Nissan Leaf. Manual — part 553
EVC-236
< DTC/CIRCUIT DIAGNOSIS >
P312B EV SYSTEM RESTART ERROR
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 charge and wait at least 60 seconds.
5. Turn power switch ON.
6. Stop quick charge and wait at least 60 seconds.
7. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-236, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120690
1.
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 2.
2.
PERFORM SELF-DIAGNOSIS OF PDM (POWER DELIVERY MODULE)
Perform self-diagnosis of PDM (Power Delivery Module).
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
1. Erase DTC.
2. Perform DTC confirmation procedure again. Refer to
Is DTC “P312B” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
P312C, P3130 TRACTION MOTOR INVERTER CONDENSER DISCHARGE ER-
ROR
EVC-237
< DTC/CIRCUIT DIAGNOSIS >
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P312C, P3130 TRACTION MOTOR INVERTER CONDENSER DISCHARGE
ERROR
DTC Logic
INFOID:0000000010120691
DTC DETECTION LOGIC
NOTE:
If DTC P312C or P3130 is displayed with DTC P0AA0 or P0AA1, perform diagnosis for DTC P0AA0 or
P0AA1.
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. Set the vehicle to READY and perform test drive.
2. 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.
3. Turn power switch ON and wait at least 1 minutes.
4. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-237, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120692
1.
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 2.
2.
PERFORM CONFIRMATION PROCEDURE AGAIN
Perform confirmation procedure again. Refer to
Is DTC “P312C” or “P3130” detected?
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
P312C
INVERTER DISCHARGE ER-
ROR
(Inverter discharge error)
Traction motor inverter voltage is 54 V or more for 14 sec-
onds during stop of READY or charge
• Traction motor inverter
• VCM
P3130
EVC-238
< DTC/CIRCUIT DIAGNOSIS >
P312D QUICK CHARGE ERROR
P312D QUICK CHARGE ERROR
DTC Logic
INFOID:0000000010120693
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. 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 quick charge connector.
3. Start the quick charging and wait at least 2 minutes.
4. Turn power switch ON.
5. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-238, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120694
1.
PERFORM SELF-DIAGNOSIS OF PDM (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 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Erase DTC.
2. Perform DTC confirmation procedure again. Refer to
Is DTC detected?
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
P312D
QUICK CHARGE RELAY
(Quick charge relay)
Immediately before starting quick charge, the quick charg-
er cannot be ready for 60 seconds.
• Harness or connector
• PDM (Power Delivery
Module)
• VCM
P312E READY OFF ERROR
EVC-239
< DTC/CIRCUIT DIAGNOSIS >
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P312E READY OFF ERROR
DTC Logic
INFOID:0000000010120695
DTC DETECTION LOGIC
NOTE:
If DTC P312E is displayed with DTC P317A, P3191, P31A7, or P319C, perform diagnosis for DTC P317A,
P3191, P31A7, or P319C.
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. Set the vehicle to READY.
2. Operate the automatic air conditioning system (A/C switch ON).
3. Turn power switch OFF as automatic air conditioning system ON condition
4. Wait at least 30 seconds.
5. Turn power switch ON.
6. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-239, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120696
1.
PERFORM SELF-DIAGNOSIS OF PDM (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 2.
2.
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)].
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P312E
READY OFF ERROR
(Ready off error)
• During the shutdown from READY, battery current re-
mains 5.5 A or more for 25.5 seconds or more.
• During the shutdown from READY, traction motor invert-
er is not ready for discharge for 25.5 seconds or more.
• Harness or connector
• LBC
• Traction motor inverter
• A/C auto amp.
• PDM (Power Delivery
Module)
• VCM
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