9 - 18
Section C
Electrics
9803/6400
Section C
9 - 18
Issue 1
Fault Finding
Fault Diagnosis
(continued)
Engine Problem, Problem No 12
Note:
Engine revolutions do not change with throttle volume control.
Prior Confirmation
Items
1.
The message "Engine emergency stop" is not displayed.
Troubleshoot
Cause
Remedy
Replace
Controller defect or
controller
bad connection of
or clean
CN10 connector
CN10
connector
terminal.
Replace
Throttle volume
throttle
defect.
volume.
Breakage or shortening
of one of the wirings,
Repair
GrL, GrR, Gr between
of the
CN10 and throttle
GrL, GrR,
volume
Gr.
Replace
Controller defect
controller.
Breakage of GL
Repair
wiring
GL wiring
Replace
Driver defect
driver.
Change voltage moving
throttle volume with
self-check.
Is it within the range of
0~4.5V?
YES
YES
YES
NO
NO
NO
Without removing CN10
connector, change the
voltage between GrR +
and Gr - moving the
throttle volume.
Is it within the range of
0~4.5V?
Remove throttle volume
connector, measure
resistance between throttle
volume side connector GrR
and GrL. Is it within the
range of 0~1 ?
YES
NO
Remove controller CN4 and
driver CN15. Is GL wiring
continuous?
Check motor transmitted pulse
by self-check.
Is it within the range of
500~1023?
Remove throttle volume
connector, measure
resistance between throttle
volume side connector GrR
and Gr. Is it within the range
of 0~1 ?
Even though the
throttle motor is
moving.
YES
YES
NO
NO
Key switch
ON
Summary of Contents for JS 200 Series
Page 57: ...9 1 Section 3 Routine Maintenance 9803 6400 Section 3 9 1 Issue 2 Component Location Diagram...
Page 113: ......
Page 137: ...5 3 Section C Electrics 9803 6400 Section C 5 3 Issue 2 Pump Control FLOW CHART...
Page 201: ...10 7 Section C Electrics 9803 6400 Section C 10 7 Issue 1 CAPs II Diagnostic system K C...
Page 215: ...Section E Section E Hydraulics 9803 6400 Issue 2 3 2 3 2 Schematics...
Page 217: ...Section E Section E 9803 6400 Issue 2 3 3 3 3 Hydraulics Schematics...
Page 218: ...3 5 Section E Hydraulics 9803 6400 Section E 3 5 Issue 1 Schematics Shuttle Block JS200 JS240...
Page 232: ...10 1 Section E Hydraulics 9803 6400 Section E 10 1 Issue 1 Hydraulic Pump JS200 JS240...
Page 233: ...10 2 Section E Hydraulics 9803 6400 Section E 10 2 Issue 1 Hydraulic Pump JS200 JS240...
Page 234: ...10 3 Section E Hydraulics 9803 6400 Section E 10 3 Issue 1 Hydraulic Pump JS200 JS240...
Page 263: ...30 2 Section E Hydraulics 9803 6400 Section E 30 2 Issue 1 Control Valve JS200 JS240...
Page 264: ...30 3 Section E Hydraulics 9803 6400 Section E 30 3 Issue 1 Control Valve JS200 JS240...
Page 265: ...30 4 Section E Hydraulics 9803 6400 Section E 30 4 Issue 1 Control Valve JS200 JS240...
Page 266: ...30 5 Section E Hydraulics 9803 6400 Section E 30 5 Issue 1 Control Valve JS200 JS240...
Page 267: ...30 6 Section E Hydraulics 9803 6400 Section E 30 6 Issue 1 Control Valve JS200 JS240...
Page 268: ...30 7 Section E Hydraulics 9803 6400 Section E 30 7 Issue 1 Control Valve JS200 JS240...
Page 327: ...51 12 Section E Hydraulics 9803 6400 Section E 51 12 Issue 1 Solenoid Valve 8 spool...
Page 328: ...55 1 Schematic Section E Hydraulics 9803 6400 Section E 55 1 Issue 1 Shuttle Valve...
Page 330: ...55 3 Schematic Section E Hydraulics 9803 6400 Section E 55 3 Issue 1 Cushion Valves...
Page 481: ...7 15 Section F Transmission 9803 6400 Section F 7 15 Issue 2 Motor...
Page 482: ...7 16 Section F Transmission 9803 6400 Section F 7 16 Issue 1 Motor...