2-53
2-53
501137
501137
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.
3.21
21 PS
PS Mo
Moto
tor O
r Ope
pen (
n (49
49))
Error code: 49
Error code: 49
Situa
Situation
tion
Displ
Display:
ay: "49".
"49". All
All oper
operation
ations i
s inhibit
nhibited
ed exce
except
pt mast
mast lowe
lowering
ring oper
operation
ation. L
. Line
ine stee
steering
ring cont
contactor
actor OPEN
OPEN..
Possible
Possible
cause
cause
Faulty contact or wire breakage of ST motor cable,
Faulty contact or wire breakage of ST motor cable, faulty ST motor, faulty contact or wire
faulty ST motor, faulty contact or wire breakage of left PS
breakage of left PS
controller connector, wire breakag
controller connector, wire breakage of main harness,
e of main harness, faulty power supply card of
faulty power supply card of logic unit, when restarting
logic unit, when restarting
after motor shorted
after motor shorted
Trigger of
Trigger of
the error
the error
code
code
Motor voltage is abnormal when power is turned on. Current does not
Motor voltage is abnormal when power is turned on. Current does not flow when torque instruction is
flow when torque instruction is
requested.
requested.
Checks
Checks
(1) Disconnect battery plug, then perform inverter discharging work
(1) Disconnect battery plug, then perform inverter discharging work
(4) Secure cable if loose
(4) Secure cable if loose
(12) Secure DSP flat cable if loose
(12) Secure DSP flat cable if loose
Replac
Replac
e EPS co
e EPS co
ntroller
ntroller
if
if
wire bre
wire bre
aks
aks
(15) Repair or replace harness
(15) Repair or replace harness
(8) Connect connector securely
(8) Connect connector securely
(10) Replace motor cables
(10) Replace motor cables
(9) Repla
(9) Repla
ce left
ce left
traction motor
traction motor
(3) Disc
(3) Disc
onnect steering
onnect steering
motor cables from E
motor cables from E
PS c
PS c
ontroller
ontroller
Measur
Measur
e res
e res
istance
istance
of motor cables(U
of motor cables(U
and
and
W phas
W phas
es)
es)
Less
Less
than
than
1
1
Ω
Ω
1
1
Ω
Ω
or
or
more
more
(5) C
(5) C
heck c
heck c
onnec
onnec
tor E-08
tor E-08
of EP
of EP
S con
S con
troller
troller
for
for
loosen
loosen
ess
ess
Normal
Abnormal
Normal
Abnormal
(7) Disc
(7) Disc
onnect connector E-08
onnect connector E-08
of EP
of EP
S
S
controller
controller
and remove
and remove
DSP
DSP
cover
cover
Check DSP flat cable for looseness or
Check DSP flat cable for looseness or
wire breakage
wire breakage
Normal
Abnormal
Normal
Abnormal
Continuity
Continuity
No
No
continuity
continuity
(14) Co
(14) Co
nnect connec
nnect connec
tor E-01
tor E-01
to logic unit, then turn on
to logic unit, then turn on
power again
power again
(6) Measure resistance between terminals of both cable
(6) Measure resistance between terminals of both cable
ends (between U and U, and W and W)
ends (between U and U, and W and W)
Less
Less
than
than
1
1
Ω
Ω
1
1
Ω
Ω
or
or
more
more
(13) Disconnect connector E-02 of logic unit
(13) Disconnect connector E-02 of logic unit
Check continuity between E-02-5 and E-08-21(3)
Check continuity between E-02-5 and E-08-21(3)
Check continuity between E-02-6 and E-08-30(4)
Check continuity between E-02-6 and E-08-30(4)
Continuity
Continuity
No
No
continuity
continuity
Gate power
Gate power
(11) D
(11) D
isconnect connec
isconnect connec
tor E-01
tor E-01
of logic unit
of logic unit
Check continuity between E-01-5 and E-08-10(9)
Check continuity between E-01-5 and E-08-10(9)
Check continuity between E-01-6 and E-08-25(12)
Check continuity between E-01-6 and E-08-25(12)
supply
supply
CA
CA
N
N
(2) Ch
(2) Ch
eck E
eck E
PS c
PS c
ontroller
ontroller
and motor for cable
and motor for cable
looseness and improper contact
looseness and improper contact
Normal
Abnormal
Normal
Abnormal
(16) Measure
(16) Measure
voltage between
voltage between
E-08-10(9) and
E-08-10(9) and
E-08-25(12)
E-08-25(12)
Con
Con
firm valu
firm valu
e is
e is
12 ±
12 ±
1 V
1 V
Содержание FB13PNT
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Страница 86: ...1 73 1 73 Fig 5 Fig 5 500969 500969...
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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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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...