Nissan Leaf. Manual — part 503
EVC-36
< SYSTEM DESCRIPTION >
COMPONENT PARTS
• When Li-ion battery cannot output power normally, a motor torque limit signal is transmitted to VCM.
WARNING/INDICATOR OPERATING CONDITION
For warning/indicator operating condition, refer to
EVC-48, "MOTOR POWER CONTROL : System Descrip-
.
WARNING/INDICATOR CANCEL CONDITION
The traction motor or Li-ion battery returns from the output limiting state.
TIMING CHART
Power limitation warning is displayed in synchronization with the power limitation indicator lamp.
WARNING/INDICATOR (ON INFORMATION DISPLAY) : Shift P Warning
INFOID:0000000010120549
DESIGN/PURPOSE
Shift P warning warns that the driver is getting off the vehicle with the shift position not in P position.
SYNCHRONIZATION WITH MASTER WARNING LAMP
Synchronization is applied.
For master warning lamp, refer to
MWI-31, "MASTER WARNING LAMP : System Description"
.
SYNCHRONIZATION WITH WARNING CHIME
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Symbol
Message
Select P
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COMPONENT PARTS
EVC-37
< SYSTEM DESCRIPTION >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
Synchronization is applied.
For warning chime, refer to
EVC-39, "WARNING CHIME : Shift P Warning Chime"
.
SYSTEM DIAGRAM
SIGNAL PATH
• The electric shift selector sends shift position information to VCM.
• BCM transmits a door switch signal to VCM.
• VCM judges the vehicle condition according to shift position information and a door switch signal. VCM
transmits a shift P range request display signal to the combination meter if the driver’s door is opened with
the shift position not in P position.
WARNING/INDICATOR OPERATING CONDITION
When all of the following conditions are satisfied:
• Shift position: Except P range
• Front door (driver side): Open
WARNING/INDICATOR CANCEL CONDITION
The indication is cancelled when any of the following conditions are satisfied:
• The shift position is changed to P position.
• The driver’s door is closed.
TIMING CHART
WARNING CHIME
WARNING CHIME : DC/DC Converter Warning Chime
INFOID:0000000010120550
PURPOSE
The DC/DC converter warning chime warns the driver that 12V battery voltage is low.
SYNCHRONIZATION WITH WARNING LAMP/INDICATOR LAMP
Not applicable
SYNCHRONIZATION WITH WARNING/INDICATOR (INFORMATION DISPLAY)
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EVC-38
< SYSTEM DESCRIPTION >
COMPONENT PARTS
Synchronization is applied.
For information display, refer to
EVC-32, "WARNING/INDICATOR (ON INFORMATION DISPLAY) : DC/DC
.
SYSTEM DIAGRAM
SIGNAL PATH
• VCM monitors 12V battery voltage, and if the voltage drops, then VCM transmits a DC/DC converter warning
request signal to the combination meter to operate a DC/DC converter warning chime.
• When VCM receives a P position signal from the electric shift selector, the operation of DC/DC converter
warning chime is cancelled.
WARNING OPERATING CONDITION
When all of the following conditions are satisfied:
• Shift position: Except P range
• 12V battery voltage stays low (approximately 10 – 12 V or less)
*
for a few consecutive seconds.
*: Threshold voltage depends on vehicle speeds.
NOTE:
When 12V battery voltage drops sharply while in READY state, the READY state is also cancelled.
WARNING CANCEL CONDITION
When any of the following conditions are satisfied:
• Shift position: P range
• The 12V battery voltage returns to approximately 12.5 V or more.
TIMING CHART
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COMPONENT PARTS
EVC-39
< SYSTEM DESCRIPTION >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
WARNING CHIME : Power Switch Reminder Chime
INFOID:0000000010120551
PURPOSE
The power switch reminder chime warns the driver that the driver’s door is opened with power switch ON or in
READY state.
SYNCHRONIZATION WITH WARNING LAMP/INDICATOR LAMP
Not applicable
SYNCHRONIZATION WITH WARNING/INDICATOR (INFORMATION DISPLAY)
Synchronization is applied.
For information display, refer to
MWI-35, "INFORMATION DISPLAY : System Description"
.
SYSTEM DIAGRAM
SIGNAL PATH
• BCM transmits a door switch signal to VCM.
• VCM judges the vehicle condition according to a door switch signal and power supply condition. VCM trans-
mits a power switch reminder request signal to the combination meter if the driver’s door is opened with the
power switch ON or in READY state.
WARNING OPERATING CONDITION
When all of the following conditions are satisfied:
• Power switch: ON or READY
• Door switch: ON (Door is open)
WARNING CANCEL CONDITION
When any of the following conditions are satisfied:
• Power switch: Except ON or READY
• Door switch: OFF (Door is closed)
TIMING CHART
WARNING CHIME : Shift P Warning Chime
INFOID:0000000010120552
PURPOSE
The shift P warning chime warns that the drive is getting off the vehicle with the shift position not in P position.
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