Nissan Leaf. Manual — part 437
SYSTEM
EVB-31
< SYSTEM DESCRIPTION >
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: Vehicle front
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EVB-32
< SYSTEM DESCRIPTION >
HANDLING PRECAUTION
HANDLING PRECAUTION
EV Battery System
INFOID:0000000010121042
• To improve the Li-ion battery life, never perform quick charge heavily.
• Use the method of nighttime normal charge or timer-controlled charge.
• Never perform rapid acceleration/deceleration.
• Never place EV battery in an area exposed to direct sunlight or under high temperature conditions.
PRECAUTIONS FOR STORAGE OF THE LI-ION BATTERY
• Apply insulating tape to the service plug and high voltage harness connector, and protect the terminals so
that nothing contacts them.
• Store in a well-ventilated location that is not exposed to direct sunlight.
(Storing outdoors or unprotected is prohibited.)
• Never set directly on the floor.
• Lay an anti-static rubber sheet underneath the battery.
• Never invert the battery.
• Never stack batteries.
• Cover with an anti-static cover sheet.
• Put a caution display stating "CAUTION! HIGH VOLTAGE" on the insulated cover sheet.
• Put identification display showing the name of person in charge on the insulated cover sheet.
• Never allow water to contact the battery.
• Prevent other objects from falling onto the battery.
DIAGNOSIS SYSTEM (LBC)
EVB-33
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (LBC)
CONSULT Function
INFOID:0000000010121043
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with Li-ion battery controller (LBC).
*: The following diagnosis information is cleared when the VCM memory is erased.
• Diagnostic trouble codes
• Freeze frame data
ECU IDENTIFICATION
Part number of LBC can be checked.
SELF-DIAGNOSTIC RESULTS
Self Diagnostic Item
Regarding items of DTC, refer to
.
How to Erase DTC
1. Select “HV BAT”with CONSULT.
2. “SELF-DIAGNOSTIC RESULTS”.
3. Touch “ERASE”. (DTC in LBC will be erased.)
FREEZE FRAME DATA (FFD)
The following vehicle status is recorded when DTC is detected and is displayed on CONSULT.
DATA MONITOR
NOTE:
Item
Function
ECU Identification
LBC parts number can be read.
Self-diagnostic results
Self-diagnostic results and freeze frame data can be read and erased quickly.*
Data Monitor
Input/Output data in LBC can be read.
Active Test
Activates the actuator via LBC.
Work Support
This mode enables a technician to adjust some devices faster and more accurately by following the in-
dications on the CONSULT.
CAN Diagnosis
Displays the CAN diagnosis results.
CAN Diagnosis Support Mon-
itor
Displays the CAN communication status.
Monitored item (Unit)
Remarks
DTC
Displays the DTC which caused FFD memory
BATT ELECTRIC CURRENT
A
Displays the Li-ion battery current value
12V BATTERY VOLTAGE
mV
Displays 12V battery power supply voltage
IR SEN SHORT PULSE
mV
Displays the maximum to minimum difference of voltage magnitude of the on-
board isolation resistance monitoring system
SERVICE PLUG INTERLOCK
OPEN /
CLOSE
Displays the OPEN/CLOSE state of the service plug
CELL VOLTAGE 01 - 96
mV
Displays each cell voltage
TOTAL BATTERY VOLTAGE
V
Displays the total voltage of the Li-ion battery
BATTERY TEMPERATURE 1
°C
Displays the temperature calculated with a signal voltage from battery temper-
ature 1
BATTERY TEMPERATURE 2
°C
Displays the temperature calculated with a signal voltage from battery temper-
ature 2
BATTERY TEMPERATURE 4
°C
Displays the temperature calculated with a signal voltage from battery temper-
ature 4
EVB-34
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (LBC)
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
ACTIVE TEST
WORK SUPPORT
Monitored item
Unit
Remark
BATT ELECTRIC CURRENT
A
Displays the Li-ion battery current value
12V BATTERY VOLTAGE
mV
Displays 12V battery power supply voltage
IR SEN SHORT PULSE
mV
Displays the maximum to minimum difference of voltage magnitude of the on-
board isolation resistance monitoring system
SERVICE PLUG INTERLOCK
OPEN /
CLOSE
Displays the OPEN/CLOSE state of the service plug
CELL VOLTAGE 01 - 96
mV
Displays each cell voltage
TOTAL BATTERY VOLTAGE
V
Displays the total voltage of the Li-ion battery
MAXIMUM CELL VOLTAGE
mV
Displays the maximum cell voltage value
MINIMUM CELL VOLTAGE
mV
Displays the minimum cell voltage value
BATTERY TEMPERATURE 1
°C
Displays the temperature calculated with a signal voltage from battery temper-
ature 1
BATTERY TEMPERATURE 2
°C
Displays the temperature calculated with a signal voltage from battery temper-
ature 2
BATTERY TEMPERATURE 4
°C
Displays the temperature calculated with a signal voltage from battery temper-
ature 4
Test item
Operation
item
Operation status
HEATER RELAY UNIT
On
Turns ON the relay built into the heater relay unit to supply high voltage power to the Li-ion
battery heater.
Off
Turns OFF the relay built into the heater relay unit to stop high voltage power supply to the
Li-ion battery heater.
Work item
Description
Usage
SAVE BATTERY INFORMATION
DATA
Data saved in LBC is stored in CONSULT.
When Li-ion battery and LBC are
replaced.
WRITE BATTERY INFORMA-
TION DATA
The CONSULT-stored data can be written in LBC.
When Li-ion battery and LBC are
replaced.
CELL VOLTAGE LOSS INSPEC-
TION
This inspection identifies a cell of which cell voltage is on
the decrease. If identified, this type of cell may be judged as
an abnormal cell, unless it is replaced.
When checking voltage of all
cells.
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