Nissan Leaf. Instruction — part 1194
P0A8D 14VOLT POWER VOLTAGE
TMS-57
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
TMS
N
O
P
P0A8D 14VOLT POWER VOLTAGE
DTC Logic
INFOID:0000000010120942
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait 10 seconds or more.
2. Check DTC.
Is “P0A8D” detected?
YES
>> Go to
.
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120943
1.
CHECK TRACTION MOTOR INVERTER HARNESS CONNECTOR
1. Power switch OFF.
2. Check the connection conditions of the traction motor inverter harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect the traction motor inverter harness connector.
2. Check the 10A fuse (#74).
3. Power switch ON.
4. Check the voltage between traction motor inverter vehicle side harness connector terminals.
Is the inspection result normal?
YES
>> Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
NO
>> Check the M/C relay. Refer to
EVC-371, "Diagnosis Procedure"
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible causes
P0A8D
14VOLT POWER VOLTAGE
(14 Volt Power Module System
Voltage Low)
The voltage of 12V battery drops to ap-
prox. 8 V or less
• Harness, fuse, or connectors
(Each circuit is open or shorted.)
• Traction motor inverter
• M/C relay
Traction motor inverter
Voltage
Connector
Terminal
+
−
F13
46
47, 49
9 – 16 V
48
TMS-58
< DTC/CIRCUIT DIAGNOSIS >
P0BE5 D-MOTOR A PHASE U CURRENT SEN
P0BE5 D-MOTOR A PHASE U CURRENT SEN
DTC Logic
INFOID:0000000010120944
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Check DTC.
Is “P0BE5” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120945
1.
REPLACE TRACTION MOTOR INVERTER
Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
>> END
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible cause
P0BE5
D-MOTOR A PHASE U CURRENT SEN
(Drive Motor “A” Phase U Current Sen-
sor Circuit)
Detection values differ between the current
sensors (inner sensor 1 and 2) of the tranc-
tion motor U-phase
Traction motor inverter
P0BE6 D-MOTOR A PHASE U CURRENT SEN
TMS-59
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
TMS
N
O
P
P0BE6 D-MOTOR A PHASE U CURRENT SEN
DTC Logic
INFOID:0000000010120946
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Check DTC.
Is “P0BE6” detected?
YES
>> Go to
.
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120947
1.
REPLACE TRACTION MOTOR INVERTER
Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
>> END
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible cause
P0BE6
D-MOTOR A PHASE U CURRENT SEN
(Drive Motor “A” Phase U Current Sen-
sor Circuit Range/Performance)
If the value detected by the traction motor U-
phase current sensor is abnormal
Traction motor inverter
TMS-60
< DTC/CIRCUIT DIAGNOSIS >
P0BE9 D-MOTOR A PHASE V CURRENT SEN
P0BE9 D-MOTOR A PHASE V CURRENT SEN
DTC Logic
INFOID:0000000010120948
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Check DTC.
Is “P0BE9” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120949
1.
REPLACE TRACTION MOTOR INVERTER
Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
>> END
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible cause
P0BE9
D-MOTOR A PHASE V CURRENT SEN
(Drive Motor “A” Phase V Current Sen-
sor Circuit)
Detection values differ between the current
sensors (inner sensor 1 and 2) of the trac-
tion motor V-phase
Traction motor inverter
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