Nissan Leaf. Manual — part 566
EVC-288
< DTC/CIRCUIT DIAGNOSIS >
P3191, P319C, P31A7 EV SYSTEM CAN COMMUNICATION
With CONSULT
1. Replace traction motor inverter. Refer to
TMS-103, "Removal and Installation"
2. Perform DTC confirmation procedure again. Refer to
Is DTC P3191, P319C, or P31A7 detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
P3193, P319E, P31A9 EV SYSTEM CAN COMMUNICATION
EVC-289
< DTC/CIRCUIT DIAGNOSIS >
D
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EVC
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P3193, P319E, P31A9 EV SYSTEM CAN COMMUNICATION
DTC Logic
INFOID:0000000010120757
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-289, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120758
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 P3193, P319E, and P31A9 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 P3193, P319E, or P31A9 detected again?
YES
>> Replace LBC. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Exploded View"
.
NO
>> INSPECTION END
4.
REPLACE LBC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P3193
COMMUNICATION ERROR
(Communication error)
When VCM detects an error signal that is received from LBC via
CAN communication
• CAN communication
• LBC
• VCM
P319E
P31A9
EVC-290
< DTC/CIRCUIT DIAGNOSIS >
P3193, P319E, P31A9 EV SYSTEM CAN COMMUNICATION
With CONSULT
1. Replace LBC. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal and Installation"
.
2. Perform DTC confirmation procedure again. Refer to
Is DTC P3193, P319E, or P31A9 detected again?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> INSPECTION END
P3194, P319F, P31AA CAN COMMUNICATION
EVC-291
< DTC/CIRCUIT DIAGNOSIS >
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P3194, P319F, P31AA CAN COMMUNICATION
DTC Logic
INFOID:0000000010120759
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-291, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120760
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 CAN error (U1000 excluded) other than DTC P3194, P319F, and P31AA 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 P3194, P319F, or P31AA detected again?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-162, "Removal and Installa-
.
NO
>> INSPECTION END
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P3194
COMMUNICATION ERROR
(Communication error)
When VCM detects an error signal that is received from ABS
actuator and electric unit (control unit) via CAN communication
• CAN communication
• ABS actuator and elec-
tric unit (control unit)
• VCM
P319F
P31AA
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