Nissan Leaf. Manual — part 953
MWI
SYSTEM
MWI-15
< SYSTEM DESCRIPTION >
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ARRANGEMENT OF COMBINATION METER
METER SYSTEM : Fail-Safe
INFOID:0000000010546221
FAIL-SAFE
• The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.
Outside air temperature
Displays the outside air temperature.
MWI-29, "OUT-
SIDE AIR TEM-
PERATURE
DISPLAY : Sys-
tem Description"
Warning lamp
Master warning lamps
The master warning lamps turn ON according to the illumination
status of the combination meter warning lamps and indicator
lamps.
MWI-31, "MAS-
TER WARNING
LAMP : System
Description"
Clock
Displays the time.
—
System
Description
Reference
A.
Upper meter
B.
Combination meter
C.
For U.S.A.
D.
For Canada and Mexico
AWNIA3019ZZ
Function
Specifications
Power meter
The display turns OFF by suspending communication.
Li-ion battery temperature gauge
Li-ion battery capacity level gauge
Li-ion battery available charge gauge
Driving range display
The display turns “– – –” by suspending communication.
MWI-16
< SYSTEM DESCRIPTION >
SYSTEM
• The upper meter performs the fail-safe control when a breakdown of communications between the upper
meter and the combination meter occurs.
SPEEDOMETER
SPEEDOMETER : System Description
INFOID:0000000010122390
SYSTEM DIAGRAM
Illumination control
When suspending communication, changes to nighttime mode.
Information display
Odo/trip meter
An indicated value is maintained at communications blackout.
Shift indicator
The display turns OFF by suspending communication.
Li-ion low battery charge warning dis-
play
The display turns ON by suspending communication.
Electric shift warning display
Other than the above
The display turns OFF by suspending communication.
Buzzer
The buzzer turns OFF by suspending communication.
Warning lamp/indicator lamp
ABS warning lamp
The lamp turns ON by suspending communication.
VDC warning lamp
Brake warning lamp
Front fog lamp indicator lamp
Brake system warning lamp
EPS warning lamp
Low battery charge warning lamp
Electric shift waning lamp
TPMS waning lamp
High beam indicator lamp
The lamp turns OFF by suspending communication.
VDC OFF indicator lamp
Tail lamp indicator lamp
READY to drive indicator lamp
12-volt battery charge warning lamp
Power limitation indicator lamp
EV system warning lamp
Function
Specifications
Function
Specifications
Speedometer
The display turns OFF by suspending communication.
Eco indicator
Outside air temperature display
The last result calculated during normal condition is indicated.
Illumination control
When suspending communication, changes to nighttime mode.
Turn signal indicator lamp
The lamp turns OFF by suspending communication.
JSNIA4225GB
MWI
SYSTEM
MWI-17
< SYSTEM DESCRIPTION >
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DESCRIPTION
• ABS actuator and electric unit (control unit) transmits a vehicle speed signal to the combination meter via
CAN communication.
• The combination meter receives the vehicle speed signal from the ABS actuator and electric unit (control
unit) with CAN communication line and transmits it to the upper meter by means of communication line.
• The upper meter indicates the vehicle speed according to the vehicle speed signal received from the combi-
nation meter by means of communication line.
SIGNAL PATH
POWER METER
POWER METER : System Description
INFOID:0000000010122391
SYSTEM DIAGRAM
DESCRIPTION
• The following power levels can be checked on the power meter of the combination meter:
- Current motor power
- Maximum motor output power
- Maximum regenerable power
• VCM sends the signals below to the combination meter via CAN communication.
- Current motor power signal
- Maximum motor output power signal
- Maximum regenerable power signal
• Based on the signals received via CAN communication from VCM, the combination meter displays the
power levels on the power meter.
SIGNAL PATH
Signal name
Signal path
Vehicle speed signal
ABS actuator and electric unit (control unit)
Combination
meter
Upper
meter
JSNIA3650GB
Signal name
Signal path
Current motor power signal
VCM
Combination meter
Maximum motor output power signal
Maximum regenerable power signal
MWI-18
< SYSTEM DESCRIPTION >
SYSTEM
LIST OF POWER METER FUNCTIONS
TIMING CHART
Power meter segments ON/OFF timing
JSNIA3651ZZ
Function
Description
Signal name
1.
Current motor power
Indicates the current motor power or re-
generation power.
Current motor power signal
2.
Maximum motor output power
Indicates the maximum motor power
which can be output at that time.
Maximum motor output power signal
3.
Maximum regeneration power
Indicates the maximum regeneration
power which can be output at that time.
Maximum regenerable power signal
JSNIA3653GB
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