Nissan Leaf. Instruction — part 1230
B2890 DC/DC CONVERTER
VC-87
< DTC/CIRCUIT DIAGNOSIS >
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CAUTION:
Never bring the vehicle into the READY status with the service plug removed unless otherwise
instructed in the Instruction. A malfunction may occur if this is not observed.
1.
CHECK LI-ION BATTERY HIGH-VOLTAGE HARNESS
1. Remove PDM (Power Delivery Module) from the vehicle. Refer to
VC-112, "Removal and Installation"
2. Remove Li-ion battery high-voltage harness from PDM (Power Delivery Module). Refer to
.
3. Check the continuity of Li-ion battery high-voltage harness.
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.
TYPE C
TYPE C : Diagnosis Procedure
INFOID:0000000010121273
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Erase DTC.
2. Turn power switch OFF.
3. Perform DTC confirmation procedure again. Refer to
Is the DTC detected again?
YES
>> Replace PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installation"
NO
>> INSPECTION END
TYPE D
TYPE D : Diagnosis Procedure
INFOID:0000000010121274
1.
CHECK COOLING FAN
Check the cooling fan. Refer to
EVC-367, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK HIGH VOLTAGE COOLING SYSTEM
Inspect coolant level and leakage of high voltage cooling system. Refer to
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.
PDM
(Power Delivery Module)
Li-ion battery
Continuity
Connector
Terminal
Connector
Terminal
H5
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H3
37
Existed
39
38
VC-88
< DTC/CIRCUIT DIAGNOSIS >
B2900, B2902 PDM(POWER DELIVERY MODULE)
B2900, B2902 PDM(POWER DELIVERY MODULE)
DTC Logic
INFOID:0000000010121275
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn power switch ON and wait for 5 seconds or more.
2. Check “Self-diagnosis result” of “CHARGER/PD MODULE”.
Is DTC detected?
YES
>> Proceed to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121276
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Erase DTC.
2. Turn power switch OFF.
3. Perform DTC confirmation procedure again. Refer to
Is the DTC detected again?
YES
>> Replace PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installation"
.
NO
>> INSPECTION END
DTC
CONSULT display
(Malfunction type)
DTC detection condition
Possible causes
B2900
PDM (POWER DELIVERY
MODULE)
(Program memory error)
PDM (Power Delivery Module) internal ROM malfunction
PDM (Power Delivery Module)
PDM (POWER DELIVERY
MODULE)
(Data memory error)
PDM (Power Delivery Module) internal RAM malfunction
B2902
PDM (POWER DELIVERY
MODULE)
(Memory error)
• PDM (Power Delivery Module) internal EEPROM mal-
function
• I2C communication malfunction (EEPROM control sec-
tion)
PDM (POWER DELIVERY
MODULE)
(Component internal mal-
function)
I2C communication malfunction (EEPROM control section)
B2980 QUICK CHARGE PORT
VC-89
< DTC/CIRCUIT DIAGNOSIS >
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B2980 QUICK CHARGE PORT
Description
INFOID:0000000010121277
The quick charge port contains a temperature sensor, and the quick charge port temperature signals is sent as
two lines of voltage to the PDM (Power Delivery Module).
DTC Logic
INFOID:0000000010121278
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:0000000010121279
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 QUICK CHARGE PORT CONDITION
Check for any adhering foreign substances, cracking or damage on the quick charge port. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Clean or replace the quick charge port. Refer to
VC-128, "Removal and Installation"
.
3.
CHECK QUICK CHARGE PORT HARNESS CONNECTOR
1. Turn power switch OFF.
DTC
CONSULT display
(Malfunction type)
DTC detection condition
Possible causes
B2980
QUICK CHARGE PORT
TEMP
(Signal stuck high)
• During quick charging, the signal voltage of
the quick charge port temperature sensor is
4.85 V or more continuously for 3 seconds or
more.
• During quick charging, the signal voltage of
the quick charge port temperature sensor is
less than 0.15 V continuously for 3 seconds or
more.
• Harness and connector
(Quick charge port circuit is open
or shorted.)
• Quick charge port
• Quick charger (connector)
QUICK CHARGE PORT
TEMP
(Component or system
over temperature)
During quick charging, the quick charge port
temperature is 90
°C or more continuously for 3
seconds or more.
VC-90
< DTC/CIRCUIT DIAGNOSIS >
B2980 QUICK CHARGE PORT
2. Disconnect quick charge port harness connector.
3. Check quick charge port harness connector. (E7). Refer to
GI-50, "How to Check Terminal"
4. Check contact pressure of quick charge port harness connector (E7). Refer to
.
5. Check the waterproof condition of quick charge port harness connector (E7). Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK QUICK CHARGE PORT
Check the quick charge port. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace quick charge port. Refer to
VC-128, "Removal and Installation"
.
5.
CHECK QUICK CHARGE PORT TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect PDM (Power Delivery Module) harness connector .
NOTE:
Loosen the PDM (Power Delivery Module) harness connector by
rotating it counterclockwise and remove it.
2. Check the continuity between PDM (Power Delivery Module)
harness connector and quick charge port harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK QUICK CHARGE PORT TEMPERATURE SENSOR GROUND CIRCUIT
Check the continuity between quick charge port harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK 12V BATTERY NEGATIVE CABLE ON PDM (POWER DELIVERY MODULE) SIDE (1)
: Vehicle front
PDM
(Power Delivery Module)
Quick charge port
Continuity
Connector
Terminal
Connector
Terminal
F23
26
E7
9
Existed
25
10
JSCIA0693ZZ
+
−
Continuity
Quick charge port
Connector
Terminal
E7
5
Ground
Existed
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