jcb JS200 Service Manual page 190

Section C
9 - 15
Fault Diagnosis (continued)
Electrical System, Message Fault, Problem No.10 (continued)
Note: Message does not go out.
B
Continued from previous page
A
Remove driver connector
CN15 and measure
resistances between female
YES
side terminals R and B, R AND
G R and W, R and Y. Are they
within the range of 3.0~3.6 .
YES
Remove driver connector
CN15. Is it continuous
between female side terminals
GL and LgR?
YES
* Redundancy switch OFF, ignition switch ON
Remove controller side connector CN8
*
and measure voltage between GY and
ground.
YES
Is it 0V?
Measure voltage between GR and
ground.
Control System
Is it 5V?
Abnormalities
9803/6400
Troubleshoot
NO
Same work as *1
Remove driver connector
CN15 and measure voltage
between female side terminals
P and BG, connecting P to +
and BG to -. Is it within the
range of 20~30V?.
YES
Remove driver connector
CN15 and measure voltage
between female side terminals
RY and BG, connecting RY to
+ and BG to -. Is it within the
range of 20~30V?
YES
YES
Electrics
Fault Finding
NO
Ignition switch
*
NO
Ignition switch
*
NO
NO
Section C
Cause
*
Breakage or defective
wiring between
CNI and CN15
*
Breakage or defective
wiring between
CNI and CN15
Breakage of wiring
P between CN15
and fuse box
Breakage of wiring
RY between CN15
and key switch
Driver defect
Controller defect
Breakage of wiring
GY or GR between
controller CN8 and
driver CN15
9 - 15
Remedy
Repair
wiring
Repair
wiring
Repair P
wiring
Repair RY
wiring
Replace
driver
Replace
controller
* Repair
GR or GY
wiring
Issue 2*