ELECTRI CAL SYS SYSTEM 3 ELECTRICAL Sch01 Main diagram Sch02 Feeds E-ECU, I-ECU, V-ECU Sch03 Starting motor, motor, preheating Sch04 Engine speed, fuel level Sch05 Engine coling, engine oil level Sch06 Lighting Sch07 Working lights Sch08 Rotating beacon, direction indicators, stop lights Sch09 Gear control, steering column, lever carrier Sch09B Gear control, steering column, single lever Sch10 Sensors, transmission Sch11 Gear shifting solenoids, transmission disengagement disengagement Sch13 Brake cooling oil temperature, transmission oil level Sch15B Braks Sch16 Secondary steering Sch17 Lever steering (CDC) Sch18 Wiper, washing, horn Sch19 Climate control system, air condition (AC) Sch20 Cab Sch21 Work hydraulics Sch21B Work hydraulics with 4th hydraulic function Sch21C Work hydraulics with single lever Sch22 Work hydraulics, Detent, 3rd hydraulic function Sch23 Boom Suspension System (BSS), hydraulic oil temperatur Sch24 Communication, Communication, ECU Sch25 Display panel keyboard Sch26 Automatic lubrication system MAIN
L69050A L69054A L69056A L69059A L69061A L69064A L69067A L69070A L66659C L69071A L69072A L69074A L66895C L69078A L69081A L66839D L69084A L69086A L69089A L69090A L69093A L69095A L69097A L69098A L69100A L66268F L69102A
1
CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER
ELECTRI CAL SYS SYSTEM 3 ELECTRICAL Sch27 Accelerator pedal, hand throttle Sch28 Sensors connected to E-ECU Sch29 Sensors connected to E-ECU Sch30 Injectors Sch31 Communication, Communicati on, ECU, preheating preheatin g Sch32 Mechanical parking brake with rider truck safety norms Sch33 Climate control system, automatic temperature control Sch34 Reversing camera, electrically heated rear Sch100 Reversible fan
MAIN
2
L67865B L69103A L69107A L69108A L69111A L69115A L69115A L69116A L69116A L69243A L69247A
CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER
ELECTRI CAL SYS SYSTEM 3 ELECTRICAL Sch27 Accelerator pedal, hand throttle Sch28 Sensors connected to E-ECU Sch29 Sensors connected to E-ECU Sch30 Injectors Sch31 Communication, Communicati on, ECU, preheating preheatin g Sch32 Mechanical parking brake with rider truck safety norms Sch33 Climate control system, automatic temperature control Sch34 Reversing camera, electrically heated rear Sch100 Reversible fan
MAIN
2
L67865B L69103A L69107A L69108A L69111A L69115A L69115A L69116A L69116A L69243A L69247A
CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER
SCH01 BL/SB
BA 1 30 FU70 FU 70
BA 2 -
+
R
R
R
DA3 C2
10A
1101
30
DR
0
DA1
Y
RA DI27
+
15
GR
85
86
4
RD2
31
FU30 FU 30
OR
30K
1
87 30
3 5
15EA
FU31 FU 31
R3
5 A
FU32
C4
R/W
5 A
R5
15EA-32
FU14 FU 14
C6
5A
TB5
31AC
MR6
31M 31S
SA9
31D
E3
FU15 FU 15 (a)
1 R
0
O
2 3
X
R
(a)
RE RE2
DR 15 19 19 50
X X
2
R
X
1
X
X
2
X
X
3
X
X
X
X
30K
X X
IM201 2 h
SB 31
31R4
31S
5 A
87A
30 P
1
8128
C13
31B1
61
2122
SA7
50
SW101
B+
RE12 2
15 19
R4
2123
R
B-
R
P1.19 Y DB1
DA2
R/W
3 2
I-ECU LC3
31R3
SB SB
ALT1 ALT 1
1 R
DI28
1102
R 1
5 A
C1
DA7
OR
50
31R2
31
SB
15A
R 11
20A
R
P
30K
30
SCH20
31R1
MO201
21 FU21 FU
30A
FU33 FU 33
C1
SW 101
R
1
31VC
SB
R
R
30-29
SB
-
+
R
150 A
FU29 FU 29
SW100
1
DI25
10A 85
86
87 30
31
4 3 5
31U
EM4
15A
FU2 FU 2
C15
10A
31 I
SCH31 8
31E
S B
SB 31 SB 31M
31R
SB 31S
31C
SB 31D SB
C
31 SB 31 I
31F
SB/W
3 1 F
S B
87A
X
RE RE4 X
30K
2
86
1
30
31 85 87
4 3 5
15B
31
SB 31C
31C
SB
31F2
31F1
31
F
87A
11040971.P01
Volvo Construction Equipment
FU 15
SCH02
DA9
R/W
P1.14
15EA
E6
R/W
DA8
BL/Y
V-ECU
P3.21
1103 DA13
R/W
RE11
30K
2
86
1
30
31
EB14
15EA-15
DI32
SB 31 I
I-ECU
15EA-15
10A A
P1.13
I-ECU P1.30
15E-17
85
4
87
3 5
FU17
E16
R/W
EB28
EB24
15E-17
10A
SB/W
31EA
31EA
V-ECU
87A
EB42
SB 31M 31
EA42
SB/W
31FR
31FR MR15
FU18 20A
C5 R16
ES9
R/W 15E-18
7
SCH31
DA16 11040972.P01
Volvo Construction Equipment
SCH03
SW101 R P 30
0
DR
R 1
15
RE8
3 2
DA5
W
50
2
86
4
87
3
RE 9
31
2101
FU8
19
30K
1
1
30
87A
5
87
3
30
30
R1
Y
31
50
2201
5 15A
2.010
MO201 85
SB
87A
2
SCH09 2
86
85
31R2
4 31
SW 201 FU14
DB5
Y
1
5
BL/R
15EA 5 A
15EA-14
P2.18
2.020
I-ECU
2102
D10
Y
ES6
15EA-14
Y 15EA-14
I-ECU LC15
P1.4
D2
GN 2302
ES11
9
SCH31
10
SCH31
11040973.P01
Volvo Construction Equipment
SCH04
2.040
MR1
Y 2107
SE201 Y
TB1
EA27
TB15
EA42
2107 SB/W 31FR
V-ECU SE207 2
BL/W
RB9
EB9
2.100
2113 1 SB/W
RB16
EB24
31EA
11040727.P02
Volvo Construction Equipment
SCH05 SE210 2
C
GN/W
RB8
2.130 EB7
2119 1
SB/W
MA 202 RB16
EB24
EC18
OR
EC19
GN/W
31EA
UA7
1
2
2219
MR5
UA13
2319
SE211 W
RB5
EA28
RB15
EA42
ES4
EB24
V-ECU
2120 SB/W 31FR
SE213 3
2
2.150 SB/W 31EA
1
R/GR
ES2
EB13
ES3
EB31
S5 BN/W 2125
RB4
2.180 EC1
GN
RA2
RP2
RA3
RP3
RB16
RP1
9315
EC8
BL 9316
EB24
W/SB 31EA
11040979.P01
Volvo Construction Equipment
SCH06
SW301 FU 27
SA1
30K 15A A
6
2
FU7
SA16
P 3101
3 0 - 2 7
LA301
F13
3.010
GN/W
SB
3102
5 A
31F
31
LA302
Y
3.020
BN
SA8
3135
R6
LA 303
W
3.030 SB 31R2
3103
FU6
LA304
F6
3
SCH07
31
3.040
BN
SB 31F
3104
5 A
31
LA305
3.050
BN 3135
3.060
LA306
R7
OR
SB
3105
8 I D 7 I D 6 I D 5 I D 4 I D
RZ3
OR
31
LA307
RE2
3105 SA5
31R2
SL2
RE1
SB RZ1
SL1
31
3.070
LA308
SA5
DB2
W
3.080 SB 31S
3106
31
LA 309
GN
SB 31D
3107
SW302 1 3
BL/W
SD11 WA1
4 WA5
BL/R
DA15
3208
FU12
F11
FU11
SCH21
LA310 2
BL/W
3.090
1
3209
5 A
3108
31
LA 311 F14
BL/Y
2
1
3.100 SB 31F
3210
5 A
WA7
P 3211
DB16
FU25
LA312 F12
3
VO
3.110
1
3212
5 A
FU24
31
LA313 F9
GN/R
3
1
3.120 SB 31F
3213
5 A DA4
GR 3214
31 P1.17
I-ECU
3.130
LC12 11040980.P01
Volvo Construction Equipment
SCH07 FU26
SB14
ST3
LA314
BL/Y
30K
SB
30-26
10A A
3.140
ST6 31S
31
SW303 LA315 BL/Y
6
2
30-26
ST4
BL/Y
BL/Y
3125
2
3.150
1
3125 SA14
LA316 BL/Y
2
1
3.160
SB ST6 31S 31
3125
RE10 BL/Y
1
3
30-26
GR
SA4
2
86
85
4 31
3126
FU13
87
1
30K
F15
3
30
3.170
1
3226
5 10A
LA317 2
BL/R
LA318
87A
FF2
2
1
3.180
FF1
LA319 F16
SW304 FU28
P
2
SB
3.190 31F
31
LA320 SB10
30K
BN/W
6
2
BN/W
SA10
R8
Y/W
3127
30-28
10A A
RZ2
2
LA321
DI1
3
DI2
DA11
2
SCH06
SB15
10A A
BL/R 30-22
1
1
3.210 SB RZ1 31R2 31
BL/W
P1.22
I-ECU 3.220
LC7
3228
30K
3.200
1
3128 DI3
FU22
1
3227
LA322 3
VO
ST7
3129
VO
2
3..230
1
3129
LA323 SC12
RB12
VO 3129
2
1
SB ST6
31S
3.240
31 11040981.P01
Volvo Construction Equipment
SCH08 R301 FU21
SA12
15A
P2.10
LA1-5 I-ECU
3.250
3130
15A-21
5 A A
SD13
GN/W
VO
LA325 3.260
SW305 FU28
SB10
BN/W
1
5
ST5
BL/R
ST6
BL/R
30-28
10A A
3131
SB
MO
30K
31S
3131
SD15
BL/R
P1.6
31
I-ECU LA326
LC14
3131
3.270
SE301 FU20
Pa C12
UA12
VO
BN
BL
2
31
RF1
4
3.285
DB10
BN/W
30K
30B 30-9
5 A A
3133
DB4
GR
C DB12
VO
6
8
P1.16
3233
DB6
BN
I-ECU
3.290
LC13
49
15A-20
3134 5
31 DB8
Y/W
3.295
31
LA328
49A
FA11
BL/W
31F 3334
3
3.300
SB
3234 31
BL/W
LA329
3334 VO
3.280
SB
3132
SW306 DB3
LA327
RB6
31R2/3
15A-20
5 A A
FU9
UA6
2
1
15A
SW307
7
15A-20
Y/W
WA3
BL/W
D11
RB11
BL/W
3.310
SB 31R2/3
3334
WA2
3334
31
LA330
3234
WA4
BL/Y
D14
FA14
BL/Y
3.320
SB 31F
3335 1
3335
31
BL/Y SB
LA331
3335 31D
RB14
BL/Y
31R2/3 3335
Volvo Construction Equipment
3.330
SB
31 31
11040939.P01
SCH09
SW401 1
2
3 4
GA2
W
P2.21
4.010
4101
FU14
Y
DB5
15EA
B
GA6
GA8
5A
P2.20
OR
15EA-14
4102 GA3
P2.8
Y/GR
I-ECU
4103
C GA5
BL/GN
P2.7
4.020
EM12
4104
DI31
31
Y
GA1
DI11
SW402 R GA4 A
BL/Y
N
4105
EM14
15EA-14
DA14
DA12
D
GA7
F
SCH3
R2 31 EM5
31
VO
4.030
DI10
2
6 2 I
N
P2.9
P2.22
4106
SW403 FU30
SA6
BN
SE6
GN
SE2
SC2
EA3
15EA 5A
15EE
4.040
4107
SW404 R 7
SE7
BL
SE3
SC3
EA31
4.050
4108
5 F
1
GR
SE4
SC4
EA17
V-ECU
4109
SW405 SE10
W
SE5
SC5
SE1
SC1
EA19
4.060
4110
SW406 SE16
Y 4111
EA1
4.070 11040705.P01
Volvo Construction Equipment
SCH09B
SW401 1
2 3 4
FU14
DB5
Y
15EA
B
GA6
GA2
W
GA8
OR
15EA-14
5A
P2.20
4102 GA3
Y/GR
P2.8
4103
C GA5
I-ECU
BL/GN
P2.7 EM12
4104
Y
4.010
P2.21
4101
GA1
SW 402 R GA4 A
BL/Y
N
4105
4,030
EM14 DI10
2 31 EM5
31
VO
SCH03
R2
6 2 I D
F
31 P2.9
DA12
N GA7
DI31
DI11
DA14
P2.22
4106
SW 403 FU 30 15EA 5 A
SA6
BN
4.020
4.040
SE6
GN
15EE
SE2
SC2
EA3
4107
4,050
SW416 R SE7
EP1
GR
BL
EP4
N EP5
Y
GN
EP6
F EP2
SB
BL
SE3
SC3
SE13
SC13
SE4
SC4
EA17
SE5
SC5
EA19
SE1
SC1
EA1
EA31
4108 GN/W
EA24
V-ECU
4126 R
EP3
GR 4109
SW 405 SE10
EP7
W
4,060 BN
EP8
W 4110
SW 406 SE16
4,070 Y 4111
Volvo Construction Equipment
11040924.P01
SCH10
SE401 Pa Y/W
TB8
EA38
4.120
4117
MR3
SE402 BL
TB3
EA41
4118 SB/W
4.130
V-ECU TB15
EA42
31FR MR4
SE403 GR
TB4
EA14
TB15
EA42
4119 SB/W
4.140
31FR 11041460.P03
Volvo Construction Equipment
SCH11 EC35
GN/W
EC36
BL/Y
TA13
4145 TA14
4245
SA EC20
Y
TA1
1
4.150 2
4120 EC21
GN
TA2
4220
EC22
BL
TA3
SD 1
2
4121 EC23
GR
TA4
4221
V-ECU
SB EC24
W
TA5
1
4.160 2
4122 EC25
BN
TA6
4222
SC EC26
OR
TA7
1
2
4123 EC27
Y/W
TA8
4223
EC28
GN/R
TA9
SF 1
2
4124 EC32
BN/W
TA10
4224
SE EC33
BL/W
TA11
1
2
4125 EC34
VO
TA12
4225
SW 411 FU14
4.170 DB5
Y
15EA 5 A A
15EA-14
1
5
GN 4227
P2.17
I-ECU 11040969.P01
Volvo Construction Equipment
SCH13
SE410 C
2
BN
FA6
EB35
4.230
4139 1
SB/W
FA16
EB24
31EA
V-ECU
SE411 C
2
GN/W
RB13
EB8
4.240
4140 1
SB/W
RB16
EB24
31EA
4.310
SE413 2
3
SB/W
TB16
EB24
31EA 1
R/GR
TB2
EB40
SS GN/R
TB14
EB32
4143
11040729.P01
Volvo Construction Equipment
SCH15B GR/R
UA2
EB40
UA5
EB5
UA1
EB24
5.010
S5
SE501 1 Pa
2
W 5101
4
SB/W
V-ECU
31EA
5.020
SE502 FU30
C16
P
UA16
1
Pa 2
UA14
5102
15EE
5 A A
EA36
BL/Y
15EA 3
RD2
R4 31
SW501 FU15
DA9
6
R/W
8
BL/W
P2.15
5.045 I-ECU
5104
15EA 15EA-15
10A A
2 1 7
MA501 SE503 FU30 15EA 5 A A
C16
P
UA16
UB2
1
Pa
10 UB3
3
UA3
D3
UA10
EC4
GN/R
UA9
1
2
SB 31U
5205
31U
BN/W
EA9
5105 RD1
R3 5.050
31
SE504 1
V-ECU
31
2
Pa
31D
5107 UB4
15EE
BL
SB
2 UA11 3
BL/W 5106 BL/W
EA10
V-ECU
MA502 1
2
SB 31U
5106
31U 11040964.P01
Volvo Construction Equipment
SCH16
SE601 FU30
6.010
Mek C16
15EA
P
OA16
1
OA6
2
15EE
5 A
BN
EA22
6101
V-ECU
SE602 2
Pa
OA7
3
1
OR
EA8
6102
SW 601 FU30
SA6
7
BN
SD7
3
OR
P2.5
15EA 5A
15EE
I-ECU
6103
RE601 V-ECU
EC3
OA8
Y/W
MO601 SB
C
6104
FU71
R
30
R
MO
SB
31R4
150 A
I-ECU LC16
P1.18
GN/R 6204
D9
OA9
FH 3
R
5 A
11040931.P01
Volvo Construction Equipment
SCH17
SW407 FU30 15EA
C14 BL/Y
CDC14 OB1
OC1
BN
GR
OC2
OB2
CDC2
GN
EA18
4.080
4112
15EE
5A
SW408 OC3
OB3
CDC3
BL
EA4
4.090
4113
SW409
V-ECU
OC4
OB4
CDC4
BL/Y
GR
EA5
4114
R 7
V-ECU
5
15EE
F 1
EC6
OC5
OB5
CDC5
W 9 / N 0 1 B 6
4.100
W
EA32
4115
CDC10
RE602
9 N 0 B 1 6 0B9
87A
1
SC5
30
3 OC9
87
2
SW410
5
86
85
4
OC6
BN/W
OB6
CDC6
6209
BN
W
4116
4110
4.110
EA19
6.020
MA601 OC7
BN/W
OB7
OD4
BN/W
1
6209
6209 OE2
BN/W
OE3
6209
Y
OC8
OB8
OD2
2
6110 W
-/+
SE603 S
CU 601 GN/SB
0E1
SB
OD1
31
+/-
SB
SB 31
OC10
OB10
SB 31C 31
11040841.P01
Volvo Construction Equipment
SCH18
MO 801 1
GN/R
FU3
15A-3
15A
RE6
10A
SW801 V-ECU 2 1 0
E1
EC11 Y
2
86
4
87
3
31 8102
WA6
DA10
BN/W
1
30
5
8101
A
8.010 85
WA10 Y/GR
DB14
BL/Y
87A
J
9
8202
P2.14
I-ECU
8103
P2.3 WA11
Y/SB
7
8104 DB9
GN/R
2 1
WA8
WA12
BL/GN
0 15A-3
3
MO
5
SB 31
8105
31D
J
MO 802 WA9
B
SD14
BL/Y
BL/Y
8106
V-ECU
SD9 WA14
C SE9
EA26
8133
D12
VO
8.025 1
MO
SB 31S
8106
SC6
BN
2
31 4
SA 801
FA12
8.030
8107 SB
SW802
31F 31
GN/R
VO
15A-3
8107
S E1 2
S D1 2
MO 803 VO
8.040
3
15A-21
RE 5 87A
FU21
1
15A
5
30
3
5A
SA11
BL/W
87
SW803 SA12
VO
3
5
15A-21
BN
SD6 P1.23
8108
1
BL/W
I -E C U
V -E C U
EC12OR E7
2
86
85
2
8302
MO
4
1
31
SB 31S 31
8202
P1.8
8302 SD16
8.050
SW804 MO 804 1
5
P
P
8109
8109
2
MO
1
SB 31S 31 11040731.P03
Volvo Construction Equipment
SCH19
SW805 0
8112
SB2
VO
6
15B
2
3
3
1
SG3
Y/GR 8114
Y/GR
+
3+
SB SG5
M
31S
8114 SG4
8115
31 4+
Y/SB 8115
C801
5
15B-4
OR/W 8113
Y/SB
VO
8.080
1+
4
5
SW 806
MO805
2+ 8113
4
15B-4
20A A
SG2
OR 2
VO/W 8112
7
1
FU4
SG1
W
GN
+
8116 GN
AC2
RE RE801
8116 GN
86
1
30
3
GN
4
87
3
Y/SB 8316
87A
DI802
SE803
RE802 87A
5
8116 2
85
8116
DI802 1
2
1
Y/GR
30
8516
5
MA801
C
3 Y/SB 87
8.090
AC3
AC4
GN/SB
8316
2
4 8 G 1 1 N 6
Pa
OG2 RL3 2
1 RL4 OG3 GN/BL 2
86
85
SB
4
8216
RL2
2
RL1
1
8416
1 0 8 I D
SE804
OG1
SB 31R2
1
31 31AC
31
Pa
FU 31
R2
R/W
15EA
RL5
3
RL6
4
15EA-31
5 A A
Y
RA1
EA30
V-ECU
8117
SW101 R P 30
0
DR
R 1
15 GN
3 2
19
8116
RT801 50
SD5
W
AC1
2
2101 R
FU50 A
R
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Volvo Construction Equipment
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Volvo Construction Equipment
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SJ2 31C 11040927.P01
Volvo Construction Equipment
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Volvo Construction Equipment
11040932.P01
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11040993.P01
Volvo Construction Equipment
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Volvo Construction Equipment
9.120
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Volvo Construction Equipment
11040974.P01
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Volvo Construction Equipment
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11040970.P01
Volvo Construction Equipment
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Volvo Construction Equipment
P1.29 11040734.P01
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Volvo Construction Equipment
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Volvo Construction Equipment
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11040976.P01
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Volvo Construction Equipment
ED39 11040977.P01
SCH31
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SCH01
11040978.P01
Volvo Construction Equipment
SCH32 SW501 FU15
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11040965.P01
Volvo Construction Equipment
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11040989.P01
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11040995.P01
Volvo Construction Equipment