Tadano GR-500EXL-3, Service Manual

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18
WZ03-7570E
18
Z-5 Z-5 Electric Circuit (Lower) Z-5
2. Comparison table (connector No., usage, description, coordinate and paragraph No.)
CN No. Usage Description
Electric
circuit
coordinate
Electric
circuit
diagram
Harness
diagram
Outrigger ext./ret. selection solenoid valve
CN020 Retracting (SL20) - H-6
Z-5 3.1 Z-13 1.2
CN021 Extending (SL21) - H-5
Outrigger jack/slide selection solenoid valve
CN022 Slide (FR) (SL22) -
F-19
Z-5 3.1 Z-13 1.2
CN023 Jack (FR) (SL23) -
CN024 Slide (FL) (SL24) - F-17
CN025 Jack (FL) (SL25) -
F-18 CN026 Slide (RR) (SL26) -
CN027 Jack (RR) (SL27) -
CN028 Slide (RL) (SL28) -
F-17
CN029 Jack (RL) (SL29) -
Steering mode selection solenoid valve
CN030 Crab steering (steering mode 2) (SL30) - I-7
Z-5 3.1 Z-13 1.2
CN031 4-wheel steering (steering mode 1) (SL31) - I-6
CN041 PTO (SL41) and lock up (SL49) solenoid valve - H-12 Z-5 3.1 Z-13 1.2
Transmission selection solenoid valve
CN043 F1 (SL43) -
G-7 Z-5 3.1 Z-13 1.2
CN044 R (SL42) and F2 (SL44) -
CN045 F3 (SL45) -
CN046 High (SL46) and low (SL47) -
CN050 Air solenoid valve (parking brake) (SL50) Energized: parking brake not apply
Z-5 3.3 Z-13 2.
CN051 Air solenoid valve (2/4-wheel drive shift) (SL51) Energized: 4-wheel drive
CN054 Air solenoid valve (exhaust brake) (SL54) Energized: brake apply
CN064 Air solenoid valve (differential lock) (SL64) Energized: differential lock
CN408 Straight ahead detection switch Output: straight ahead B-21 Z-5 3.1 Z-13 1.3
CN409 Low pressure switch (engine oil) Contact close: low pressure E-2 Z-5 3.2 Z-13 1.2
CN410 Air pressure detector Contact close: low pressure
Z-5 3.3 Z-13 2.
CN411 Air pressure detection switch (parking brake) Contact close: brake apply
CN412 Coolant level detection switch
Output: turn on 2 sec. or engine coolant level low
state
E-3 Z-5 3.2
Z-13 1.2
CN413 4WD detection switch Contact close: 4-wheel drive E-8 Z-5 3.1
CN414 Remaining brake fluid detection switch Contact close: low level (front)
Z-5 3.3 Z-13 2. CN415 Contact close: low level (rear)
CN416 Water in fuel sensor Contact close: draining water state
CN419 Torque converter oil pressure detector - D-8
Z-5 3.1 Z-13 1.2
CN420 Main speed sensor -
G-6
CN421 Sub. Speed sensor (pick-up sensor) -
CN422 Outrigger length detector (FL) - D-6
CN423 Outrigger length detector (FR) - D-7
CN424 Outrigger length detector (RL) - D-6
CN425 Outrigger length detector (RR) - D-7
CN427 Torque converter oil temp. sensor - H-12
CN428 Fuel sensor Contact close: little quantity Z-5 3.3 Z-13 2.
CN431
Centralized greasing switch
Power
N-22 Z-5 3.1 Z-16 5.1 CN432 Distributor
CN433 Distributor
CN458 Differential lock switch Contact close: differential lock apply B-21
Z-5 3.1
Z-13 1.3
CN555 Temperature switch (50°C/122°F) Contact close: more than 50°C (122°F)
F-7 Z-13 1.2
CN556 Temperature switch (85°C/185°F) Contact close: more than 85°C (185°F)
CN568 Air pressure switch (stop lamp) Contact close: depressing brake pedal Z-5 3.3 Z-13 2.
CN600
VCU CN1 (main board)
- A-2
Z-5 3.1 Z-13 1.2
CN601 - C-2
CN602 - E-2
CN603 - G-2
CN604 VCU CN1 (sub. board) - I-2
CN605 VCU CN2 (sub. board) - J-2
CN606 VCU CN3 (sub. board) - K-2
CN607 VCU CN4 (sub. board) - L-2
CN608 VCU CN5 (sub. board) - N-2
CN619 For VCU maintenance - A-3
CN No. Usage Description
Electric
circuit
coordinate
Electric
circuit
diagram
Harness
diagram
CN685 Engine ECU (A) - B-15
Z-5 3.2
Z-13 1.2
CN686 Engine ECU (B) - C-15
CN687 Engine ECU (C) - E-15
CN688 Engine ECU (D) - F-15
CN689 Engine ECU (E) - G-15
CN691 Maintenance connector (MUT3) - H-15
CN701 Head lamp (L) - E-21
Z-5 3.1
CN702 Head lamp (R) - E-22
CN704
Head lamp relay
High beam lamp H-22
CN705 Low beam lamp I-22
CN706 Low beam signal VCU
I-23
CN707 Battery relay
CN708 High beam signal VCU H-23
CN709
Combination lamp (R)
Right turn signal lamp
E-23
CN710 Clearance lamp
CN711 Combination lamp (L) Left turn signal lamp
E-21
CN712 Clearance lamp
CN717A
Rear combination lamp (L)
Left turn signal lamp
H-21 CN717B -
CN718 Clearance lamp/stop lamp
CN719A
Rear combination lamp (R)
Right turn signal lamp
H-23 CN719B -
CN720 Clearance lamp/stop lamp
CN721A
Backup lamp
Backup lamp power
H-21
CN721B Backup lamp ground
CN723 License lamp (option) License lamp G-22
CN730 DIAG switch Releasing the connector can display the DIAG code D-3
Z-5 3.2
CN731 DIAG lamp (red) Turn on: engine stop state or engine critical faults
state
D-2
CN732
CN733
DIAG lamp (orange)
Turn on: engine stop state or engine non-critical
faults state CN734
CN735 Centralized greasing indicator Indicator lamp N-21
Z-5 3.1
Z-16 5.1
CN743 Distributor (with switch) - N-22 Z-16 5.2
CN744 Grease pump - M-22 Z-16 5.1
CN745 Air dryer heater Turn on: heater active Z-5 3.3 Z-13 2.
CN747 Starter relay Key switch K-2
Z-5 3.2
Z-13 1.2 CN748
Alternator
Battery relay (R)/CHG detect (L)
J-3
CN749 Battery relay
CN750 - K-3 -
CN751 Back buzzer - H-22 Z-5 3.1
Z-13 1.2
CN755 Fuse (glow) (70A) Glow plug for engine J-4 Z-5 3.2
CN758
Battery relay (-)
Fuse box (1) M-22 Z-5 3.1
CN759 Fuse 75A K-4 Z-5 3.2
CN760 Fuse box (2), (3)/head lamp relay M-23
Z-5 3.1
CN761 Fuse 75A upper power supply M-22
CN762 Battery relay (+) (relay coil side) - L-4 Z-5 3.2
CN763 Battery relay (+) Direct connect battery M-23 Z-5 3.1
CN765 N adjust (Terminal assy) PTO max. revolution adjust C-2 Z-5 3.2
CN767
Fuse box (2)
-
K-22
Z-5 3.1
CN768 -
CN769 -
CN770 -
K-21 CN771 -
CN772 -
CN778 Fuse (upper power supply) (75A) - L-22
CN779 Fuse (main) (75A) - J-4 Z-5 3.2
CN780
Center joint
- N-4
Z-5 3.1
CN781 -
P-4
CN782 -
CN783 - N-4
CN784 -
O-4
CN785 -
“Electric circuit diagram” and “Harness diagram” show each
applicable paragraph No. of this manual’s contents.
Refer to the contents.