Nissan Leaf. Manual — part 554
EVC-240
< DTC/CIRCUIT DIAGNOSIS >
P312E READY OFF ERROR
NO
>> GO TO 3.
3.
PERFORM SELF-DIAGNOSIS OF TRACTION MOTOR INVERTER
With CONSULT
Perform self-diagnosis of traction motor inverter.
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 4.
4.
PERFORM SELF-DIAGNOSIS OF LBC
With CONSULT
Perform self-diagnosis of LBC.
Is DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 5.
5.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Erase DTC.
2. Perform DTC confirmation procedure again. Refer to
Is DTC “P312E” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
P312F CHARGE OFF ERROR
EVC-241
< DTC/CIRCUIT DIAGNOSIS >
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P312F CHARGE OFF ERROR
DTC Logic
INFOID:0000000010120697
DTC DETECTION LOGIC
NOTE:
If DTC P312F is displayed with DTC P317A, P3191, P3196, P319C, P31A1, P31A7, or P31AE, perform diag-
nosis for DTC P317A, P3191, P3196, P319C, P31A1, P31A7, or P31AE.
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. Check that the charging status indicator is not illuminating, 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.
2. Connect EVSE (with AC power input) and wait at least 60 seconds.
3. Disconnect EVSE and wait at lease 30 seconds.
4. Turn power switch ON.
5. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-242, "Diagnosis Procedure"
NO-1 (with quick charge port)>>GO TO 3.
NO-2 (without quick charge port)>>INSPECTION END
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. Turn power switch OFF.
2. Check that the charging status indicator is not illuminating, 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.
3. Connect quick charge connector.
4. Start quick charging and wait at least 60 seconds.
5. Stop quick charge and wait at lease 30 seconds.
6. Turn power switch ON.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P312F
CHARGE OFF ERROR
(Charge off error)
During the shutdown from charging, 10 seconds pass with-
out satisfying the following conditions:
• Battery current is 5.5 A or less
• Traction motor inverter is ready for discharge.
• Quick charge relay OFF
• Harness or connector
• LBC
• Traction motor inverter
• A/C auto amp.
• PDM (Power Delivery
Module)
• VCM
EVC-242
< DTC/CIRCUIT DIAGNOSIS >
P312F CHARGE OFF ERROR
7. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-242, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120698
1.
PERFORM SELF-DIAGNOSIS OF A/C AUTO AMP.
With CONSULT
Perform self-diagnosis of A/C auto amp.
Is DTC detected?
YES
>> Check the DTC. Refer to
[auto A/C (with heat pump)] or
[auto A/C (without heat pump)].
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS OF POWER DELIVERY MODULE
With CONSULT
Perform self-diagnosis of PDM (Power Delivery Module).
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 3.
3.
PERFORM SELF-DIAGNOSIS OF TRACTION MOTOR INVERTER
With CONSULT
Perform self-diagnosis of traction motor inverter.
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 4.
4.
PERFORM SELF-DIAGNOSIS OF LBC
With CONSULT
Perform self-diagnosis of LBC.
Is DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 5.
5.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Erase DTC.
2. Perform DTC confirmation procedure again. Refer to
Is DTC “P312F” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
P3131 SYSTEM SHUTOFF ERROR
EVC-243
< DTC/CIRCUIT DIAGNOSIS >
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P3131 SYSTEM SHUTOFF ERROR
DTC Logic
INFOID:0000000010120699
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.
NOTE:
Disconnect the CONSULT if it is connected.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE-1
With CONSULT
1. Turn power switch ON.
2. Turn power switch OFF and wait at least 35 minutes.
NOTE:
After the completion of the self shutoff of VCM, the next step can be performed without waiting for 35 min-
utes. To confirm the completion of self shutoff, check that the power supply terminal voltage of the battery
current sensor changes to approximately 0 V.
3. Turn power switch ON.
4. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-244, "Diagnosis Procedure"
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
1. Turn power switch OFF.
2. Check that the charging status indicator is not illuminating, 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.
3. Connect EVSE (with AC power input) and wait at least 10 seconds.
4. Disconnect EVSE and wait at least 35 minutes.
NOTE:
After the completion of the self shutoff of VCM, the next step can be performed without waiting for 35 min-
utes. To confirm the completion of self shutoff, check that the power supply terminal voltage of the battery
current sensor changes to approximately 0 V.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P3131
SYSTEM SHUTOFF TIMEOUT
(System shut-off time out)
When before shutdown, all of the following conditions are
fulfilled for 31 minutes or more.
• VCM does not receive a EV system activation request
signal.
• Either of EV system CAN connection unit is not shut-
down
• Harness or connectors
• LBC
• Traction motor inverter
• PDM (Power Delivery
Module)
• Electric shift control
module (built in to VCM)
• A/C auto amp.
• TCU
• VCM
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