Nissan Leaf. Manual — part 557
EVC-252
< DTC/CIRCUIT DIAGNOSIS >
P3141 PDM (POWER DELIVERY MODULE)
1. Replace PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installation"
2. Turn power switch ON.
3. Erase self-diagnostic result.
4. Turn power switch OFF.
5. Perform normal charge at least 15 seconds.
CAUTION:
Never turn the power switch to ON during normal charge.
6. Check that normal charge operates normally.
7. Stop normal charge.
8. Check self-diagnostic result of VCM and PDM (Power Delivery Module).
Is any DTC detected?
YES
[PDM (Power
Delivery Module)].
NO
>> INSPECTION END
P315C CHARGE RELAY
EVC-253
< DTC/CIRCUIT DIAGNOSIS >
D
E
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EVC
N
O
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P315C CHARGE RELAY
DTC Logic
INFOID:0000000010120709
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
INSPECTION START
NOTE:
This DTC is displayed when DTC P31CA or P31CB is detected. If this DTC is displayed, perform trouble diag-
nosis for DTC P31CA or P31CB.
>> Proceed to
EVC-253, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010120710
Perform trouble diagnosis for P31CA or P31CB. Refer to
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P315C
CHARGE RELAY
(Charge relay)
VCM detects DTC P31CA or P31CB.
• Harness or connectors
• Normal charge relay
• PDM (Power Delivery Module)
EVC-254
< DTC/CIRCUIT DIAGNOSIS >
P315E ABS/VDC
P315E ABS/VDC
DTC Logic
INFOID:0000000010120711
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
• Turn power switch OFF and wait at least 90 seconds.
CAUTION:
During this period, never perform vehicle handling such as opening and closing of doors. If some
kind of vehicle handling is performed, then wait another 90 seconds or more from the time of the
vehicle handling.
• Make sure that 12V battery voltage is 11 V or more.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn power switch ON and wait at least 10 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-254, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120712
1.
PERFORM SELF-DIAGNOSIS OF VCM
Perform self-diagnosis of VCM.
Is DTC detected other than P315E?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1. Replace ABS actuator and electric unit (control unit). Refer to
BRC-162, "Removal and Installation"
2. Erase DTC.
3. Perform DTC confirmation procedure. Refer to
.
Is DTC “P315E” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P315E
VDC SYSTEM
(VDC system)
VCM detected torque request signal error for 2 seconds
• ABS actuator and elec-
tric unit (control unit)
• VCM
P316A MOTOR SPEED
EVC-255
< DTC/CIRCUIT DIAGNOSIS >
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EVC
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P316A MOTOR SPEED
DTC Logic
INFOID:0000000010120713
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
• Turn power switch OFF and wait at least 90 seconds.
CAUTION:
During this period, never perform vehicle handling such as opening and closing of doors. If some
kind of vehicle handling is performed, then wait another 90 seconds or more from the time of the
vehicle handling.
• Make sure that 12V battery voltage is 11 V or more.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE-1
With CONSULT
1. Set the vehicle to READY and wait at least 60 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-255, "Diagnosis Procedure"
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. Perform test drive.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-255, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120714
1.
PERFORM SELF-DIAGNOSIS OF TRACTION MOTOR INVERTER
With CONSULT
Perform self-diagnosis of traction motor.
>> Perform diagnosis procedure of detected DTC. Refer to
.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P316A
MOTOR SPEED
(Motor speed)
VCM received motor speed invalid value from traction motor in-
verter.
Traction motor inverter
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