Nissan Leaf. Instruction — part 1226
B2814 QUICK CHARGE RELAY
VC-71
< DTC/CIRCUIT DIAGNOSIS >
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B2814 QUICK CHARGE RELAY
DTC Logic
INFOID:0000000010121254
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Perform quick charging for 10 seconds or more.
2. Turn power switch ON.
3. Check “Self-diagnosis result” of “CHARGER/PD MODULE”.
Is DTC detected?
YES
>> Proceed to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121255
1.
CHECK 12V BATTERY NEGATIVE CABLE ON PDM (POWER DELIVERY MODULE) SIDE (1)
1. Turn power switch OFF.
2. Check the installation of 12V battery negative cable on PDM
(Power Delivery Module) side .
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace 12V battery negative cable on PDM (Power Delivery Module) side connection.
2.
CHECK 12V BATTERY NEGATIVE CABLE ON PDM (POWER DELIVERY MODULE) SIDE (2)
Check the continuity between 12V battery negative cable on PDM (Power Delivery Module) side and ground.
Is the inspection result normal?
DTC
CONSULT display
(Malfunction type)
DTC detection condition
Possible causes
B2814
QUICK CHARGE RELAY
(Signal stuck high)
• When the quick charge relay is ON, the termi-
nal voltage in the quick charge relay drive cir-
cuit is 4.69 V or more continually for 3 seconds
or more.
• When the quick charge relay is ON, the high
voltage circuit voltage that is input from the
quick charge sensor is 60 V or more continu-
ally for 1 second or more.
• Harness and connector
[PDM (Power Delivery Module)
ground circuit is open.]
• PDM (Power Delivery Module)
: 12V battery positive cable
ALCIA0137ZZ
+
−
Continuity
PDM
(Power Delivery Module)
Connector
Terminal
F32
51
Ground
Existed
VC-72
< DTC/CIRCUIT DIAGNOSIS >
B2814 QUICK CHARGE RELAY
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK INTERMITTENT INCIDENT
Check the intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
B2820 QUICK CHARGER
VC-73
< DTC/CIRCUIT DIAGNOSIS >
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B2820 QUICK CHARGER
DTC Logic
INFOID:0000000010121256
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Perform quick charging for 10 seconds or more.
2. Turn power switch ON.
3. Check “Self-diagnosis result” of “CHARGER/PD MODULE”.
Is DTC detected?
YES
>> Proceed to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121257
1.
PERFORM SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER
With CONSULT
Perform self-diagnosis for “HV BAT”.
Is any DTC detected?
YES
>> Perform trouble diagnosis for detected DTC. Refer to
NO
>> When this DTC detected, the cause may not be in the vehicle. Therefore after erasing the self-
diagnosis result, charge using a different quick charger than the quick charger which is used when
the malfunction is detected.
DTC
CONSULT display
(Malfunction type)
DTC detection condition
Possible causes
B2820
QUICK CHARGER
( — )
• The quick charger malfunction signal is received from
the quick charger.
• The voltage detected by the quick charger is excessively
higher or lower than the voltage detected by the Li-ion
battery controller.
• The current output from the quick charger is excessively
higher or lower than the command current.
• The current supplied to the PCS is excessively higher or
lower than the current upper limit reading indicated by
the vehicle.
• Quick charger
• Li-ion battery controller
(Voltage sensor system)
VC-74
< DTC/CIRCUIT DIAGNOSIS >
B2830 QUICK CHARGE VOLTAGE SENSOR
B2830 QUICK CHARGE VOLTAGE SENSOR
Description
INFOID:0000000010121258
The quick charge voltage sensor is integrated inside the PDM (Power Delivery Module), and detects the volt-
age at the + side and
− side of the high voltage circuit on the upstream side of the quick charge relay (quick
charge port side). The PDM (Power Delivery Module) monitors the status of the quick charge relay based on
this signal.
DTC Logic
INFOID:0000000010121259
DTC DETECTION LOGIC
CAUTION:
This DTC may be detected when there is a quick charger malfunction. Therefore if this DTC is
detected, check that there are no malfunctions in the quick charger.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Perform quick charging for 30 seconds or more.
2. Turn power switch ON.
3. Check “Self-diagnosis result” of “CHARGER/PD MODULE”.
Is DTC detected?
YES
>> Proceed to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121260
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Turn power switch ON.
2. Erase DTC.
3. Turn power switch OFF.
4. Perform DTC confirmation procedure again by using a quick charger other than the one is used for the
previous DTC confirmation procedure. Refer to
.
Is the DTC detected again?
YES
>> GO TO 2.
NO
>> INSPECTION END (Quick Charger malfunction).
2.
CHECK INTERMITTENT INCIDENT
Check the intermittent incident. Refer to
GI-53, "Intermittent Incident"
DTC
CONSULT display
(Malfunction type)
DTC detection condition
Possible causes
B2830
QUICK CHARGE VOLT-
AGE SENSOR
(Component internal mal-
function)
• Before the start of quick charge, the high voltage circuit
voltage that is sent from the quick charge voltage sensor
during charging is 60 V or more continuously for 0.3 sec-
onds or more.
• During quick charging, the high voltage circuit voltage
that is sent from the quick charge voltage sensor is less
than 60 V continuously for 10 seconds or more.
• Before the start of quick charging, the high voltage circuit
voltage sent from the quick charge voltage sensor is 60
V or more continuously for 1 second or more when the
main relay is OFF.
• After the start of quick charging, the high voltage circuit
voltage sent from the quick charge voltage sensor is 30
V or more continuously for 1 second or more during the
insulation check by the quick charger.
• PDM (Power Delivery Mod-
ule)
• Quick charger
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