Sakai SW354, Shop Manual

Page: 464 / 480

10-113
TROUBLESHOOTING
SW504
Fig.: 4-6-1
SW504-10003
+BAT
+BAT
CAN (+)
Fuel meter
REV. ratio SEL.1
REV. ratio SEL.2
REV. ratio SEL.3
REV. ratio SEL.4
Lamp check
DTC display
LYS pin
Preheating
Charge warning
Over heat
Manual regeneration
Engine
warning
Engine stop
HYD. oil filter warning
Parking brake
Exhaust system
high temperature
Head lamp
ECO mode
COMBI. meter
ILLUMI.
Hour meter
DEF low level
Pull up
Resistor
3.6K Ω x 3
Pull up
Resistor
3.6K
Ω x
9
Pull down
Resistor
4.7K Ω x 5
Pull up
Resistor
31K Ω x 4
CAN (-)
DC/DC
Converter
CAN
Transceiver
5V
LDO
CPU
MOTOR
driver
LCD
driver
Illumination LED
Engine oil pressure indicator
DEF (SCR) Quality (Green)
DEF (SCR) Quality (Red)
DEF Tampering
Buzzer
Water splay
Liquid spray
High beam
Flood lamp
Turn signal (R)
Turn signal (L)
Vibrator
Inhibit the DPF Auto-vegeneration
Inhibit the SCR cleaning
7 Segments
LCD
Dot Matrix
LCD
TACHO
FUEL
TEMP
+BAT
+
-
Battery 12V (+)
Ground
Starter switch
(ACC)
Pull down
Resistor
4.7K
Ω x
7
+BAT
System configuration diagram
53
LR
B Y B
AV60
55
37
38
37
19
19
17
2
3
13
11
7
3 4
28
13 8
19
2
1
LgR LgW
WR
YG
3R
3R
3R
Or
2GB 2GB
B
B
1
4
2
3
6
5
13 14 12 11
5 2
10
9 8 7 6 4 3 1
2Y
5W
R
8WY
2Y
5WR
LgR
8WR 8W
BrB
12 Y 2 WR
COM
E
L
B
IG
B
BR
ACC
R2
R1
C
5R
AV60
+ -
FUSE
LIGHTING
SWITCH
F.L.
STARTER
SWITCH
F.
L.
BATTERY
RELAY
ALTERNATOR
BATTERY
FUEL GAUGE
UNIT
HYDRAULIC
OIL FILTER
SWITCH
65A
20A 15A 15A 15A 20A 20A
15A 15A
20A 20A
15A
75A
5A
TO
STARTER MOTOR
TO
HEAD LAMP
TAIL LAMP
TO
FLOOD LAMP
FUSE BOX
2 5WR
BR
DIODE
9 8
13
4 5
23
26
22 21 20
27 28 24 25 30
18 19 16 17 15 14
1 2 3 10 11 12
31
4
31
4
BY BY
93
L
92
W Y
12 WR
17 WR
17 YG
55 LR
53 YW
52 GB
37 GB
37
24
1
8 3
19 20
22
2
17 18 10 13
5
16 30 15
B
COMBINATION METER
FUSE
FUSE
5A
NO
12V
92
93 L W
52 YW
O_T_IMPHL(LAMP) 246
O_S_WELP(LAMP) 245
O_T_ESL(LAMP) 224
D1803 ECU
CONNECTION POSITION
1-3,4-5
1-3,4-6
1-2,4-6
LIGHTING SWITCH
Battery 12V (+)
Starter switch (ACC)
Ground
Turn signal (R)
Engine stop
Over heat
REV. ratio SEL.1
REV. ratio SEL.3
Buzzer
Lamp check
CAN(+)
CAN(-)
1
2
3
4
5
6
7
8
9
10
11
12
Head lamp
Parking brake
Charge warning
HYD. oil filter warning
Engine warning
Fuel meter
REV. ratio SEL.2
REV. ratio SEL.4
DTC display
Hour meter
Turn signal (L)
Preheating
13
14
15
16
17
18
19
20
21
22
23
24
Water splay
Flood lamp
Vibrator
Liquid spray
High beam
COMBI. meter ILLUMI.
Exhaust system high
temperature
DEF low level
Manual regeneration
LYS pin
ECO mode
25
26
27
28
29
30
31
32
33
34
35
C B
R
A
CC
R
2
R
1
B
STARTER SWITCH
ON
ST
OFF
HEAT
COMBINATION METER