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CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
(11) Remove right traction inverter DSP card cover, then
(11) Remove right traction inverter DSP card cover, then
check flat cable
check flat cable
Power supply
Power supply
(12) Dis
(12)
Disconn
Check continuity between E-01-3 and E-07-17(10)
Check continuity between E-01-3 and E-07-17(10)
Check continuity between E-01-6 and E-07-20(12)
Check continuity between E-01-6 and E-07-20(12)
(14) Dis
(14)
Disconne
Check continuity between E-02-5 and E-07-3(3)
Check continuity between E-02-5 and E-07-3(3)
Check continuity between E-02-6 and E-07-4(4)
Check continuity between E-02-6 and E-07-4(4)
(
(
15) C
15
)
Con
onne
(17) Measure voltage between E-07-18(11) and
(17) Measure voltage between E-07-18(11) and
E-07-20(12)
E-07-20(12)
Confirm v
Confirm
(18) Disconnect battery plug
(18) Disconnect battery plug
(19) Ensure all connectors are connected.
(19) Ensure all connectors are connected.
Then turn on power again
Then turn on power again
(21)
(21) D
Disc
isconnec
discharging
disc
(22) Replace DSP card of
(22) Replace DSP card of
right traction inverter
right traction inverter
(24) Disconnect battery plug, then perform inverter
(24) Disconnect battery plug, then perform inverter
discharging work
discharging work
(25) Replace right traction inverter
(25) Replace right traction inverter
(DSP card is normal)
(DSP card is normal)
Thermal
Thermal
looseness or
looseness or w
wire breakage
ire breakage
Normal
Normal
connect connec
ect
connector
tor
E-07
E-0
7
of right
of right
Continuity
Continuity
No
No
CAN
CAN
connect connec
ct
connector E-02
tor E-02
of logic unit
of logic unit
Continuity
Continuity
No
No
nec
c
t
t co
conn
nnec
ecto tor E
r
E-0 -01,
1,
th then
en
tu tur
r
n o
n
value is
alue is
8 ±
8 ±
2V
2V
Normal
Normal
"
"
E
E
5
5
"
"
onnect batt
t batt
ery
ery
plug, then
plug, then per
perform
form
harging
wor
work
k
(23) Connect connector
(23) Connect connector
securely
securely
If fault remains
If fault remains
Abnormal
Abnormal
traction
traction inver
inverter
ter
(13) Secure harness if loose
(13) Secure harness if loose
continuity
continuity
continuity
continuity
on p
n
pow
ower
er
ag
agai ain
n
(
(
16) R
16
)
Abnormal
Abnormal
(20) Replace power supply card of logic unit
(20) Replace power supply card of logic unit
N
N
o
o
t
t
"
"
E
E
5
5
"
"
Inverter
Inverter
Replace inverter if wire breaks
Replace inverter if wire breaks
Rep
epai air o
r
or r
r
rep
epla lac
c
e
e h
har arne
nes
s
s
s
502809
502809
2-13
2-13
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