Nissan Leaf. Instruction — part 561
EVC-268
< DTC/CIRCUIT DIAGNOSIS >
P3177 ECU ACTIVATION 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 normal charge connector (with AC power input) and wait at least 200 seconds.
CAUTION:
When performing the DTC Confirmation Procedure before Diagnosis Procedure, use the EVSE
used at the occurrence of malfunction.
4. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-269, "TYPE 3 : Diagnosis Procedure"
.
NO-1 (before performing diagnosis procedure)>>Proceed to
EVC-269, "TYPE 3 : Diagnosis Procedure"
NO-2 (after performing diagnosis procedure)>>INSPECTION END
TYPE 1
TYPE 1 : Diagnosis Procedure
INFOID:0000000010120728
1.
CHECK DTC
With CONSULT
Check DTC.
Is any DTC other than P3177 detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSTIC RESULT IN TRACTION MOTOR INVERTER
With CONSULT
Check self-diagnostic result in “MOTOR”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 3.
3.
CHECK SELF-DIAGNOSTIC RESULT IN PDM (POWER DELIVERY MODULE)
With CONSULT
Check self-diagnostic result in “CHARGER/PD MODULE”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
TYPE 2
TYPE 2 : Diagnosis Procedure
INFOID:0000000010120729
1.
CHECK CONDITION
Check and study the quick charger to see that it is within the specification.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Erase DTC. (Quick charger malfunction)
2.
CHECK DTC
With CONSULT
Check DTC.
Is any DTC other than P3177 detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 3.
3.
CHECK SELF-DIAGNOSTIC RESULT IN TRACTION MOTOR INVERTER
With CONSULT
Check self-diagnostic result in “MOTOR”.
P3177 ECU ACTIVATION ERROR
EVC-269
< DTC/CIRCUIT DIAGNOSIS >
D
E
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A
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EVC
N
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P
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 4.
4.
CHECK SELF-DIAGNOSTIC RESULT IN PDM (POWER DELIVERY MODULE)
With CONSULT
Check self-diagnostic result in “CHARGER/PD MODULE”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
TYPE 3
TYPE 3 : Diagnosis Procedure
INFOID:0000000010120730
1.
PERFORM NORMAL CHARGING
1. Erase DTC of all ECU.
2. Turn power switch OFF.
3. 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.
4. Connect normal charge connector (with AC power input) and wait at least 200 seconds.
CAUTION:
• Use an EVSE other than the one used for the previous DTC confirmation procedure.
• Use NISSAN genuine EVSE or an equivalent.
5. Check DTC.
Is DTC P3177 detected again?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK CONDITION
Check adherence to the following conditions at the occurrence of the malfunction:
• No interruption in the indoor power and EVSE.
• Use of the specified EVSE.
• Proper connection of EVSE.
• EVSE LED (FAULT) is not ON or blinking.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
3.
CHECK DTC
With CONSULT
Check DTC.
Is any DTC other than P3177 detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 4.
4.
CHECK SELF-DIAGNOSTIC RESULT IN PDM (POWER DELIVERY MODULE)
With CONSULT
Check self-diagnostic result in “CHARGER/PD MODULE”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 5.
5.
CHECK SELF-DIAGNOSTIC RESULT IN TRACTION MOTOR INVERTER
With CONSULT
EVC-270
< DTC/CIRCUIT DIAGNOSIS >
P3177 ECU ACTIVATION ERROR
Check self-diagnostic result in “MOTOR”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 6.
6.
CHECK CONDITION
Check and study the following items:
• No interruption in the indoor power and EVSE.
• Use of the specified EVSE.
• Proper connection of EVSE.
• PDM (Power Delivery Module) remains cold.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
P3178 ECU ACTIVATION ERROR
EVC-271
< DTC/CIRCUIT DIAGNOSIS >
D
E
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G
H
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J
K
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M
A
B
EVC
N
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P3178 ECU ACTIVATION ERROR
DTC Logic
INFOID:0000000010120731
DTC DETECTION LOGIC
NOTE:
If DTC P3178 is displayed with DTC P0AA0, P317A, P3191, P3193, P319C, P319E, P31A7, or P31A9, per-
form diagnosis for DTC P0AA0, P317A, P3191, P3193, P319C, P319E, P31A7, or P31A9.
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 20 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-271, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120732
1.
CHECK SELF-DIAGNOSTIC RESULT IN VCM
With CONSULT
Perform self-diagnosis of VCM.
Is DTC other than P3178 detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSTIC RESULT IN TRACTION MOTOR INVERTER
With CONSULT
Check self-diagnostic result in “MOTOR”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK SELF-DIAGNOSTIC RESULT IN LI-ION BATTERY CONTROLLER
With CONSULT
Check self-diagnostic result in “HV BAT”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P3178
ECU ACTIVATION ERROR
(ECU activation error)
When EV system starts up, Li-ion battery or traction motor
inverter does not permit EV system activation.
• Harness or connectors
• Li-ion battery system
• Traction motor system
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