Lo Hn
R LCO
M
123456789101112 1234
MULTI-FUNCTION SW
LEF
T L
EV
ER
WARNING LAMP
1
2
3
Lo
Hi
E
1
2
3
Lo
Hi
EB
R/W
R/ORCL-4
B
R/W
R/ORCL-3
HEAD LAMP-RHR/OR
R/W
2 12
11
10
9
8
7
6
5
4
3
2
1
GY
Y
V
CLU
ST
ER
TU
RN
LA
MP
FU
EL
FIL
LER
P/P
2810
A
55A
AC
BLO
WE
R
2710
A
2610
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
CN
-36
ILLU
MIN
AT
ION
ILLU
MIN
AT
ION
SO
LEN
OID
2
SO
LEN
OID
1
SA
FE
TY
SO
L
TR
AV
EL
CIG
AR
LIG
HT
ER
HO
RN
AC
& H
EA
TE
R
BE
AC
ON
LA
MP
CA
BIN
LA
MP
WO
RK
LA
MP
HE
AD
LA
MP
WIP
ER
MO
TO
R
ST
AR
T,S
TO
P
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
WIP
ER
+
CA
SS
ET
TE
RA
DIO
CP
U
CP
U B
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
5
GY
CR
-3
VRGY
OR
/W
BVBV
1 2
WORK LAMP
CL-51212
CN
-12
1 2 3 431
2 4
WORK LAMP RY
CL-6
7
8
4
V
Y
Y
GY
V
OR/W OR/W
HEAD AND WORK LIGHT CIRCUIT
14W74EL08
4-13
5. BEACON LAMP AND CAB LIGHT CIRCUIT
OPERATING FLOWFuse box (No.18) I/conn 〔CN-8(3)〕 Beacon lamp switch 〔CN-23(6)〕Fuse box (No.17) I/conn 〔CN-7(12)〕 Switch panel 〔CN-116(16, 17)〕
Beacon lamp switch ONBeacon lamp switch ON 〔CS-23(2)〕 Switch lndicator lamp ON 〔CS-23(9)〕
l/conn 〔CN-8(4)〕 l/conn 〔CN-10(10)〕Beacon lamp ON 〔CL-7〕
Cab light switch ONCab light switch ON 〔CN-116(7, 8)〕 I/conn 〔CN-7(6)〕 I/conn 〔CN-10(11)〕
Cab light ON 〔CL-8(2), CL-9(2)〕
CHECK POINT
1)
2)
(1)
(2)
※ GND : Ground
Engine Start switch Check point Voltage
STOP
STOP
ON
ON
① - GND(Fuse box)
② - GND(Switch power input)
③ - GND(Switch power output)
④ - GND(Beacon lamp)
⑤ - GND(Fuse box)
⑥ - GND(Switch power input)
⑦ - GND(Switch power output)
⑧ - GND(Cab light)
20~25V
20~25V
4-14
FUSE BOX
CLU
ST
ER
TU
RN
LA
MP
FU
EL
FIL
LER
P/P
2810
A
55A
AC
BLO
WE
R
2710
A
2630
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
CN
-36
ILLU
MIN
AT
ION
ILLU
MIN
AT
ION
SO
LEN
OID
2
SO
LEN
OID
1
SA
FE
TY
SO
L
TR
AV
EL
CIG
AR
LIG
HT
ER
HO
RN
AC
& H
EA
TE
R
BE
AC
ON
LA
MP
CA
BIN
LA
MP
WO
RK
LA
MP
HE
AD
LA
MP
WIP
ER
MO
TO
R
ST
AR
T,S
TO
P
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
WIP
ER
+
CA
SS
ET
TE
RA
DIO
CP
U
CP
U B
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
CA
BIN
LIG
HT
24V
CA
BIN
LIG
HT
24V
INT
. SIG
WO
RK
LIG
HT
OU
T
GN
D
WA
SH
ER
SIG
HE
AD
LIG
HT
24V
HE
AD
LIG
HT
24V
ILL.
LIH
GT
24V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
PO
WE
R 2
4V
PR
E-H
EA
T
WIP
ER
MO
TO
R D
RIV
E
HE
AD
LIG
HT
OU
T
HE
AD
LIG
HT
OU
T
ILL.
LIG
HT
OU
T
BEACON LAMP AND CAB LIGHT CIRCUIT
14W74EL09
4-15
6. WIPER AND WASHER CIRCUIT
OPERATING FLOW
Key switch ONFuse box (No.12) I/conn 〔CN-7(5)〕 Switch panel 〔CN-116(6)〕Fuse box (No.6) I/conn 〔CN-5(4)〕 I/conn 〔CN-17(5)〕 Wiper motor controller 〔CN-141(7)〕
Wiper motor 〔CN-21(4)〕Washer pump 〔CN-22(2)〕
Fuse box (No.14) I/conn 〔CN-6(5)〕 l/conn 〔CN-17(4)〕 Wiper motor controller 〔CN-141(6)〕
Wiper switch ON : 1st step(Intermittent)Wiper switch ON 〔CN-116(15)〕 I/conn〔CN-9(4)〕 I/conn〔CN-6(10)〕 I/conn〔CN-17(8)〕Wiper motor controller 〔CN-141(10) → (3)〕 Wiper motor intermittently operating 〔CN-21(6)〕
Wiper switch ON : 2nd step(Low speed)Wiper switch ON 〔CN-116(4)〕 I/conn 〔CN-7(3)〕 I/conn 〔CN-6(9)〕 I/conn〔CN-17(2)〕Wiper motor controller 〔CN-141(2) → (4)〕 Wiper motor operating 〔CN-21(2)〕
Washer switch ON Washer switch ON 〔CN-116(12)〕 I/conn 〔CN-7(9)〕 I/conn 〔CN-5(1)〕 I/conn 〔CN-17(7)〕
Wiper motor controller 〔CN-141(9) → (8)〕 I/conn 〔CN-17(6)〕 I/conn 〔CN-6(11)〕Washer pump 〔CN-22(1)〕 Washer operating
Fuse box(No.14) I/conn 〔CN-6(5)〕 I/conn 〔CN-17(4)〕Wiper motor controller 〔CN-141(6) → (4)〕 Wiper motor operating 〔CN-21(2), Low speed〕
Auto parking(When switch OFF)Switch OFF 〔CN-116(15)〕 Wiper motor parking position by wiper motor controller
CHECK POINT
1)
(1)
(2)
(3)
(4)
(5)
※ GND : Ground
2)
Engine Start switch Check point Voltage
STOP ON
① - GND(Fuse box)
② - GND(Switch power input)
③ - GND(Switch power output)
④ - GND(Wiper Power input)
⑤ - GND(Wiper power output)
⑥ - GND(Wiper motor)
0 ~ 5V
24V
0 or 24V
4-16
1
1 2 3 4 5 6 7
GY
/W
CN
-6
8 9 10 11 121 2 3 4 5 6 7
W
CN
-7
8 9 10 11 121 2 3CN
-9
4 5 6 7 8
BR
GY
/W
V
1
VRGY
/W
BW L BR
GY
/W
BRLWG
M654321
23 5
6
4
GY
R LGR
WIPER MOTOR
CN
-21
CN
-141
GY
R OR
BR
LV
OR
CS
-53
WIPER CUT SW
1 2 3
CN
-17
4 5 6 7 8
W B GY
/W
V L BR
R
1 2 3 4 5 6 7
VC
C
GN
D
MO
TO
R D
RIV
E+
MO
TO
R D
RIV
E-
MO
TO
R D
RIV
E S
IG
FE
ED
BA
CK
FE
ED
BA
CK
N.C
8
WIP
ER
CU
T S
W
9
INT
. SIG
10
WA
SH
ER
SIG
.
11
WA
SH
ER
P/P
12
CO
NT
INU
E 2
4V
13
WASHER PUMP
CN-22R
V1
2 M
1 2 3 4 5 6 7
LC
N-5
8 9 10 11 12
BR
BR
L R
R
2
SWITCH PANEL
CN
-116 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
BR
5
LW
WIPER MOTOR CONTROLLER
L
LL
1
33 3
46
CN
-36
FUSE BOX
CLU
ST
ER
TU
RN
LA
MP
FU
EL
FIL
LER
P/P
2810
A
55A
AC
BLO
WE
R
2710
A
2610
A
2510
A
2410
A
235A
2210
A
2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
ILLU
MIN
AT
ION
ILLU
MIN
AT
ION
SO
LEN
OID
2
SO
LEN
OID
1
SA
FE
TY
SO
L
TR
AV
EL
CIG
AR
LIG
HT
ER
HO
RN
AC
& H
EA
TE
R
BE
AC
ON
LA
MP
CA
BIN
LA
MP
WO
RK
LA
MP
HE
AD
LA
MP
WIP
ER
MO
TO
R
ST
AR
T,S
TO
P
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
WIP
ER
+
CA
SS
ET
TE
RA
DIO
CP
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ILLU
MIN
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1920
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1810
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1610
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1510
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1410
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1320
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125A
115A
1010
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910
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810
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BLO
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2710
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2610
A
2510
A
2410
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235A
2210
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2110
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2010
A
1920
A
1810
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1710
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1610
A
1510
A
1410
A
1320
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125A
115A
1010
A
910
A
810
A
710
A
610
A
420
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35A
25A
120
A
CN
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ILLU
MIN
AT
ION
ILLU
MIN
AT
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SO
LEN
OID
2
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LEN
OID
1
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FE
TY
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L
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2710
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2510
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2410
A
235A
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2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
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35A
25A
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CN
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ILLU
MIN
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MIN
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LEN
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2710
A
2630
A
2510
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2410
A
235A
2210
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2110
A
2010
A
1920
A
1810
A
1710
A
1610
A
1510
A
1410
A
1320
A
125A
115A
1010
A
910
A
810
A
710
A
610
A
420
A
35A
25A
120
A
CN
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ILLU
MIN
AT
ION
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LEN
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LEN
OID
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FE
TY
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2
1
BREAKER PEDAL
CS-26AGY
GY
7
86
2
10
9
8
7
6
5
4
3
2
1
109
51
CS-27
OR
GY
OV
ER
LOA
D S
W
OR
GY
L/W
B
L/W
G
G
G74
52 L/W
B
OVERLOAD PS
CD-31
Pa1
2
21
CN
-88
BOOMPRIORITY
OR
G/W
GW
ELECTRIC CIRCUIT FOR HYDRAULIC
14W74EL15
