4-3
2
˚C1
2
Pa
1
2
Pa 1
Pa
2
Pa
1
30 86 87 85 87a
868587 30
87a
30 86 87 85 87a
868587 30
87a
2P
a1
2
1
1
2
1
2
1
2
2
1
2
1
1
2 M
1
2
1
2
1
2
30 86 87 85 87a
868587 30
87a
1
2
715
910
1 2 3 4 5 6 7 8 9 10
26
8
12V
24V
GND
12V
A
B
C
24V
2
1
2
1
CA
BIN
LIG
HT
24V
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
HE
AD
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WIP
ER
MO
TO
R D
RIV
E
PR
E-H
EA
T
PO
WE
R 2
4V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
HE
AD
LIH
GT
24V
WO
RK
LIG
HT
24V
WO
RK
LIG
HT
24V
WA
SH
ER
SIG
GN
D
TR
AV
EL
ALA
RM
INT
. SIG
CA
BIN
LIG
HT
24V
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
15
9 10
1
2
3
4
5
6
7
8
9
10
26
8
2
1
2
1
M
21
13
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
2 Pa1
1 21 21 21 2
1
2
1
2
1
2
1
2
U
B+
IGND
G
~ 3
2
1
2
1
1 2 3 431
2 4
1 2 3 431
2 4
2
M1
1 2
1
2
Pa
HARNESS PUMP PS
RH SIDE
ENG HARNESS FRONT
LH CONSOL
CABIN HARNESS
AIR-CON
CPU CONTROLLER(21N6-32300)
1
2
3
4
5
6GY
CN-8
95
1
2
3
4
5
6
SPARE SW
SPARE SW
BRAKER SIG
Y 97G 96OR 1A
BEACON LAMP 24V
BEACON LAMP SIG
BRAKER SW 24V
7 SPARE SW 7
8 SPARE SW 8OR 1E
9 START KEY (START SIG) 9BR 94
10 START KEY (ACC) 10R 93
11 START KEY (BR) 11V 92
12 START KEY (COM) 12W 18
1
2
3
4
5
6
R/W
V
CN-114
40
1
2
3
4
5
6
P1,P2,P3 B+
NC
PUMP3 PRESS SIG
B 47W 38BR 39
P1,P2,P3 GND
PUMP1 PRESS SIG
PUMP2 PRESS SIG
1
2
3
4
5
6
7
GY/WCN-2
30
849OR
75BR
67Y
DESTINATIONNO.
1
2
3
4
5
6
7
8
ENG OIL PS
AC COMP
NC
NC
NC
65L
FUEL CUT-OFF(E)
FUEL CUT-OFF(F)
FUEL CUT-OFF(H)
1
2
3
4
5
6
7
B
Y
B
CN-4G6
34
G8
8
DESTINATIONNO.
1
2
3
4
5
6
7
8
POWER MAX SW
POWER MAX SW
SAFETY SW (Com)
SAFETY SW (NC)
SAFETY SW (NO)
B G7GY 45
G 76
O/T DECEL SW
O/T DECEL SW
NC
1
2
3
4
5
6
7
L
OR
CN-579
61
8
8
1
2
3
4
5
6
7
8
WASHER SIG
NC
HOUR METER SIG
HOUR METER 24V
SHIELD
GY 78
BR 77CLUSTER 24V
WIPER MOTOR CONT.
CONVERTOR 24V
1
2
3
4
5
6
7
OR
Y
B
GY
CN-61
21
G2
83
882
9
DESTINATIONNO.
1
2
3
4
5
6
7
8
9
10
11
12
QUICK COUPLING SW 24V
QUICK COUPLING SW SIG
GND
CIGARLIGHTER 24V
CIGARLIGHTER ILL.
WIPER DRIVE SIG
INT. SIG
WASHER PUMP
NC
10
11
12
L/W 84G 46
10
R 6F
OVERLOAD SW
OVERLOAD SW
WIPER MOTOR 24V
1
2
3
4B
G
W
CN-3
12E
32
16
1
2
3
4
GND
ENG START SIG
B G44GY 17
V/W 85
ALT LEVEL
PRE-HEAT
1
2
3
4
5
6
7
R
V
OR
GY
CN-76
91
89
88
879L
9G4B
28OR/W
1
2
3
4
5
6
7
8
9
10
11
12
HEAD LIHGT SIG
WORK LIHGT SIG
CABIN LIGHT SIG
HEAD LIHGT 24V
WORK LIHGT 24V
WASHER SIG
GND
TRAVEL ALARM SIG
CABIN LIGHT 24V
10
11
12
W 82BR 44L 90
Y 87
86R
WIPER DRIVE SIG
PRE HEAT SIG
SW PANEL 24V
1
2
3
4
5
6
7
B
Y
W
G/OR
CN-9G3
98
25
11
8
DESTINATIONNO.
1
2
3
4
5
6
7
8
HORN SW
HORN SW
ACCEL DIAL(SIG)
ACCEL DIAL(+)
SPARE SW
BR 81B 13
NC
INT. SIG
ACCEL DIAL(-)
1
2
3
4
5
6
7
V
R
Y
CN-10100
6E
99
8
996G
89OR
DESTINATIONNO.
1
2
3
4
5
6
7
8
9
10
CASSETTE RADIO 24V
ILLUMINATION
CASSETTE&ROOM LAMP B+
NC
CASSETTE GND
NC
BEACON LAMP 10
B G1
B 112
NC
GND
NC
1
2
3
2B
2L
CN-11
G5
4
4
5101G
DESTINATIONNO.
2
3
4
5
6
7
8
BLOWER MOTOR GND
AC 24V
AC CONTROLLER B+
AC CONTROLLER B+
AC COMP
ILLUMINATION
6
7
8
2B 111
2R 102
6AR
AC CONTROLLER GND
W25
Y/W
26
GR
/OR
27
W16
G/O
R11
OR
/W28
W29
GY
/W30
R31
G32
B/O
R33
Y34
L36
B13
B12
V/W
37
R/W
14
W38
BR
39V
40
BR
44
GY
45
G46
B47
BR
48
OR
8A
V51
B23
V54
G/W
55B
R/W
60
W/O
R61
Y/W
62
L/W
63
W64
L65
G66
Y67
Y68
L69
R71
G72
B73
1 2 3
BC
N-1
2673
R71
G72
RS232CONNECTOR
27G
R/O
R
12A
B
12B
33B
/OR
HYD TEMP(21EN-40100)FUEL LEVEL
(21N6-10701)
CD
-1
CD
-2
CN
-76
ACC ACTULATOR(21EN-32220)
G/O
R11
A
W29
B13
A
V54
G66
TRAVEL
CN
-70
POWERMAX
CN
-88
MAXFLOW
CN
-137
BOOMPRIORITY
CN
-133
W64
Y19
G/W
55R
3
L/W
63R
3E
BR
/W60
R3A
Y10
8
BG
41
B G42
R 31
WORK PS(31E5-40500)
CD
-7
CD-6
TRAVEL PS(31E5-40500)
AIR CLEANER SW(21L7-20100)
CD-1036L
G31B
9 CLUSTER GND 9B 113
10 CLUSTER SERIAL+ (RX) 10Y 68
11 CLUSTER SERIAL- (TX) 11L 69
12 NC 12
SH 70
BR 81V 80
W18
ST
AR
T K
EY
99R
OO
M L
AM
PY
102
AC
& H
EA
TE
R2R
WIP
ER
+
56
CA
SS
ET
TE
RA
DIO
RW
77C
LUS
TE
RB
R
100
AC
BLO
WE
R
V
8C
PU
OR
78C
ON
VE
RT
OR
GY
90S
WIT
CH
PA
NE
LL
15F
UE
L C
UT
-OF
FL/
W
10W
IPE
R M
OT
OR
GY
/W
88H
EA
D L
AM
PG
Y
87W
OR
K L
AM
PY
86C
AB
IN L
AM
PR
97B
EA
CO
N L
AM
PY
4A
C&
HE
AT
ER
2L
5H
OR
NB
R
83C
IGA
R L
IGH
TE
RG
Y
20E
TH
ER
(PR
E-H
EA
T)
L
19T
RA
VE
LY
3S
OLE
NO
ID 1
R
1S
OLE
NO
ID 3
OR
110
FU
EL
FIL
LER
P/P
G
SP
AR
E
12
CN
-15
CN
-15
2PC
S B
OO
M A
UT
O-I
DLE
PS
Y/W
26
Y10
8
W18
A
R93
3L10
3
BG
11
POWER RY(24L1-05100)
CR
-35
L4A
L4E
V/W
85
G10
6
AC COMP RY(24L1-05100)
CR
-7
R/DRYER(11N6-90060)
CN
-29
G10
6
G10
1
Y19AV51
TRAVEL BZ(21N6-20321)
CN-81
G76
CN-68
SAFETY SOL
R109
PRE HEAT RY(24L1-05100)
CR-36L20L20AV107Y/W62
SAFETY RY(24L1-05100)
CR-5GY17BR94L/W15V/W37
WORK LAMP(21N6-20211)
60B60B60R
BATT RY(21E5-0003)
CR-1
CN-20(21N5-10060)
FUEL FILLER PUMP(21N6-20300)
CN-61
BATTERY(21E6-20270)
1
2
V
B
V
B B
V
B
V
BCL-5
CL-6
B
G
R
B
CN-12
G62
G5191
CN-25(21N5-10050)
HORN
R
B
22G52
22A
G53
G21
9 TO:STARTER "B" TERM.
12V X 2 MASTER SW(21L7-10500)
HEAD LAMP(21N6-20211)
CL-4
R
B
6
G61
WASHER TANK(21EG-30630)
CN-22
G
B
9E
G22
DO-3
G
V
9A
92
DO-2
DIODE(21EA-50550)
G
W
9
16A
DO-1
G110
BR
5
BR
5A
R22
Y98
HORN RY(24L1-05100)
CR
-2
BREAKER SOL.(31N6-91230)
CN-66
B
Y21
G72
CN-140
QUICK CLAMP (34EA-91720)
B
L/W84
G54
OVERLOAD PS(31E5-50320)
CD-31
EARTHCABLE
CD
-37
CN
-36
FUSE BOX
1
2
3
4
5
6
7
OR
Y
B
CN-64
2
G1
88
9
DESTINATIONNO.
1
2
3
4
5
6
7
8
9
10
11
12
FUSE
QUICK COUPLING SOL
GND
CPU CONTROLLER
ILLUMINATION
SWITCH PANEL
WASHER PUMP10
11
12
G6
R
V 11R 29GY/W 3B G3W 9
GY 14
B G6
OR 22
G6
L/W
5
OR
7G
Y1A
Y2
OR
4
Y2A
BG
2
1
2
3
4
5
6
7
R
W/OR
Y
CN-5
29
15
19
821
1
2
3
4
5
6
7
8
SWITCH PANEL
NC
CPU CONTROLLER
FUSE
CPU CASE EARTH
BR17
12V SOCKET(21N8-20010)
CN-139
DC/DC CONVERTER(21N8-20201)
CN-138
OR 22
B G7
HOUR METER(21L1-0010)
CN-48OR 16
W/OR 15
B G5
GY 1
R 8 CIGARLIGHT(21E4-008)
CL-2
OVERLOAD SW(21E6-40130)
QUICK CLAMP SW (21E9-20110)
CS
-50
CS
-67
1
2
3
4
RX
TX
GND
POWER IG(24V) RR
CLUSTER(21N8-30011)
CN-56BR
B
Y
L
17
18
1920
BG
1
OR
7
L 13
BR 10
9 9 GND
10 10 CPU CONTROLLER
11 11 CPU CONTROLLER
12 12 NC
GY 1E
B G9B G8
G 28L 12
SPARE SW
CS-52
G 28
1
2
3
4
5
6
7
CN-7
8
9
31 OR/W
1
2
3
4
5
6
7
8
9
10
11
12
HEAD LAMP
WORK LAMP
CABIN LIGHT
CPU CONTROLLER
FUSE
GND
CPU CONTROLLER10
11
12
CS-5
HORN SW
CS-26
BREAKER SW
1.25B 81.25B 9
1.25B 181.25B 5
1
2
3
4
5
6
7
B
Y
CN-98
9
12
814
DESTINATIONNO.
1
2
3
4
5
6
7
8
GND
HORN RELAY
CPU CONTROLLER
WIPER CONTROLLER
NC
BR10
GY
25R
4V
4AV
26W
27B
R
28L
3O
R
3AO
R
29G
Y
2Y
2AY
30L
G4
B
31O
R/W
1R
1AR
B G1G 6A
Y 16
G 6
CS-23
BEACON LAMP SW (21E6-30440)
B G3GY 5A
OR 17
GY 5
CS-27
BREAKER SW(21E6-30540)
B G2L 7A
B 19
G 15
GY 14
CS-54
SPARE SW
OR 20
L 7
BG1
L30
Y2
GY29
OR3
L28
BR27
W26
V4
R25
1 R
1
2
3
4
5
6
G
L
GY
CN-815
7
18
1
2
3
4
5
6
NC
NC
BRAKER SOL
BEACON LAMPG6
19 B7 7 NC
20 OR8 8 FUSE
21 BR9 9 SAFETY RELAY
22 R10 10 POWER RELAY
23 V11 11 DIODE(DO-2)
24 W12 12 FUSE
24W
23V
22R
21B
R
START KEY SW(21E6-10430)
G/O
R13
W12
B11
ACCEL DIAL(21N8-20901)
BR
10
RH SIDE HARNESS(21N8-11180)
FUSE
FUSE
FUSE
OVERLOAD PS
FUSE
FUSE
SWITCH PANEL
CPU CONTROLLER
RH HARNESS(21N8-11151)
SWITCH PANEL(21N8-20502)
CN
-116
CS
-2
CN
-142
NC
CPU CONTROLLER
CPU CONTROLLER
FUSE
FUSE
WIPER CONTROLLER
FUSE
FUSE
WIPER CONTROLLER
FUSE
L/W
GY/W
GY
W9BR10V11L12
5
3
1
L20
18 B
OR16
L13
SH
B11
G/OR13
Y16
OR17
B7
GY/W
V
10A80
SH 70
CN-92
37A G12V/W B
B23
1
2
1
1A
2A
2
5W3L
3R
104
105
103
7 B
SPEAKER RH(21N6-10400)
CN-23
CN-24
GYCL-1
Y
BEACON LAMP(21EK-10420)
ROOM LAMP(21EH-0011)
CS-1
DOOR SW(E123-3022)
48SPEAKER RH(21N6-10400)
L 12Y 11
B 10
W 9
L 12
B 10
R 2
Y 11
V 1
Y 4a
W 9
B 5
R 20
G 21
L 22
BR 23
OR 24
B 13
Y 14
V 15
GY 16
W 17
B 18
R 19
B 13Y 14V 15GY 16W 17B 18
R 19
R 20
G 21
L 22
BR 23
OR 24
CASSETTE RADIO
REMOTE CONTROLLER(21N8-21050)
CN-144
CN-27
CN-143
OR7B3
B
OR7a3a
G6B3b
CL-7
CL-8
CL-9
CABIN LIGHT(21N6-20211)
1
2
3
4
5
6
7
V
R
Y
CN-101
2
4
85
96 G
7 OR
DESTINATIONNO.
1
2
3
4
5
6
7
8
9
10
FUSE
ILLUMINATION
FUSE
GND
GND
BEACON SW
SWITCH PANNEL
10
2B3
B
GY8
CABIN HARNESS(21N6-00012)
20A
1
5A2
5A3
10A
4
20A
6
10A
7
5A8
10A
9
5A10
5A11
20A
12
20A
13
5A14
10A
15
10A
16
5A17
20A
18
10A
19
10A
20
10A
21
5A22
10A
23
5A24
10A
25
10A
26
10A
27
1
2
3
4
5
6
7
8
9
10
11
12
EARTH(MAIN)
VOLUME R/OUT
VOLUME L/OUT
VOLUME R/IN
VOLUME L/IN
EARTH(VOLUME)
N.C
RADIO ON/OFF
BAND
BAND
SEEK UP
SEEK UP
GY14
58R
58R
1
2RW 56
GY
117
AC CONDENSOR FAN
CP
U B
+5A
511
7G
Y
W/OR
W
GY/W
20A
28S
PA
RE
SA
FE
TY
SO
L10
9R
GY/W 3B 2R 10L 9W 1G 8
M 6
5
4
3
2
1
2
3
5
6
4
GY 12R 10
L 9G 8R 4A
WIPER MOTOR(21N6-00240)
CN-21
WIPER MOTOR CONT.(21N8-21060)
CN-141
GY 12
R 4
OR 11BR 7L 6V 5
OR
11C
S-5
3
WIPER CUT SW(21M5-50250)
1
2
3
CN-17
4
5
6
7
8
W1B2GY/W3
V5L6BR7
R4
B
GY95G71
1
2
W
+S-
C B A
1 2 3 4 5 6 7 8 9 10 11 12
NC
P2
PR
ES
S S
IG.
P3
PR
ES
S S
IG.
PO
WE
R M
AX
SW
13
AIR
CLE
AN
ER
SW
14
GN
D(P
RE
S.S
EN
SO
R)
15 16 17 18
TR
AV
EL
ALA
RM
SW
19 20 21 22 23
P1
PR
ES
S S
IG.
24
GN
D (
PO
T&
DIA
L)
TR
AV
EL
OIL
PS
NC
5V (
PO
T&
DIA
L)
AC
CE
L D
IAL
SIG
EN
G O
IL P
S
NC
ALT
LE
VE
L
NC
O/T
DE
CE
L S
W
NC
PO
T-S
IG
24V
(PR
ES
.SE
NS
OR
)
FU
EL
LEV
EL
SE
NS
OR
WA
TE
R L
EV
EL
SW
WO
RK
ING
PS
TA
CH
O S
EN
SO
R(-
)25
TA
CH
O S
EN
SO
R(+
)26
NC
27
NC
28
NC
29
NC
30
GN
D (
SE
NS
OR
)31
PU
MP
PR
OLI
X S
W32
WA
TE
R T
EM
P S
EN
DO
R33
HY
D T
EM
P S
EN
DO
R34
NC
35
NC
36 1 2 3 4 5 6 7 8 9 10 11 12
NC
AN
TI-
RE
ST
AR
T R
Y
AC
CE
L A
CT
(+)
MA
X F
LOW
SO
L.
13
TR
AV
EL
BU
ZZ
ER
14
PU
MP
EP
PR
(-)
15 16 17 18
PO
WE
R M
AX
SO
L.
19 20 21 22 23
PR
OG
RA
M D
UM
P
24
OV
ER
LOA
D S
IG
TR
AV
EL
SP
EE
D S
OL.
PR
E-H
EA
T S
W
NC
AC
CE
L A
CT
(-)
HO
UR
-ME
TE
R
NC
NC
EN
G P
RE
HE
AT
ER
NC
NC
NC
BA
TT
ER
Y 2
4V(+
)
PO
WE
R IG
NC
BO
OM
PR
IOR
ITY
SO
L
NC
25
NC
26
NC
27
GN
D (
MA
IN)
28
SE
RIA
L-T
X29
SE
RIA
L-R
X30
GN
D31
RS
232
(+)
32
RS
232
(-)
33
RS
232
(GN
D)
34
NC
35
PU
MP
EP
PR
(+)
36
CN
-51
CN
-50
4B
/W57
V/W
3757B
/W
3R3R2 1
CN
-60
(21N
4-01
320)
105
116
5W5W2 1
CN
-95
(21N
4-01
311)
104
115
FUSIBLE LINK
SH 59
13 13 NC
14 14 NC
15 15 NC
2AB
13 13 FUSE
14 14 FUSE
15 15 FUSE
1313
1414
1515
13 13
14 14
15 15
5 5
6 6
7 7
8 8
WATER TEMP SENDOR
WATER TEMP SENDOR
NCNC
1
2
3
4
5
6
R/WCN-1
11
2
3
4
5
6
CPU CONTROLLER
NC
CPU CONTROLLER
CPU CONTROLLERW3B2
1
2
324V
SIG
GNDW
G
R
1
2
324V
SIG
GNDW
G
R
PUMP3 PRESS(21EG-32210)
PUMP2 PRESS(21EG-32200)
CD-42
CD-43
1
2
324V
SIG
GNDW
G
R
PUMP1 PRESS(21EG-32200)
CD-44
BR4V5
1
1A
1E
2
2A
2E
3
4
5
R/W
1
2
3
4
W
CN-3
3
DESTINATIONNO.
1
2
3
4
GND
SAFETY RY
PRE-HEAT RY
GY2
CD-8B
CR-23
STARTER
CN-74
W 3
5
15R
ALTERNATOR(21E6-40030)
CN-45
G 6
B+
MM
FROM BATT RY
WATER TEMP SENDOR (21EN-40100)
B1
CPU,DIODE(DO-1)
B 1
2GY
CPU CONTROLLER
CPU CONTROLLER
ENG HARNESS FRONT (21N6-21020)
W
B
R/W
BR
B
R/W
V
B
HARNESS PUMP PS (21N8-11170)
5 5 CPU CONTROLLER6 6 CPU CONTROLLER7 7 NC8 8 NC
Preheater
V 415R
15R
PRE HEATER RY (E225-0006)
CR-24
V4
B5
G6
START RY(21N6-30120)
11 1112 12
11 CABIN LIGHT 11
12 NC 12
V 107
SAFETY SW(21N8-20300)
CS-4
CS-29
ONE TOUCH DECEL
CS-19
POWER MAX
OR 5V 6G 7
B 1Y 2
B 3GY 4
1
2
3
4
5
6
7
B
Y
CN-41
2
87
DESTINATIONNO.
1
2
3
4
5
6
7
8
GND
GND
NC
SAFETY SOL
GY4
G
LH HARNESS
CPU CONROLLER
GND
NC
CPU CONROLLERB
V
3
6
A
B
C
B C
A
OR5CS-20
SAFETY SW(21M5-50250)
G B
WIPER MOTOR HARNESS(21N8-10090)
HARNESS ENG REAR
DIODE(21EA-50550)
DIODE(21EA-50550)
N.C
S.R-
S.R-
S.L-
S.L-
N.C
ILL+
S.R+
S.R+
1
2
3
4
5
6
7
8
9
ACC 10
B+ 11
S.L+ 12
S.L+ 13
GND 14
N.C 1
RADIO ON/OFF 2
BAND 3
BAND 4
SEEK 5
SEEK 6
N.C 7
GND 8
VOL/R OUT 9
VOL/L OUT 10
VOL/R IN 11
VOL/L IN 12
GND 13
N.C 14
1
2
3
CN-11
4
5
DESTINATIONNO.
1
2
3
4
5
6
7
8
GND(BLOWER)
FUSE(Battery)
DPS(COMPRESSOR)
CONDENSOR FAN6
7
8
RELAY(M2)(11N6-90820)
DUCT SENSORG
B9B
YB
25
LB24
Y20
A
WR
23 L36
2B32
L36
A
YB
r27
YW
35
LG26 35
YW
6AR
Y
33A
R
28B
G
3R
W
RELAY(HI)(11N6-90820)
36L
6BR
Y
33R
29Y
B
BR
1
BR
2
RW
4
G5
RY
6
BrR
8
GB
9
BR1,22B32RY6RW3,4
LW30LY31G5
HARESS AIR CON(11N6-90830)
GND(CONTROLLER)
FUSE(IG)
FUSE(Battery)
ILLUMINATION
2R33
1 2 3 4 5 6 7 8 9 10 11 12 13 14
GN
D
GN
D
BA
TT
ER
Y(+
)
BA
TT
ER
Y(+
)
ILLU
MIN
AT
ION
PO
WE
R IG
NC
DU
CT
SE
NS
OR
(+)
DU
CT
SE
NS
OR
(GN
D)
NC
NC
NC
NC
NC
RESISTOR(11N6-90750)
BLOWER(11N6-90700)
MODE(VENT)(11N6-90710)
1.25
G
91.
25Lg
B
8
543
M
21 6
1 2 3 4
Lo Hi
ML
MH
4231
WB
15
BW
16
LR17
GL
19
Y20
GW
21
BG
22
WR
23
LB24
LG26
YB
r27
BG
28
LW30
LY31
AIRCON & HEATER CONTROLLER (11N6-90030)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
INLE
T M
OT
OR
(RE
C)
INLE
T M
OT
OR
(FR
E)
TE
MP
MO
TO
R A
CT
(+)
TE
MP
MO
TO
R A
CT
(-)
TE
MP
M/A
CT
(PB
R)
MO
TO
R A
CT
(RE
F)
MO
DE
M/A
CT
(DE
F)
MO
DE
M/A
CT
(FO
OT
)
MO
DE
M/A
CT
(M+
)
MO
DE
M/A
CT
(M-)
MO
DE
M/A
CT
(PB
R)
BLO
WE
R R
ELA
Y(L
O)
BLO
WE
R R
ELA
Y(M
1)
BLO
WE
R R
ELA
Y(M
2)
BLO
WE
R R
ELA
Y(H
I)
CO
MP
RE
SS
OR
(DP
S)
CO
ND
EN
SE
R F
AN
BG
18 25Y
B
YB
29
7
1 42
5
7
BG
22
GW
21
MODE(D/FOOT)(11N6-90810)
543
M
21 6 7
3 7
WB
15
BW
16
INTAKE M/ACT(11N6-90740)
543
M
21 6 7
3 7
GB
9A
GL
19
BG
18
Y20
LR17
TEMP M/ACT(11N6-90720)
543
M
21 6 7
1 42
5
7
21N6-21150
FRAME HARNESS(21N6-21111)
RESISTOR21E7-4000
CN
-47
OR49
BR751
2OR 50
BR 48
2
1
1
2OR 41
B G13
CN-19 CN-19A
CN-19B
418EO
R
OR
50O
R
GY/W
V
10E
80A
DO-5
DIODE(21EA-50550)
CS-26A
BREAKER SW
GY 5AGY 18A
2
1
BOOM HARNESSSTD : 21N6-21160
2PCS : 21N6-21141
1
2
3
4
5
6
GY/WCN-2
1DESTINATIONNO.
1
2
3
4
5
6
CPU CONTROLLER
AC COMP RY.
NC
START SAFETY RY
TACHO SENSOR(21E3-0042)
CD-17
EPPR V/V
CN-75
ENG OIL PS(21E3-5001)
CD-18
GY/W
Y
L
OR
BR
8
9
6
7
1
NC77
88 NCOR6
BR7
Y8
L9
AC COMP(11N6-90040)
V/W 2CN-28
ENG.HARNESS REAR(21N6-21231)
EARTH
FUSE
2 V/W
9 9 CPU CONTROLLER
10 10 CPU CONTROLLER
11 11 CPU CONTROLLER
12 12 CPU CONTROLLER
B3GY4L/W5
FUEL CUT OFF SOL
CN-793B
4GY
L/W 5
9PUMP EPPR V/V9
10PUMP EPPR V/V10
11TACHO SENSOR11
12TACHO SENSOR12
B G44GY 17AL/W 15A
1
2h
15
9 10
1
2
3
4
5
6
7
8
9
10
26
8
7
(21N8-11160)
1
2
3E
S
I
1
2
1
2
1 2
C 1
2
C6
123456
1
5 3
0I
0,I
H
42
B
HBRACCST
30
86
87
85
87a 86
8587
30
87a
30
86
87
85
87a 86
8587
30
87a
1
rpm 2
1
2
1
I
15
910
1 2 3 4 5 6 7 8 9 10
26
87
P-
SIG P+
123
M456
NC
M+
M-
2
13
56
1
2
M
GROUP 5 ELECTRICAL CIRCUIT
210N74EC01
4-4
1. POWER CIRCUITThe 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 〔CN -116(3, 4)〕Fuse box 〔No.4〕 I/conn 〔CN - 5(4)〕 I/conn 〔CN -17(5)〕 Wiper motor controller
〔CN-141(7)〕Wiper motor 〔CN-21(4)〕
Fuse box 〔No.5〕 CPU controller 〔CN-50(7)〕Fuse box 〔No.6〕 I/conn 〔CN-11(5)〕 Relay(Hi, M2)
※ 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
2. STARTING CIRCUIT
OPERATING FLOWBattery(+) terminal Battery relay〔CR-1〕 Reset button 〔CS-61〕 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.12〕 l/conn 〔CN-2(5)〕 Fuel cut-off 〔CN-79(1)〕
When start key switch is in START positionStart switch START 〔CS-2(5)〕 I/conn 〔CN-8(9)〕 Safety relay 〔CR-5(86) → (30)〕
l/conn 〔CN-3(2)〕 Start relay 〔CR-23〕l/conn 〔CN-2(4)〕 Fuel cut off 〔CN-79(2)〕
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
CHECK POINT
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-3(3)〕 CPU alternator level 〔CN-51(9)〕Cluster charging warning lamp(Via serial interface)
Charging flowAlternator "B+" terminal Battery relay(M8) Battery(+) terminal
Reset button 〔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
4. HEAD AND WORK LIGHT CIRCUIT
OPERATING FLOWFuse box (No.14) I/conn 〔CN-7(7)〕 Switch panel 〔CN-116(9)〕Fuse box (No.15) I/conn 〔CN-7(8)〕 Switch panel 〔CN-116(10,11)〕
Head light switch ON Head light switch ON 〔CN-116(1)〕 l/conn 〔CN-7(1)]
Head light ON 〔CL-4(2)〕: Head lamp ONl/conn 〔CN-10(2)〕 Cassette radio illumination ON 〔CN-27(7)〕l/conn 〔CN-11(8)〕 AC & Heater controller illumination ONl/conn 〔CN-6(8)〕 Cigar light 〔CL-2〕
Work light switch ON Work light switch ON 〔CN-116(2,3)〕 l/conn 〔CN-7(2)〕 l/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
4-11
2
1
4
1 2 3 4 5 6 7CN
-6
8 9 10 11 12
R
1 2 3 4 5 6 7
R GY
CN
-7
8 9 10 11 12
1 2 3 4 5 6 7
R
CN
-10
8 9 10 11 121 2 3
CN
-11
4 5 6 7 8R
GY
R
GY
SWITCH PANEL
CN
-116 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
HE
AD
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WIP
ER
MO
TO
R D
RIV
E
PR
E-H
EA
T
PO
WE
R 2
4V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
HE
AD
LIH
GT
24V
WO
RK
LIG
HT
24V
WO
RK
LIG
HT
24V
WA
SH
ER
SIG
GN
D
TR
AV
EL
ALA
RM
INT
. SIG
CA
BIN
LIG
HT
24V
CA
BIN
LIG
HT
24V
HEAD LAMP
CL-4
R
B
R
CN-27
N.C
S.R-
S.R-
S.L-
S.L-
N.C
ILL+
S.R+
S.R+
1
2
3
4
5
6
7
8
9
ACC 10
B+ 11
S.L+ 12
S.L+ 13
GND 14
G
1 2 3 4 5 6 7 8 9 10 11 12 13 14
GN
D
GN
D
BA
TT
ER
Y(+
)
BA
TT
ER
Y(+
)
ILLU
MIN
AT
ION
PO
WE
R IG
NC
DU
CT
SE
NS
OR
(+)
DU
CT
SE
NS
OR
(GN
D)
NC
NC
NC
NC
NC
AC & HEATER CONTROLLER
CASSETTE RADIO
R
CIGARLIGHT
CL-
2
Y
Y
Y
V
Y
V
WORK LAMP
1
2
V
V
B
B
V
BCL-5
CL-6
CN-121
2
1
2
V
63
5
7
8
FU
SE
BO
X
CN
-36
AC
BLO
WE
R
CP
U B
+5
5A
2710
A
2610
A
2510
A
245A
2310
A
225A
2110
A
2010
A
1910
A
1820
A
175A
1610
A
1510
A
145A
1320
A
1220
A
115A
105A
910
A
85A
710
A
620
A
410
A
35A
25A
120
A
SP
AR
E
FU
EL
FIL
LER
P/P
SO
LEN
OID
3
SA
FE
TY
SO
L
SO
LEN
OID
1
TR
AV
EL
ET
HE
R(P
RE
-HE
AT
)
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
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
CP
U
FU
EL
CU
T-O
FF
CLU
ST
ER
CA
SS
ET
TE
RA
DIO
WIP
ER
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
2820
AS
PA
RE
13 14 15
1
2
HEAD AND WORK LIGHT CIRCUIT
21074EL54
4-12
5. BEACON LAMP AND CAB LIGHT CIRCUIT
OPERATING FLOWFuse box (No.17) I/conn 〔CN-8(3)〕 Beacon lamp switch 〔CN-23(6)〕Fuse box (No.16) 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
4-13
FU
SE
BO
X
CN
-36
AC
BLO
WE
R
CP
U B
+5
5A
2710
A
2610
A
2510
A
245A
2310
A
225A
2110
A
2010
A
1910
A
1820
A
175A
1610
A
1510
A
145A
1320
A
1220
A
115A
105A
910
A
85A
710
A
620
A
410
A
35A
25A
120
A
SP
AR
E
FU
EL
FIL
LER
P/P
SO
LEN
OID
3
SA
FE
TY
SO
L
SO
LEN
OID
1
TR
AV
EL
ET
HE
R(P
RE
-HE
AT
)
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
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
CP
U
FU
EL
CU
T-O
FF
CLU
ST
ER
CA
SS
ET
TE
RA
DIO
WIP
ER
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
2820
AS
PA
RE
4
1
1 2 3 4 5 6 7
Y
CN
-8
8 9 10 11 121 2 3 4 5 6 7
CN
-10
8 9 10 11 12
Y
B
G
Y
G
CS-23
BEACON LAMP SW
15
9 10
1
2
3
4
5
6
7
8
9
10
26
8
7
GG
BEACON LAMP
G
B
CL-7
M
2
3
6
1 2 3 4 5 6 7
OR
CN
-7
8 9 10 11 12
SWITCH PANEL
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
HE
AD
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WIP
ER
MO
TO
R D
RIV
E
PR
E-H
EA
T
PO
WE
R 2
4V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
HE
AD
LIH
GT
24V
WO
RK
LIG
HT
24V
WO
RK
LIG
HT
24V
WA
SH
ER
SIG
GN
D
TR
AV
EL
ALA
RM
INT
. SIG
CA
BIN
LIG
HT
24V
CA
BIN
LIG
HT
24V
OR
OR
8
7
RR
R/W
OR
OR
B
B
OR
1
2
1
2
CAB LIGHT
CAB LIGHT
CL-8
CL-9
5
R/W
CN
-116
BEACON LAMP AND CAB LIGHT CIRCUIT
21074EL55
4-14
6. WIPER AND WASHER CIRCUIT
OPERATING FLOW
Key switch ONFuse box (No.11) I/conn 〔CN-7(5)〕 Switch panel 〔CN-116(6)〕Fuse box (No.4) I/conn 〔CN-5(4)〕 I/conn 〔CN-17(5)〕 Wiper motor controller 〔CN-141(7)〕
Wiper motor 〔CN-21(4)〕Fuse box (No.13) I/conn 〔CN-6(5)〕 l/conn 〔CN-17(4)〕 Wiper motor controller 〔CN-141(6)〕
Washer pump 〔CN-22(2)〕
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.13) 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
4-15
FU
SE
BO
X
CN
-36
AC
BLO
WE
R
CP
U B
+5
5A
2710
A
2610
A
2510
A
245A
2310
A
225A
2110
A
2010
A
1910
A
1820
A
175A
1610
A
1510
A
145A
1320
A
1220
A
115A
105A
910
A
85A
710
A
620
A
410
A
35A
25A
120
A
SP
AR
E
FU
EL
FIL
LER
P/P
SO
LEN
OID
3
SA
FE
TY
SO
L
SO
LEN
OID
1
TR
AV
EL
ET
HE
R(P
RE
-HE
AT
)
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
SW
ITC
H P
AN
EL
CO
NV
ER
TO
R
CP
U
FU
EL
CU
T-O
FF
CLU
ST
ER
CA
SS
ET
TE
RA
DIO
WIP
ER
+
AC
& H
EA
TE
R
RO
OM
LA
MP
ST
AR
T K
EY
2820
AS
PA
RE
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-22GY/W
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
HE
AD
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WO
RK
LIG
HT
OU
T
WIP
ER
MO
TO
R D
RIV
E
PR
E-H
EA
T
PO
WE
R 2
4V
CA
BIN
LIG
HT
OU
T
CA
BIN
LIG
HT
OU
T
HE
AD
LIH
GT
24V
WO
RK
LIG
HT
24V
WO
RK
LIG
HT
24V
WA
SH
ER
SIG
GN
D
TR
AV
EL
ALA
RM
INT
. SIG
CA
BIN
LIG
HT
24V
CA
BIN
LIG
HT
24V
BR
5
LW
WIPER MOTOR CONTROLLER
L
LL
1
33
3
46
WIPER AND WASHER CIRCUIT
21074EL56