Nissan Leaf. Manual — part 572
EVC-312
< DTC/CIRCUIT DIAGNOSIS >
P31C5, P31C6 VCM
P31C5, P31C6 VCM
DTC Logic
INFOID:0000000010120781
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. Turn power switch ON and wait at least 10 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-312, "Diagnosis Procedure"
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. 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.
2. Turn power switch ON and wait at least 60 seconds.
3. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-312, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120782
1.
CHECK VCM-1
With CONSULT
1. Erase DTC.
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. Disconnect 12V battery negative terminal and wait at least 1 minute. Refer to
.
4. Reconnect 12V battery negative terminal.
5. Turn power switch ON and wait at least 5 minutes.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P31C5
VCM
(VCM)
VCM malfunction is detected
VCM
P31C6
P31C5, P31C6 VCM
EVC-313
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
6. Check DTC.
Is DTC “P31C5” or P31C6” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK VCM-2
With CONSULT
1. 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.
2. Turn power switch ON and wait at least 60 seconds.
3. Check DTC.
Is DTC “P31C5” or P31C6” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
EVC-314
< DTC/CIRCUIT DIAGNOSIS >
P31C7 VCM
P31C7 VCM
DTC Logic
INFOID:0000000010120783
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. Turn power switch ON and wait at least 10 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-314, "Diagnosis Procedure"
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. Set timer charge start time to 5 minutes later.
2. Turn power switch OFF.
3. Connect EVSE (With AC power input) and wait until battery charge starts.
4. Wait at least 10 minutes after starting timer charge.
5. Turn the power switch ON while charging.
6. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-314, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120784
1.
CHECK VCM
With CONSULT
1. Erase DTC.
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. Disconnect 12V battery negative terminal and wait at least 1 minute. Refer to
.
4. Reconnect 12V battery negative terminal.
5. Turn power switch ON and wait at least 6 minutes.
6. Check DTC.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P31C7
VCM
(VCM)
VCM malfunction is detected
VCM
P31C7 VCM
EVC-315
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
Is DTC “P31C7” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> GO TO 2.
2.
PERFORM CONFIRMATION PROCEDURE AGAIN
With CONSULT
Perform confirmation procedure again. Refer to
.
Is DTC “P31C7” detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
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