Nissan Leaf. Manual — part 468
P33EB TEMPERATURE SENSOR
EVB-155
< DTC/CIRCUIT DIAGNOSIS >
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Component Inspection
INFOID:0000000010121156
1.
CHECK BATTERY TEMPERATURE SENSOR
1. Remove battery temperature sensor. Refer to
EVB-222, "FRONT MODULE STACK : Exploded View"
(Front module stack) or
EVB-238, "REAR MODULE STACK : Exploded View"
(Rear module stack).
2. Check resistance between battery temperature sensor terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery temperature sensor.
Battery temperature sensor
Terminals
Condition
Resistance (k
Ω)
1
1
5
Temperature
°C (°F)
10 (50)
Approx. 7.4
2
4
3
25 (77)
Approx. 4.0
4
2
1
40 (104)
Approx. 2.3
EVB-156
< DTC/CIRCUIT DIAGNOSIS >
P33ED BATTERY PARALLEL DIAGNOSIS
P33ED BATTERY PARALLEL DIAGNOSIS
DTC Logic
INFOID:0000000010121157
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK LI-ION BATTERY AVAILABLE CHARGE GAUGE
Check the indication of the Li-ion battery available charge gauge.
NOTE:
Check 12 segments for lighting status.
Is the lighting status 1 Segment or none?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
DISCHARGE OF LI-ION BATTERY
1. Set the vehicle to READY.
2. Set the vehicle, according to the following conditions.
3. Let the Li-ion battery discharge until the Li-ion battery available charge gauge shows segment 1 or below.
>> GO TO 3.
3.
CHARGE OF LI-ION BATTERY
1. Charge the Li-ion battery by normal charge until the level reaches full charge.
2. After the completion of normal charge, check that the indication of the Li-ion battery available charge
gauge shows 12 segments.
>> GO TO 4.
4.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Select “Self Diagnostic Result” of “HV BAT”.
3. Check DTC.
Is P33ED detected?
YES
>> Refer to
EVB-156, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121158
1.
CHECK DATA MONITOR OR FREEZE FRAME DATA (FFD)
With CONSULT
1. Select “DATA MONITOR” or “FFD”.
2. Check to see if there is a cell voltage which largely differ from the others.
Is there any abnormal cell?
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P33ED
BATTERY PARALLEL DIAGNOSIS
When a sudden voltage fluctuation is detected in module.
Module
A/C set temperature
: Full hot
A/C fan speed
: Maximum speed
A/C air outlet
:
Defroster
Headlamp
: High beam ON
Door glass
: Full open
P33ED BATTERY PARALLEL DIAGNOSIS
EVB-157
< DTC/CIRCUIT DIAGNOSIS >
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YES
>> Replace corresponding Module. Refer to
EVB-222, "FRONT MODULE STACK : Exploded View"
NO
>> GO TO 2.
2.
DTC CONFIRMATION PROCEDURE OPERATION
1. If abnormal cell is not identified, perform DTC confirmation procedure. Refer to
2. Check cell voltage again using “DATA MONITOR” or “FFD” to identify malfunctioning cell.
>> Replace corresponding Module. Refer to
EVB-158
< DTC/CIRCUIT DIAGNOSIS >
P33EE BATTERY HEATER CONTROL SYSTEM
P33EE BATTERY HEATER CONTROL SYSTEM
DTC Logic
INFOID:0000000010121159
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010121160
DANGER:
Since hybrid vehicles and electric vehicles contain a high voltage battery, there is the risk of
electric shock, electric leakage, or similar accidents if the high voltage component and vehicle are
handled incorrectly. Be sure to follow the correct work procedures when performing inspection and
maintenance.
WARNING:
• Be sure to remove the service plug in order to disconnect the high voltage circuits before perform-
ing inspection or maintenance of high voltage system harnesses and parts.
• The removed service plug must always be carried in a pocket of the responsible worker or placed in
the tool box during the procedure to prevent the plug from being connected by mistake.
• Be sure to wear insulating protective equipment consisting of glove, shoes, face shield and glasses
before beginning work on the high voltage system.
• Never allow workers other than the responsible person to touch the vehicle containing high voltage
parts. To keep others from touching the high voltage parts, these parts must be covered with an insu-
lating sheet except when using them.
• Refer to
EVB-7, "High Voltage Precautions"
.
CAUTION:
Never bring the vehicle into the READY status with the service plug removed unless otherwise
instructed in the Service Manual. A malfunction may occur if this is not observed.
1.
PRECONDITIONING
WARNING:
Disconnect the high voltage. Refer to
GI-33, "How to Disconnect High Voltage"
1. Remove Li-ion battery. Refer to
EVB-181, "Removal and Installation"
2. Remove battery pack upper case. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal and
.
>> GO TO 2.
2.
CHECK INSTALLATION CONDITION OF LI-ION BATTERY HEATER
Check the main body of Li-ion battery heater for installation condition.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Tighten the mounting nut of the Li-ion battery heater to the specified torque. Refer to
"LI-ION BATTERY HEATER : Exploded view"
.
3.
CHECK CONNECTION STATUS OF LI-ION BATTERY HEATER CONNECTOR
Check the connection status of the Li-ion battery heater connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Restore the connection status of the Li-ion battery heater connector.
4.
CHECK RESISTANCE OF LI-ION BATTERY HEATER
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P33EE
BATTERY HEATER CON-
TROL SYSTEM
Under extremely low temperatures that Li-ion battery heater
activates, Li-ion battery controller judges that the temperature
of Li-ion battery is still low after a lapse of specified time.
• Li-ion battery controller
• Heater relay unit
• Li-ion battery heater
• Harness or connector
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