Nissan Leaf. Instruction — part 568
EVC-296
< DTC/CIRCUIT DIAGNOSIS >
P3196, P31A1, P31AE EV SYSTEM CAN COMMUNICATION
With CONSULT
1. Replace PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installation"
2. Perform DTC confirmation procedure again. Refer to
Is DTC P3196, P31A1, or P31AE detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
P3197, P31A2, P31AD EV SYSTEM CAN COMMUNICATION
EVC-297
< DTC/CIRCUIT DIAGNOSIS >
D
E
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EVC
N
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P3197, P31A2, P31AD EV SYSTEM CAN COMMUNICATION
DTC Logic
INFOID:0000000010120765
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-297, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120766
1.
CHECK SELF-DIAGNOSTIC RESULT IN ELECTRIC SHIFT CONTROL MODULE
With CONSULT
Check self-diagnostic result in “SHIFT”.
Are any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
PERFORM TROUBLE DIAGNOSIS FOR CAN COMMUNICATION
Perform trouble diagnosis for CAN communication. Refer to
LAN-17, "Trouble Diagnosis Flow Chart"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Erase DTC.
2. Perform DTC confirmation procedure again. Refer to
Is DTC P3197, P31A2, or P31AD detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P3197
COMMUNICATION ERROR
(Communication error)
When VCM detects an error signal that is received from electric
shift control module via CAN communication
• CAN communication
• Electric shift control
module (built in to VCM)
• VCM
P31A2
P31AD
EVC-298
< DTC/CIRCUIT DIAGNOSIS >
P31AF, P31B3 EV SYSTEM CAN COMMUNICATION
P31AF, P31B3 EV SYSTEM CAN COMMUNICATION
DTC Logic
INFOID:0000000010120767
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-298, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120768
1.
PERFORM TROUBLE DIAGNOSIS FOR CAN COMMUNICATION
Perform trouble diagnosis for CAN communication. Refer to
LAN-17, "Trouble Diagnosis Flow Chart"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK SELF-DIAGNOSTIC RESULT IN VCM
With CONSULT
Check self-diagnostic result in “EV/HEV”.
Is any EV system CAN error (U1000 excluded) other than DTC P31AF and P31B3 detected?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
REPLACE VCM
With CONSULT
1. Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
2. Perform DTC confirmation procedure again. Refer to
Is DTC P31AF or P31B3 detected again?
YES
>> Replace A/C auto amp. Refer to
HAC-187, "Removal and Installation"
(with heat pump),
347, "Removal and Installation"
(without heat pump).
NO
>> INSPECTION END
4.
REPLACE A/C AUTO AMP.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P31AF
COMMUNICATION ERROR
(Communication error)
When VCM detects an error signal that is received from A/C auto
amp. via CAN communication
• CAN communication
• A/C auto amp.
• VCM
P31B3
P31AF, P31B3 EV SYSTEM CAN COMMUNICATION
EVC-299
< DTC/CIRCUIT DIAGNOSIS >
D
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EVC
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With CONSULT
1. Replace A/C auto amp. Refer to
HAC-187, "Removal and Installation"
(with heat pump),
2. Perform DTC confirmation procedure again. Refer to
Is DTC P31AF or P31B3 detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
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