Nissan Leaf. Manual — part 176
SYSTEM
BR-25
< SYSTEM DESCRIPTION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
- For Canada
• The brake system warning lamp warns the driver of malfunction in hill start assist function.
NOTE:
The brake system warning lamp may turn ON simultaneously with the brake warning lamp. For details, refer to
BULB CHECK
Several seconds after power switch is turned ON
SYNCHRONIZATION WITH WARNING BUZZER
YES
For warning buzzer, refer to
SYNCHRONIZATION WITH MASTER WARNING LAMP
Not applicable
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
*: For DTCs that the brake system warning lamp turns ON, refer to
(electrically-driven
intelligent brake unit) or
[ABS actuator and electric unit (control unit)].
SIGNAL PATH
• The electrically-driven intelligent brake unit transmits a brake system warning lamp request signal to the
ABS actuator and electric unit (control unit) via CAN communication when detecting a malfunction in the
electrically-driven intelligent brake unit.
• The ABS actuator and electric unit (control unit) receiving a brake system warning lamp request signal, and
transmits a brake system warning lamp signal to the combination meter via CAN communication.
JPNIA1872ZZ
JSFIA1850GB
BR-26
< SYSTEM DESCRIPTION >
SYSTEM
• The combination meter turns ON the brake system warning lamp when receiving a brake system warning
lamp signal.
• For the relationship between warning lamp and DTC, refer to
.
LIGHTING CONDITION
When any of the condition listed below is satisfied while the power switch ON:
• A malfunction is detected in the electrically-driven intelligent brake unit or the brake power supply backup
unit.
• A malfunction is detected in the hill start assist function.
• For the relationship between warning lamp and DTC, refer to
.
SHUTOFF CONDITION
• When the condition listed below is satisfied while the power switch ON:
- Erase DTC
• Power switch OFF
TIMING CHART
WARNING/INDICATOR/CHIME LIST : Brake Warning Lamp (Red)
INFOID:0000000010122992
DESIGN/PURPOSE
• The brake warning lamp warns the driver of brake fluid shortages.
- For U.S.A.
- For Canada
JSFIA1851GB
JPNIA1873ZZ
JPNIA1872ZZ
SYSTEM
BR-27
< SYSTEM DESCRIPTION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
• The brake warning lamp warns the driver that the parking brake is engaged.
• The brake warning lamp warns the driver of a malfunction in the ABS actuator and electric unit (control unit).
• The brake warning lamp warns the driver of a malfunction in the electrically-driven intelligent brake unit.
NOTE:
The brake warning lamp may turn ON simultaneously with the ABS warning lamp, VDC warning lamp. For
details, refer to
(ABS warning lamp, VDC warning lamp) and
(brake system warning lamp).
BULB CHECK
Several seconds after power switch is turned ON
SYNCHRONIZATION WITH WARNING CHIME
YES
WCS-11, "PARKING BRAKE RELEASE WARNING CHIME : Parking Brake
MASTER WARNING LAMP WITH WARNING CHIME
Not applicable
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
*: For DTCs that the brake system warning lamp turns ON, refer to
(electrically-driven
intelligent brake unit) or
[ABS actuator and electric unit (control unit)].
SIGNAL PATH
When Brake Fluid Is Insufficient
The combination meter turns ON/OFF the brake warning lamp, according to the ON/OFF state of the brake
fluid level switch.
When Operating The Parking Brake
The combination meter turns ON/OFF the brake warning lamp, according to the ON/OFF state of the parking
brake switch.
When The EBD Function Is In Abnormal State
• The ABS actuator and electric unit (control unit) transmits a brake warning lamp signal to the combination
meter via CAN communication when detecting a malfunction in the EBD function.
• The combination meter turns ON the brake warning lamp when receiving a brake warning lamp signal.
• For the relationship between warning lamp and DTC, refer to
When The Electrically-driven Intelligent Brake Unit Is In Abnormal State
JSFIA1852GB
BR-28
< SYSTEM DESCRIPTION >
SYSTEM
• The electrically-driven intelligent brake unit transmits a brake warning lamp request signal to the ABS actua-
tor and electric unit (control unit) via CAN communication when detecting a malfunction in the electrically-
driven intelligent brake unit.
• The ABS actuator and electric unit (control unit) receiving a brake warning lamp request signal, and trans-
mits a brake system warning lamp signal to the combination meter via CAN communication.
• The combination meter turns ON the brake system warning lamp when receiving a brake system warning
lamp signal.
• For the relationship between warning lamp and DTC, refer to
.
LIGHTING CONDITION
When any of the condition listed below is satisfied while the power switch ON:
• Brake fluid level switch ON.
• Parking switch ON.
• A malfunction is detected in the EBD function of the ABS actuator and electric unit (control unit).
• A malfunction is detected in the electrically-driven intelligent brake unit.
• For the relationship between warning lamp and DTC, refer to
(electrically-driven intelli-
gent brake unit) or
[ABS actuator and electric unit (control unit)].
SHUTOFF CONDITION
• When the condition listed below is satisfied while the power switch ON:
- Brake fluid level switch is OFF.
- Parking brake switch is OFF.
- Erase DTC
• Power switch OFF
TIMING CHART
JSFIA1853GB
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