Nissan Versa Sedan. Manual — part 111
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-37
< ECU DIAGNOSIS INFORMATION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ECU DIAGNOSIS INFORMATION
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Reference Value
INFOID:0000000009267601
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the
event the output circuit (harness) is open or short-circuited.
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
FR LH SENSOR
Wheel speed
0 [km/h, mph]
Vehicle stopped
Nearly matches the speed meter display
(
± 10% or less)
Vehicle running
(Note 1)
FR RH SENSOR
Wheel speed
0 [km/h, mph]
Vehicle stopped
Nearly matches the speed meter display
(
± 10% or less)
Vehicle running
(Note 1)
RR LH SENSOR
Wheel speed
0 [km/h, mph]
Vehicle stopped
Nearly matches the speed meter display
(
± 10% or less)
Vehicle running
(Note 1)
RR RH SENSOR
Wheel speed
0 [km/h, mph]
Vehicle stopped
Nearly matches the speed meter display
(
± 10% or less)
Vehicle running
(Note 1)
DECEL G-SEN
Longitudinal acceleration detected by decel
G sensor
Vehicle stopped
Approx. 0 G
Vehicle running
-1.7 to 1.7 G
FR RH IN SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
FR RH OUT SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
FR LH IN SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
FR LH OUT SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
B R C - 3 8
< ECU DIAGNOSIS INFORMATION >
[VDC/TCS/ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
RR RH IN SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR RH OUT SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR LH IN SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR LH OUT SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
EBD WARN LAMP
EBD warning lamp
(Note 2)
When EBD warning lamp is ON
On
When EBD warning lamp is OFF
Off
STOP LAMP SW
Brake pedal operation
When brake pedal is depressed
On
When brake pedal is not depressed
Off
MOTOR RELAY
Motor and motor relay operation
When the motor relay and motor are op-
erating
On
When the motor relay and motor are not
operating
Off
ACTUATOR RLY
Actuator relay operation
When the actuator relay is operating
On
When the actuator relay is not operating
Off
ABS WARN LAMP
ABS warning lamp
(Note 2)
When ABS warning lamp is ON
On
When ABS warning lamp is OFF
Off
OFF LAMP
VDC OFF indicator lamp
(Note 2)
When VDC OFF indicator lamp is ON
On
When VDC OFF indicator lamp is OFF
Off
SLIP/VDC LAMP
SLIP indicator lamp
(Note 2)
When SLIP indicator lamp is ON
On
When SLIP indicator lamp is OFF
Off
BATTERY VOLT
Battery voltage supplied to the ABS actuator
and electric unit (control unit)
Ignition switch ON
10 – 16 V
GEAR
Manual mode gear position determined by
TCM
1st gear
2nd gear
3rd gear
4th gear
5th gear
1
2
3
4
5
SLCT LVR POSI
Selector lever position.
Vehicle stopped
N/P
YAW RATE SEN
Yaw rate detected by yaw rate/side G sensor
When vehicle stop
Approx. 0 d/s
When vehicle turning
-75 to 75 d/s
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-39
< ECU DIAGNOSIS INFORMATION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
R POSI SIG
Transmission range switch signal ON/OFF
condition
CVT shift position = R position
On
CVT shift position = other than R position
Off
N POSI SIG
Transmission range switch signal ON/OFF
condition
CVT shift position = N position
On
CVT shift position = other than N position
Off
P POSI SIG
Transmission range switch signal ON/OFF
condition
CVT shift position = P position
On
CVT shift position = other than P position
Off
ACCEL POS SIG
Throttle actuator opening/closing is dis-
played (linked with accelerator pedal)
Accelerator pedal not depressed (ignition
switch is ON)
0 %
Depress accelerator pedal (ignition
switch is ON)
0 - 100 %
SIDE G-SENSOR
Transverse G detected by side G sensor
Vehicle stopped
Approx. 0 m/s
2
Vehicle turning right
Negative value
(m/s
2
)
Vehicle turning left
Positive value
(m/s
2
)
STR ANGLE SIG
Steering angle detected by steering angle
sensor
Straight-ahead
Approx. 0
°
Steering wheel turned
–720 to 720
°
PRESS SENSOR
Brake fluid pressure detected by pressure
sensor
With ignition switch turned ON and brake
pedal released
Approx. 0 bar
With ignition switch turned ON and brake
pedal depressed
–40 to 300 bar
EBD SIGNAL
EBD operation
EBD is active
On
EBD is inactive
Off
ABS SIGNAL
ABS operation
ABS is active
On
ABS is inactive
Off
TCS SIGNAL
TCS operation
TCS is active
On
TCS is inactive
Off
VDC SIGNAL
VDC operation
VDC is active
On
VDC is inactive
Off
EBD FAIL SIG
EBD fail-safe signal
In EBD fail-safe
On
EBD is normal
Off
ABS FAIL SIG
ABS fail-safe signal
In ABS fail-safe
On
ABS is normal
Off
TCS FAIL SIG
TCS fail-safe signal
In TCS fail-safe
On
TCS is normal
Off
VDC FAIL SIG
VDC fail-safe signal
In VDC fail-safe
On
VDC is normal
Off
CRANKING SIG
Crank operation
Crank is active
On
Crank is inactive
Off
FLUID LEV SW
Brake fluid level switch
When brake fluid level switch ON
On
When brake fluid level switch OFF
Off
PARK BRAKE SW
Parking brake switch
Parking brake switch is active
On
Parking brake switch is inactive
Off
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
BRC-40
< ECU DIAGNOSIS INFORMATION >
[VDC/TCS/ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Note 1: Confirm tire pressure is normal.
Note 2: On and off timing for warning lamps and indicator lamps.
• Refer to
BRC-23, "VDC/TCS/ABS : VDC Function"
.
• Refer to
BRC-25, "VDC/TCS/ABS : TCS Function"
• Refer to
BRC-27, "VDC/TCS/ABS : ABS Function"
• Refer to
BRC-28, "VDC/TCS/ABS : EBD Function"
Fail-safe
INFOID:0000000009267602
VDC AND TCS FUNCTIONS
VDC warning lamp in combination meter turns ON when a malfunction occurs in system [ABS actuator and
electric unit (control unit)]. The control is suspended for VDC and TCS functions. However, ABS and EBD
functions operate normally.
USV[FL-RR]
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT) or
actuator relay is inactive (when in fail-
safe mode)
On
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
USV[FR-RL]
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT) or
actuator relay is inactive (when in fail-
safe mode)
On
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
HSV[FL-RR]
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT) or
actuator relay is inactive (when in fail-
safe mode)
On
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
HSV[FR-RL]
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT) or
actuator relay is inactive (when in fail-
safe mode)
On
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
V/R OUTPUT
Solenoid valve relay activated
When the solenoid valve relay is active
(when ignition switch OFF)
On
When the solenoid valve relay is not ac-
tive (in the fail-safe mode)
Off
M/R OUTPUT
Actuator motor and motor relay activated
When the actuator motor and motor relay
are active (
″ACTIVE TEST” with CON-
SULT)
On
When the actuator motor and motor relay
are inactive
Off
ENGINE RPM
With engine running
With engine stopped
0 rpm
Engine running
Almost in accor-
dance with tachome-
ter display
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
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