Connector Arrangement Drawing And Electric Circuit Diagram Of Each System - Komatsu PC130-7 Shop Manual

TROUBLESHOOTING
CONNECTOR ARRANGEMENT DRAWING AND ELECTRIC
CIRCUIT DIAGRAM OF EACH SYSTEM
Connectors list
Connector No. of
Type
No
A01 X
A02 X
A03 DT
A04 SWP
A05 SWP
A06 SWP
A07 SWP
A09 SWP
A10 Terminal
A11 Terminal
A12 Terminal
A13 Terminal
A14 Terminal
A15 Terminal
A16 Terminal
A20 Terminal
A21 Terminal
A22 Terminal
A23 Terminal
A25 Terminal
A26 Terminal
A27 X
A29 Terminal
A31 D
A33 X
A34 L
A35 M
A41 090-II
A42 X
A43 X
One-pin
A44
connector
A50 X
A50 KES0
A51 D
A60 X
A61 D
A70 D
A71K D
A80 —
A95 D
A96 D
A97 D
A98 D
A99 SWP
PC130-7
a The address of each connector roughly shows the place of the connector in
the connectors stereogram and the circuit diagram of each system.
Name of device
pins
4 Intermediate connector
4 Intermediate connector
12 Intermediate connector
6 Intermediate connector
14 Intermediate connector
14 Intermediate connector
16 Intermediate connector
8 Intermediate connector
1 Revolving frame ground
1 Revolving frame ground
1 Revolving frame ground
1 Revolving frame ground
1 Revolving frame ground
1 Revolving frame ground
1 Revolving frame ground
1 Battery relay (Terminal E)
1 Battery relay (Terminal BR)
1 Battery relay (Terminal M)
1 Battery relay (Terminal B)
1 Heater relay (Coil)
1 Heater relay (Contact)
2 Starting motor safety relay (Terminals S, R)
1 Starting motor safety relay (Terminals C)
2 Air cleaner clogging switch
2 Radiator coolant level sensor
2 Fusible link (65A)
2 Fusible link (30A)
1 Horn
1 Intermediate connector
2 Travel alarm (If equipped)
1 Working lamp (Right front)
2 Intermediate connector
2 Windshield washer motor (Tank)
3 Pump oil pressure sensor
1 Fuel level sensor
2 Hydraulic oil temperature sensor
3 Overload alarm pressure sensor (If equipped)
2 Fuel priming pump (If equipped)
4 Spare connector
2 Spare connector
2 Spare connector
2 Spare connector
2 Spare connector
8 Intermediate connector
CONNECTOR ARRANGEMENT DRAWING AND ELECTRIC
CIRCUIT DIAGRAM OF EACH SYSTEM
Address
Stereo- M- G-
gram circuit circuit
S-1 H-7 I-8
T-1 H-7 I-8
N-3 H-6 I-6
N-1
T-1 H-6
N-1 H-6
S-1 H-4 I-7
N-2
I-1 I-1 G-1
I-2 I-1
I-2 I-1
I-2 I-1 G-1
L-1 I-1 H-1
J-2 I-1
J-2 I-1
L-2 J-3 J-4
L-2 J-2 J-3
K-2 J-2 K-4
K-3 J-2 K-3
K-1 K-3 K-7
K-1 K-3 K-7
L-1 K-3 K-5
K-2 K-3 L-5
L-7 K-5
L-5 K-5
L-3 K-7 L-3
L-3 K-7 L-3
G-1
G-9 G-2
I-9
D-9 H-1
E-9
E-9 K-6
I-9
G-9 K-5
K-9 K-6
G-9
G-1
R-1
K-8
K-8
L-8
L-8
N-2 H-3
20-217
P-
circuit
H-8
H-7
H-7
H-7
H-6
H-5
H-5
H-5
I-1
I-1
J-1
J-1
K-5
K-6
A-70
H-4
(1)