Komatsu PC130-7, Shop Manual

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20-218
PC130-7
TROUBLESHOOTING
CONNECTOR ARRANGEMENT DRAWING AND ELECTRIC
CIRCUIT DIAGRAM OF EACH SYSTEM
(1)
C01 DRC 24 Governor and pump controller U-9 A-4 A-8 A-8
C02 DRC 40 Governor and pump controller V-9 A-3 A-7 A-7
C03 DRC 40 Governor and pump controller W-9 A-3 A-4 A-4
C09 S 8 Model selection connector U-9 C-8
D01 SWP 8 Concentrated diode W-9 A-8 D-1 G-8
D02 SWP 8 Concentrated diode W-8 A-8 D-1
D03 SWP 8 Concentrated diode W-3 L-3
E01 Terminal 1 Electrical intake air heater J-9 L-7
E02 Terminal 1 Engine oil pressure switch K-8 L-4
E03 D 2 Engine oil level switch K-8 K-6
E04 D 2 Engine speed sensor H-9 K-9
E05 D 2 Engine coolant temperature sensor K-8 K-5
E06 M 3 Fuel control dial O-8 F-1
E06 X 1 Air conditioner compressor magnetic clutch J-8
E08 X 2 Intermediate connector L-7 K-4 I-1
E10 D 3 Governor potentiometer J-9 K-6
E11 D 4 Governor motor J-8 K-6
E12 X 2 Alternator [35-A alternator specification] J-2 K-2 L-2
F02A SWP 2 Intermediate connector AA-9
F02B DT 2 Rotary lamp (If equipped) AA-9
FB1 — — Fuse box U-2 J-9 B-1 D-3
H07 M 2 Intermediate connector Y-5
H08 M 8 Intermediate connector W-6 J-8
H09 S 8 Intermediate connector W-6 J-8
H10 S 16 Intermediate connector S-9 C-7 I-9
H11 S 16 Intermediate connector S-9 C-6 I-9 B-9
H12 S 12 Intermediate connector S-9 C-5 I-8
H15 090 20 Intermediate connector N-7 C-3 C-3
J01 J 20 Junction connector (Black) T-9 C-9 D-9 C-9
J02 J 20 Junction connector (Black) V-3 C-9 D-9 D-9
J03 J 20 Junction connector (Green) V-3 D-9 D-9
J04 J 20 Junction connector (Green) V-3 D-9 E-9 E-9
J05 J 20 Junction connector (Pink) V-3 E-9 E-9 E-9
J06 J 20 Junction connector (Orange) W-3 E-9
J07 J 20 Junction connector (Orange) W-4 F-9 F-9 E-9
J08 J 20 Junction connector (Pink) W-4
J09 J 20 Junction connector (Pink) W-3 F-9 E-9
J10 J 20 Junction connector (Orange) W-3 G-9
K19 M 2 Pump resistor (For driving pump in emergency) W-3 G-8
K30 DT 3 CAN terminal resistance W-7 A-3 C-1
K31 DT 3 CAN terminal resistance N-4 A-4 L-8
M07 M 3 Light switch P-8 B-1
M09 M 1 Working lamp (Boom front) F-9 G-1
M13 — 2 Speaker (Right) AC-8
M19 — 2 Cigarette lighter N-3
M21 PA 9 Radio (If equipped) U-2
M22 090 6 Right lever knob switch N-7
M23 090 8 Left lever knob switch T-1 B-8
M26 SWP 12 Intermediate connector W-4
M27 — 16 Air conditioner unit W-5
M29 040 20 Air conditioner control panel U-2
Connector
No
Type
No. of
pins
Name of device
Address
Stereo-
gram
M-
circuit
G-
circuit
P-
circuit