Komatsu PC130-7, Руководство по ремонту, Страница: 109 / 342

PC130-7
20-219
TROUBLESHOOTING
CONNECTOR ARRANGEMENT DRAWING AND ELECTRIC
CIRCUIT DIAGRAM OF EACH SYSTEM
(1)
M30 — 16 Air conditioner control panel U-2
M31 M 2 Optional power supply (2) W-6
M31B M 2 Heated seat (If equipped) U-2
M32 M 2 Optional power supply (1) Y-5
M32B M 2 Heated seat (If equipped) V-2
M33 M 2 Heated seat switch (If equipped) W-2
M33 SWP 8 Air conditioner unit W-6
M40 SWP 2 Headlamp (Left) Z-8 K-8
M40A SWP 2 Intermediate connector AA-8 K-8
M40B SWP 2 Rear lamp (If equipped) AC-8 K-8
M41 SWP 2 Headlamp (Right) Y-7 K-7
M42 X 1 Intermediate connector I-9 H-2
M43 M 1 Working lamp (Rear) (If equipped) I-9 H-1
M45 D 12 Network bus connector W-8
M46 090 4 RS232C junction connector V-9 B-9
M50 AMP 8 Radio cassette (If equipped) AD-8
M51 AMP 8 Radio cassette (If equipped) AD-8
M71 M 2 Room lamp Z-8
M72 M 4 DC/DC converter W-7
M73 — 2 Speaker (Left) AD-7
M91 M 1 Working lamp (Left front) (If equipped) H-1 H-8
M92 KES0 4 Lower wiper motor H-1 H-8
P01 070 12 Monitor panel N-6 A-7 L-9
P02 040 20 Monitor panel N-5 A-6 L-9 A-9
P03 M 2 Caution buzzer stop switch P-9 B-1
P05 M 2 Rotary lamp switch (If equipped) W-2
P06 M 2 Lower wiper switch W-1 F-1
P15 Y050 2 Air conditioner daylight sensor (If equipped) N-6
P17 — 2 Air conditioner high/low pressure switch N-4
P70 040 16 Monitor panel N-5 A-5 L-9
R10 R 5 Light relay (1) O-8 D-1
R11 R 5 Starting motor cutout relay (PPC lock) P-8 D-1 B-9
R13 R 5 Starting motor cutout relay (Personal code) Q-9 D-1
R16 R 5 Light relay (2) T-9 E-1
R17 R 5 12-V selector relay W-4
R18 R 5 Lower wiper relay T-9 E-1
R20 R 5 Spare connector T-9 C-9
R22 R 5 Spare connector U-9 C-9
R30 R 5 Air conditioner blower relay W-6
R31 R 5 Air conditioner compressor relay W-5
S01 X 2 Bucket CURL pressure switch L-6 K-4
S02 X 2 Boom LOWER oil pressure switch L-4 K-4
S03 X 2 Swing LEFT oil pressure switch L-7 K-3
S04 X 2 Arm IN pressure switch L-5 K-4
S05 X 2 Bucket DUMP oil pressure switch L-6 K-3
S06 X 2 Boom RAISE oil pressure switch L-4 K-5
S07 X 2 Swing RIGHT oil pressure switch L-6 K-3
S08 X 2 Arm OUT oil pressure switch L-5 K-4
S09 X 2 Intermediate connector L-3 H-3
S10 X 2 Service 1 (Front) oil pressure switch (If equipped) L-3 G-2
S11 X 2 Service 1 (Rear) oil pressure switch (If equipped) K-3 G-2
Connector
No
Type
No. of
pins
Name of device
Address
Stereo-
gram
M-
circuit
G-
circuit
P-
circuit