Nissan Leaf. Instruction — part 501
EVC-28
< SYSTEM DESCRIPTION >
COMPONENT PARTS
TIMING CHART
WARNING LAMPS/INDICATOR LAMPS : Power Limitation Indicator Lamp
INFOID:0000000010120543
DESIGN/PURPOSE
The power limitation indicator lamp turns ON when the traction motor
output is limited.
BULB CHECK
For approximately 2 seconds after the power switch is turned ON.
SYNCHRONIZATION WITH MASTER WARNING LAMP
Synchronization is applied.
For master warning lamp, refer to
MWI-31, "MASTER WARNING LAMP : System Description"
.
OPERATION AT COMBINATION METER CAN COMMUNICATION CUT-OFF OR UNUSUAL SIG-
NAL
For actions on CAN communications blackout in the combination meter, refer to
JSCIA0516GB
JSCIA0027ZZ
COMPONENT PARTS
EVC-29
< SYSTEM DESCRIPTION >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
SYSTEM DIAGRAM
SIGNAL PATH
• The traction motor inverter transmits a motor torque limit signal to VCM when the traction motor needs to be
protected.
• LBC transmits a motor torque limit signal to VCM when Li-ion battery cannot output power normally.
• When receiving a motor torque limit signal from the traction motor inverter or LBC, VCM transmits a power
limitation indicator lamp request signal to the combination meter.
• The combination meter turns ON the power limitation indicator lamp according to the signal.
LIGHTING CONDITION
For lighting condition, refer to
EVC-48, "MOTOR POWER CONTROL : System Description"
.
SHUTOFF CONDITION
The traction motor or Li-ion battery returns from the output limiting state.
TIMING CHART
WARNING LAMPS/INDICATOR LAMPS : Ready To Drive Indicator Lamp
INFOID:0000000010120544
DESIGN/PURPOSE
JSCIA0517GB
JSCIA0518GB
EVC-30
< SYSTEM DESCRIPTION >
COMPONENT PARTS
The READY to drive indicator lamp indicates that the vehicle is in a
state allowing vehicle travel.
BULB CHECK
Not applicable
SYNCHRONIZATION WITH MASTER WARNING LAMP
Not applicable
SYSTEM DIAGRAM
SIGNAL PATH
• BCM transmits a READY signal to VCM when the driver operates the power switch to READY.
• The high voltage circuit is connected when VCM receives a READY signal. When the high voltage circuit is
connected normally, LBC and the traction motor inverter transmit a high voltage discharge permit signal to
VCM.
• When receiving a high voltage discharge permit signal, VCM judges that the vehicle is in a drivable condition
and transmits a READY to drive indicator lamp request signal to the combination meter for turning ON the
READY to drive indicator lamp.
LIGHTING CONDITION
• Vehicle: READY state.
SHUTOFF CONDITION
• Power switch: OFF
• When a malfunction occurs in EV system.
BLINKING CONDITION
• When operating from power switch ON to READY
JSCIA0024ZZ
JSCIA0513GB
COMPONENT PARTS
EVC-31
< SYSTEM DESCRIPTION >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
TIMING CHART
WARNING LAMPS/INDICATOR LAMPS : 12V Battery Charge Warning Lamp
INFOID:0000000010120545
DESIGN/PURPOSE
The 12V battery charge warning lamp turns ON when a malfunction
occurs in the DC/DC converter simultaneously with a 12V battery
voltage drop.
BULB CHECK
For approximately 2 seconds after the power switch is turned ON.
SYNCHRONIZATION WITH MASTER WARNING LAMP
Synchronization is applied.
For master warning lamp, refer to
MWI-31, "MASTER WARNING LAMP : System Description"
OPERATION AT COMBINATION METER CAN COMMUNICATION CUT-OFF OR UNUSUAL SIG-
NAL
For actions on CAN communications blackout in the combination meter, refer to
SYSTEM DIAGRAM
JSCIA0514GB
JSCIA0030ZZ
JSCIA0509GB
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