Nissan Leaf. Instruction — part 514
EVC-80
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (VCM)
HV PRE CHG RLY ACTIV
On/Off
X
Displays the pre-charge relay operation status.
• On: pre-charge relay is ON
• Off: pre-charge relay is OFF
HV PRE CHG RLY ACTIV MONI On/Off
X
Displays the status that VCM is operating the pre-
charge relay.
• On: Operation voltage is being output by VCM.
• Off: Operation voltage is not being output by VCM.
Q/CHG RELAY
On/Off
Displays the quick charge relay operation status.
• On: Quick charge relay is ON
• Off: Quick charge relay is OFF
ASCD SET VEHICLE SPEED
km/h or mph
The preset ASCD vehicle speed is displayed
ASCD MAIN SW
On/Off
X
Displays the ASCD MAIN switch operation status.
• On: When the ASCD MAIN switch is operated
• Off: When the ASCD MAIN switch is not operated
ASCD CANCEL SW
On/Off
X
Displays the CANCEL switch operation status.
• On: When the CANCEL switch is operated
• Off: When the CANCEL switch is not operated
RESUME/ACC SW
On/Off
X
Displays the RESUME/ACCELERATE switch opera-
tion status.
• On: When the RESUME/ACCELERATE switch is
operated
• Off: When the RESUME/ACCELERATE switch is
not operated
ASCD SET SW
On/Off
X
Displays the SET/COAST switch operation status.
• On: When the SET/COAST switch is operated
• Off: When the SET/COAST switch is not operated
ASCD BRAKE SW
On/Off
X
Displays the brake pedal position switch operation
status.
• On: The brake pedal is not depressed.
• Off: The brake pedal is depressed.
STOP LAMP SW
On/Off
X
Displays the operation status of the stop lamp switch.
• On: The brake pedal is depressed.
• Off: The brake pedal is not depressed.
ASCD CANCEL (LOW SPEED)
NON/CUT
Indicates the vehicle cruise condition.
• NON: Vehicle speed is maintained at the ASCD set
speed.
• CUT: Vehicle speed decreased to excessively low,
and ASCD operation is cut off.
ASCD CANCEL (SPEED DIFF)
NON/CUT
Indicates the vehicle cruise condition.
• NON: Vehicle speed is maintained at the ASCD set
speed.
• CUT: Vehicle speed decreased to excessively low
compared with the ASCD set speed, and ASCD op-
eration is cut off.
ASCD CRUISE LAMP
On/Off
Indicates [ON/OFF] condition of CRUISE lamp deter-
mined by the VCM according to the input signals.
ASCD SET LAMP
On/Off
Displays the SET indicator operation request status.
• On: The SET indicator is lit.
• Off: No operation request
SL TARGET VEHICLE SPEED
The item is indicated, but not used.
READY COUNT
count
Displays the cumulative READY count from the time
the vehicle is new.
INTEG READY TIME
sec
Displays the cumulative READY time from the time
the vehicle is new.
MONITOR ITEM
Unit
Monitor Item Selection
Description
ECU INPUT
SIGNALS
MAIN SIG-
NALS
DIAGNOSIS SYSTEM (VCM)
EVC-81
< SYSTEM DESCRIPTION >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
*: During 12 V battery automatic charge, remote climate control operation, and deice system operation.
ACTIVE TEST MODE
Test Item
QUICK CHG COUNT
count
Displays the cumulative quick charge count from the
time the vehicle is new.
INTEG Q/CHG TIME
sec
Displays the cumulative quick charge time from the
time the vehicle is new.
NORMAL CHG COUNT
count
Displays the cumulative normal charge count from the
time the vehicle is new.
INTEG N/CHG TIME
sec
Displays the cumulative normal charge time from the
time the vehicle is new.
EV SYS ACT REQ (VCM TIM-
ER)
The item is indicated, but not used.
ASCD VHCL SPD BLINK REQ
BLINK/FIX
Displays the status of vehicle speed indicator blink re-
quest of ASCD.
• BLINK: Blink request
• FIX: No blink request
DIFF WHEEL SPD LRN VAL
—
Displays a leaning value of slip rate calculated from
the rotation difference between front wheel and rear
wheel.
REFRIGERANT PRESS
MPa
X
The refrigerant pressure (determined by the signal
voltage of the refrigerant pressure sensor) is dis-
played.
REGE TORQ LIMIT VAL (INV)
%
Displays a regeneration side motor torque limit value
received from traction motor inverter.
LIGHT CRASH JUDGMENT
—
Displays minor collision detection information re-
ceived from the air bag diagnosis sensor unit.
CHARGE PORT LID OPENER
On/Off
Displays the control status of the charge port lid open-
er controlled by VCM.
• On: Controlled, open
• Off: Inactive
ECO MODE
On/Off
Displays the control status of ECO mode controlled by
VCM.
• On: ECO mode
• Off: Except above
KICK DOWN
The item is indicated, but not used.
MONITOR ITEM
Unit
Monitor Item Selection
Description
ECU INPUT
SIGNALS
MAIN SIG-
NALS
TEST ITEM
CONDITION
JUDGMENT
CHECK ITEM (REMEDY)
PLUG IN INDICA-
TOR
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• VCM
• Combination meter
• CAN communication
CHARGE STAT
INDICATOR 1
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• Harness and connectors
• Bulb and LED
• VCM
CHARGE STAT
INDICATOR 2
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• Harness and connectors
• Bulb and LED
• VCM
CHARGE STAT
INDICATOR 3
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• Harness and connectors
• Bulb and LED
• VCM
EVC-82
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (VCM)
WORK SUPPORT MODE
Work Item
F/S CHG RLY
• POWER ON
• This turns ON and OFF the F/S
CHG relay used by the ACTIVE
TEST.
Check that the F/S CHG relay
makes the operating sound.
• Harness and connectors
• F/S CHG relay
• VCM
REVERSE LAMP
RLY
• POWER ON
• This turns ON and OFF the re-
verse lamp relay used by the AC-
TIVE TEST.
• Check that the reverse lamp relay
makes the operating sound.
• Check that the reverse lamp is
turned ON.
• Harness and connectors
• Bulb and LED
• Reverse lamp relay
• VCM
DC/DC CONV
DUTY
• READY ON
• This changes the duty ratio used
by the ACTIVE TEST.
Check that the 12V battery power
supply voltage changes.
• DC/DC converter
• VCM
• CAN communication
VOLTAGE CON-
TROL
• POWER ON
• This changes the voltage used by
the ACTIVE TEST.
Check that the 12V battery power
supply voltage changes.
• DC/DC converter
• VCM
• CAN communication
READY INDICA-
TOR
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• VCM
• Combination meter
• CAN communication
POWER LIMITA-
TION INDICA-
TOR
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• VCM
• Combination meter
• CAN communication
EV SYSTEM W/L
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• VCM
• Combination meter
• CAN communication
12V BATTERY
CHARGE W/L
• POWER ON
• This turns ON and OFF the indi-
cator used by the ACTIVE TEST.
This confirms the indicator is ON/
OFF.
• VCM
• Combination meter
• CAN communication
ECO INDICATOR
• POWER ON
• This changes the display value
used by the ACTIVE TEST.
Confirm that the ECO indicator dis-
play in the upper meter changes.
• VCM
• Combination meter
• Upper meter
• CAN communication
ECO TREE
• POWER ON
• This changes the display value
used by the ACTIVE TEST.
Confirm that the ECO tree display in
the upper meter changes.
• VCM
• Combination meter
• Upper meter
• CAN communication
WATER PUMP 1
• POWER ON
• This turns changes the duty ratio
used by the ACTIVE TEST.
Check that the water pump opera-
tion speed changes.
• Harness and connectors
• Water pump
• VCM
COOLING FAN
• POWER ON
• This turns changes the duty ratio
used by the ACTIVE TEST.
Check that the cooling fan operation
speed changes.
• Harness and connectors
• Cooling fan system
• VCM
TEST ITEM
CONDITION
JUDGMENT
CHECK ITEM (REMEDY)
WORK ITEM
CONDITION
USAGE
SAVE DATA FOR CPU REPLACE
In this mode, the data saved in VCM is stored in CONSULT. When VCM is replaced.
WRITE DATA AFTER REPLACE
CPU
In this mode, write data stored by “SAVE DATA FOR CPU
REPLACE” in work support mode to VCM.
When VCM is replaced.
BATTERY GRADUAL CAP LOSS
DATA CLEAR
Li-ion Battery deterioration data stored in VCM is cleared.
Always perform after Li-ion Battery
controller is replaced as new one.
HV BATT J/B DATA CLEAR
System Main Relay cutoff count stored in VCM is cleared.
Always perform after Li-ion Battery
Junction Box is replaced as new
one.
WRITE VIN DATA
VIN is registered in VCM.
When registering VIN in VCM.
SPECIFIC DTC CLEAR
*
Self-diagnosis results of DTC P0AA1 and Freeze Frame
Data are cleared.
When DTC P0AA1 is detected.
DIAGNOSIS SYSTEM (VCM)
EVC-83
< SYSTEM DESCRIPTION >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
*: When this is performed, all self-diagnosis results in VCM and Freeze Frame Data are cleared.
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