Nissan Leaf. Manual — part 1195
P0BEA D-MOTOR A PHASE V CURRENT SEN
TMS-61
< DTC/CIRCUIT DIAGNOSIS >
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P0BEA D-MOTOR A PHASE V CURRENT SEN
DTC Logic
INFOID:0000000010120950
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 “P0BEA” 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:0000000010120951
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
P0BEA
D-MOTOR A PHASE V CURRENT SEN
(Drive Motor “A” Phase V Current Sen-
sor Circuit Range/Performance)
If the value detected by the traction mo-
tor V-phase current sensor is abnormal
Traction motor inverter
TMS-62
< DTC/CIRCUIT DIAGNOSIS >
P0C79 DRIVE MOTOR A INVERTER VOLTAGE
P0C79 DRIVE MOTOR A INVERTER VOLTAGE
DTC Logic
INFOID:0000000010120952
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
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. Set the vehicle to READY and wait for 10 seconds or more.
2. Accelerate to 60 km/h (37 MPH).
3. Stop the vehicle.
4. Check DTC.
Is “P0C79” 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:0000000010120953
DANGER:
Since hybrid vehicles and electric vehicles contain a high voltage battery, there is the risk of
electric shock, electric leakage, or similar accidents if the high voltage component and vehicle are
handled incorrectly. Be sure to follow the correct work procedures when performing inspection and
maintenance.
WARNING:
• Be sure to remove the service plug in order to disconnect the high voltage circuits before perform-
ing inspection or maintenance of high voltage system harnesses and parts.
• The removed service plug must always be carried in a pocket of the responsible worker or placed in
the tool box during the procedure to prevent the plug from being connected by mistake.
• Be sure to wear insulating protective equipment consisting of glove, shoes, face shield and glasses
before beginning work on the high voltage system.
• Never allow workers other than the responsible person to touch the vehicle containing high voltage
parts. To keep others from touching the high voltage parts, these parts must be covered with an insu-
lating sheet except when using them.
• Refer to
TMS-5, "High Voltage Precautions"
.
CAUTION:
Never bring the vehicle into the READY status with the service plug removed unless otherwise
instructed in the Service Manual. A malfunction may occur if this is not observed.
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible causes
P0C79
DRIVE MOTOR A INVERTER VOLTAGE
(Drive Motor “A” Inverter Voltage Too
Hight)
High voltage value is any of the following
conditions:
• Approx. 500 V or more
• More than the traction motor inverter
operable voltage range for 100 ms or
more continuously
• Traction motor inverter
• High voltage harness or con-
nector
• Li-ion battery
• High voltage parts except for
traction motor inverter
P0C79 DRIVE MOTOR A INVERTER VOLTAGE
TMS-63
< DTC/CIRCUIT DIAGNOSIS >
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1.
CHECK DTC HIGH VOLTAGE SYSTEMS
1. Power switch ON and wait 10 seconds or more.
2. Check DTC of the high voltage systems.
Were there any detected DTC related to a high voltage systems other than the traction motor inverter?
YES
>> Check DTC detected item.
NO
>> GO TO 2.
2.
PRECONDITIONING
WARNING:
Disconnect the high voltage. Refer to
GI-33, "How to Disconnect High Voltage"
.
Check voltage in high voltage circuit. (Check that condenser are discharged.)
1. Lift up the vehicle and remove the Li-ion battery under covers. Refer to
2. Disconnect high voltage harness connector and PTC heater harness connector from front side of Li-ion
battery. Refer to
EVB-181, "Removal and Installation"
.
3. Measure voltage between high voltage harness connector terminals and PTC heater harness connector
terminals.
DANGER:
Touching high voltage components without using the appropriate protective equipment will
cause electrocution.
CAUTION:
For voltage measurements, use a tester which can measure to 500 V or higher.
>> GO TO 3.
3.
CHECK HIGH VOLTAGE HARNESS
Check for an open circuit or short circuit between PDM (Power Delivery Module) and Li-ion battery. Refer to
Is the inspection result normal?
YES
>> Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
NO
>> Repair or replace damaged parts.
Standard
: 5 V or less
JPCIA0296ZZ
TMS-64
< DTC/CIRCUIT DIAGNOSIS >
P318E CAN ERROR
P318E CAN ERROR
DTC Logic
INFOID:0000000010120954
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 5 seconds or more.
2. Check DTC.
Is “P318E” 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:0000000010120955
1.
REPLACE VCM
Replace the VCM. Refer to
EVC-423, "Removal and Installation"
>> END
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible cause
P318E
CAN ERROR
(CAN data error)
Traction motor inverter is unable to receive the EV sys-
tem CAN signal from VCM
VCM
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