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CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
(11) Remove pump inverter DSP card cover, then check
(11) Remove pump inverter DSP card cover, then check
flat cabl
flat
Power supply
Power supply
(12) D
(12)
Disconnect c
isconnect
Check continuity between E-01-3 and E-05-17(10)
Check continuity between E-01-3 and E-05-17(10)
Check continuity between E-01-6 and E-05-20(12)
Check continuity between E-01-6 and E-05-20(12)
(14)
(14) Dis
Disconn
connect connec
Check continuity between E-02-5 and E-05-3(3)
Check continuity between E-02-5 and E-05-3(3)
Check continuity between E-02-6 and E-05-4(4)
Check continuity between E-02-6 and E-05-4(4)
Check continuity between E-05-14 and E-05-15
Check continuity between E-05-14 and E-05-15
(15) Connect connector E-01, then turn on power again
(15) Connect connector E-01, then turn on power again
(17) Measure voltage between E-05-18(11) and
(17) Measure voltage between E-05-18(11) and
E-05-20(12)
E-05-20(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) D
(21)
Disco
isconnect battery
dischargin
disc
(22) Replace DSP card of
(22) Replace DSP card of
pump inverter
pump inverter
(24) Disconnect battery plug, then perform inverter
(24) Disconnect battery plug, then perform inverter
discharging work
discharging work
(25) Replace pump inverter (DSP card is normal)
(25) Replace pump inverter (DSP card is normal)
Thermal
Thermal
cable
e
looseness or
looseness or
wire break
wire
breakage
age
Normal
Normal
Abnormal
Abnormal
connector E-05
onnector E-05
of pump inverter
of pump inverter
Continuity
Continuity
No
No
continuity
continuity
CA
CAN
N
ect
connector E-02
tor E-02
of logic unit
of logic unit
Continuity
Continuity
No
No
continuity
continuity
value is
alue is
8 ±
8 ±
2V
2V
Normal
Normal
Abnormal
Abnormal
"E7"
"E7"
Not
Not
nnect battery
plug, then per
plug, then
perform
form
harging
g
work
work
(23) Connect connector
(23) Connect connector
securely
securely
If fault remains
If fault remains
(13) Secure harness if loose
(13) Secure harness if loose
Replace inverter if wire breaks
Replace inverter if wire breaks
(16) Repair or replace harness
(16) Repair or replace harness
(20) Replace power supply card of logic unit
(20) Replace power supply card of logic unit
"E7"
"E7"
Inverter
Inverter
502813
502813
2-19
2-19
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