2-69
2-69
501150
501150
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.2
3.29
9 FNR L
FNR Leve
ever or Acc
r or Accele
elerat
rator, F
or, Faul
aulty Se
ty Setti
tting (E
ng (E))
Error code: E
Error code: E
Situation
Situation
Display: "E".
Display: "E". Traction motor operatio
Traction motor operation inhibited. Normal pump and power steering oper
n inhibited. Normal pump and power steering operations. Line contactor
ations. Line contactor
OPEN.
OPEN.
Possible
Possible
cause
cause
Key switch turned on while
Key switch turned on while direction lever was either in forward or reverse position, key switch
direction lever was either in forward or reverse position, key switch turned on while
turned on while
accelerator pedal was depressed, seat switch turned off during running, faulty direction lever switch, faulty
accelerator pedal was depressed, seat switch turned off during running, faulty direction lever switch, faulty
accelerator sensor, faulty main harness, faulty logic unit.
accelerator sensor, faulty main harness, faulty logic unit.
Trigger of
Trigger of
the error
the error
code
code
Detects following signal when turning on power.
Detects following signal when turning on power.
Direction le
Direction lever:
ver: F or R
F or R
Accelerator sensor voltage: More than 0.9 V
Accelerator sensor voltage: More than 0.9 V
Checks
Checks
Direction
Direction
lever
lever
Accelera
Accelera
tor
tor
sensor
sensor
10
10
Tur
Tur
n off p
n off p
ow
ow
er
er
Check faulty unit if found with service tool
Check faulty unit if found with service tool
(
(
)
)
(
(
)
)
(1) Move direction lever to neutral, and release accelerator pedal
(1) Move direction lever to neutral, and release accelerator pedal
(7) Check direction lever and accelerator sensor operations
(7) Check direction lever and accelerator sensor operations
with input/ou
with input/ou
tput
tput
monitor
monitor
(12) Dis
(12) Dis
conne
conne
ct connec
ct connec
tor E-19
tor E-19
of direction lever
of direction lever
Turn on
Turn on
power
power
N
N
o
o
r
r
m
m
a
a
l
l
(
(
E
E
)
)
(14) D
(14) D
isco
isco
nnect conn
nnect conn
ectors E-03
ectors E-03
and E-
and E-
02
02
of logic unit
of logic unit
(3) Confirm SUO #47 setting
(3) Confirm SUO #47 setting
Correct
Incorrect
Correct
Incorrect
(2) Turn off power. Move direction lever to neutral
(2) Turn off power. Move direction lever to neutral
, release
, release
accelerator pedal, then turn on power again
accelerator pedal, then turn on power again
(13) Replace direction lever
(13) Replace direction lever
(15) Check short circuit between E-03-15(21) and
(15) Check short circuit between E-03-15(21) and
E-03-36(104)
E-03-36(104)
, pump inverter
, pump inverter
N
N
terminal and
terminal and
E-03-37(103)
E-03-37(103)
Not
Not
shorted
shorted
Shorted
Shorted
With service tool
With service tool
Without service tool
Without service tool
If fault remains
If fault remains
(5) Set SUO #47 with
(5) Set SUO #47 with
service tool
service tool
(4) Disconnect connector E-02 or B-01
(4) Disconnect connector E-02 or B-01
If B-01 is disconnected , short circuit B-01-1 and B-01-3
If B-01 is disconnected , short circuit B-01-1 and B-01-3
(6) Turn on power
(6) Turn on power
Not
Not
"
"
E
E
"
"
"
"
E
E
"
"
(8) Connect connector E-02 or B-01
(8) Connect connector E-02 or B-01
(9) Refer to troubleshooting
(9) Refer to troubleshooting
for code "51"
for code "51"
(11) Refer to error code "51"
(11) Refer to error code "51"
Содержание FB13PNT
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Страница 86: ...1 73 1 73 Fig 5 Fig 5 500969 500969...
Страница 264: ...4 13 4 13...
Страница 265: ...CHAPTER 5 CIRCUIT DIAGRAM CHAPTER 5 CIRCUIT DIAGRAM Ch Chap apte ter 5 r 5 C CIR IRCU CUI IT DI T DIA AGR GRAM AM...
Страница 266: ...5 1 5 1...
Страница 267: ...5 2 5 2...
Страница 268: ...5 3 5 3...
Страница 269: ...5 4 5 4...
Страница 270: ...5 5 5 5...
Страница 271: ...5 6 5 6...
Страница 272: ...5 7 5 7...
Страница 273: ...5 8 5 8...
Страница 274: ...5 9 5 9...
Страница 275: ...5 10 5 10...
Страница 276: ...5 11 5 11...
Страница 277: ...5 12 5 12...
Страница 278: ...5 13 5 13...
Страница 279: ...5 14 5 14...
Страница 280: ...5 15 5 15...
Страница 281: ...5 16 5 16...
Страница 282: ...5 17 5 17...
Страница 283: ...5 18 5 18...
Страница 284: ...5 19 5 19...
Страница 285: ...5 20 5 20...
Страница 286: ...5 21 5 21...
Страница 287: ...5 22 5 22...
Страница 288: ...5 23 5 23...
Страница 289: ...5 24 5 24...
Страница 290: ...5 25 5 25...
Страница 292: ...9 9 9 9 7 7 5 5 9 9 5 5 M M 3 3 0 0 0 0 P P N N F F o o r r k k l l i i f f t t T T r r u u c c k k s s...