Nissan Versa Sedan. Instruction - 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

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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

Instruction 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]

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BRC

N

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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