2-123
2-123
501158
501158
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.
3.55
55 Ha
Hand
ndle
le Se
Sens
nsor
or Fa
Faul
ult (
t (82
82))
Error code: 82
Error code: 82
Situation
Situation
Display: "82".
Display: "82". All operations inhibited except mast lowering operation. Line steering contactor OPEN. Travelling
All operations inhibited except mast lowering operation. Line steering contactor OPEN. Travelling
speed limited to 5 km/h.
speed limited to 5 km/h.
Possible
Possible
cause
cause
Steering wheel unit fault, harness fault, power steering controller fault
Steering wheel unit fault, harness fault, power steering controller fault
Trigger of
Trigger of
the error
the error
code
code
One cycle of steering wheel angle input is
One cycle of steering wheel angle input is not within the range between 4 to
not within the range between 4 to 6.67 ms.
6.67 ms.
Steering wheel angle input difference between A and B phase is
Steering wheel angle input difference between A and B phase is more than 8 degrees.
more than 8 degrees.
Checks
Checks
(1) Disconnect battery plug
(1) Disconnect battery plug
(4) Replace harness
(4) Replace harness
(3) Connect power steering controller connector and
(3) Connect power steering controller connector and
connect battery plug
connect battery plug
Turn on power
Turn on power
Check voltage between F-01-1(Power) and
Check voltage between F-01-1(Power) and
F-01-2(GND)
F-01-2(GND)
5
5
V
V
±
±
10%
10%
Out
Out
side
side
acc
acc
ept
ept
able
able
rang
rang
e
e
(2) Disconnect cable of ESP controller and steering wheel
(2) Disconnect cable of ESP controller and steering wheel
unit sensor
unit sensor
Check continuity between E-08-26 and F-01-1(27)
Check continuity between E-08-26 and F-01-1(27)
Check continuity between E-08-7 and F-01-3(24)
Check continuity between E-08-7 and F-01-3(24)
Check continuity between E-08-15 and F-01-4(25)
Check continuity between E-08-15 and F-01-4(25)
Check continuity between E-08-24 and F-01-2(26)
Check continuity between E-08-24 and F-01-2(26)
Continuity
Continuity
No
No
continuity
continuity
(5) Turn off power, turn off battery and discharge
(5) Turn off power, turn off battery and discharge
Replace steering wheel unit
Replace steering wheel unit
(6) Replace logic power board
(6) Replace logic power board
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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...
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