Komatsu PC130-7, Shop Manual

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