Nissan Murano Z51. Manual - part 316

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-87

< 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:0000000005517397

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

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches the 

speedometer dis-

play (

±

 10% or less)

FR RH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches the 

speedometer dis-

play (

±

 10% or less)

RR LH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches the 

speedometer dis-

play (

±

 10% or less)

RR RH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches the 

speedometer dis-

play (

±

 10% or less)

STOP LAMP SW

Brake pedal operation

When brake pedal is depressed

On

When brake pedal is not depressed

Off

BATTERY VOLT

Battery voltage supplied to the ABS actuator 
and electric unit (control unit)

Ignition switch ON

10 – 16 V

GEAR

Gear position

Vehicle running

1 

−

 6

R POSI SIG

Select shift position

CVT shift position (R)

On

CVT shift position (other R)

Off

N POSI SIG

Select shift position

CVT shift position (N)

On

CVT shift position (other N)

Off

P POSI SIG

Select shift position

CVT shift position (P)

On

CVT shift position (other P)

Off

SLCT LVR POSI

Select shift position

CVT shift position
(P, R, N, D, L)

P
R
N
D

L

Manual mode

##

OFF SW

VDC OFF switch ON/OFF status

VDC OFF switch ON
(When VDC OFF indicator lamp is ON)

On

VDC OFF switch OFF
(When VDC OFF indicator lamp is OFF)

Off

YAW RATE SEN

Yaw rate detected by yaw rate/side/decel sen-
sor

Vehicle stopped

Approx. 0 d/s

Vehicle running

−

100 to 100 d/s

BRC-88

< ECU DIAGNOSIS INFORMATION >

[VDC/TCS/ABS]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

DECEL G-SEN

Decel G detected by yaw rate/side/decel G 
sensor

Vehicle stopped

Approx. 0 G

Vehicle running

−

1.7 – +1.7 G

ACCEL POS SIG 

Open/Close condition of throttle valve
(Linked with accelerator pedal)

Accelerator pedal not depressed
(Engine stopped)

0 %

Depress accelerator pedal
(Engine stopped)

0 - 100 %

SIDE G-SENSOR

Transverse G detected by yaw rate/side/decel 
G sensor

Vehicle stopped

Approx. 0 m/s

2

Vehicle running

−

 16.7 – 16.7 m/s

2

STR ANGLE SIG

Steering angle detected by steering angle 
sensor

Driving straight

−

3.5 – +3.5

°

Turn 90 

°

 to right

Approx. 

−

90 

°

Turn 90 

°

 to left

Approx. +90 

°

ENGINE RPM

With engine running

With engine stopped

0 [tr/min (rpm)]

Engine running

Almost in accor-
dance with tachome-
ter display

FLUID LEV SW

Brake fluid level switch signal status

When brake fluid level switch ON

On

When brake fluid level switch OFF 

Off

PRESS SENSOR

Brake fluid pressure detected by pressure 
sensor

With ignition switch ON and brake pedal 
released

Approx. 0 bar

With ignition switch ON and brake pedal 
depressed

0 – 170 bar

FR RH IN SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

FR RH OUT SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

FR LH IN SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

FR LH OUT SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

RR RH IN SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

 Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-89

< ECU DIAGNOSIS INFORMATION >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

RR RH OUT SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

RR LH IN SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

RR LH OUT SOL
(Note 2)

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

MOTOR RELAY

Motor and motor relay operation

Ignition switch ON or engine running 
(ABS operated)

On

Ignition switch ON or engine running 
(ABS not operated)

Off

ACTUATOR RLY
(Note 2)

Actuator relay operation

Vehicle stopped
(Engine running)

On

Vehicle stopped
(Ignition switch ON)

Off

ABS WARN LAMP

ABS warning lamp
(Note 3)

When ABS warning lamp is ON

On

When ABS warning lamp is OFF

Off

OFF LAMP

VDC OFF indicator lamp
(Note 3)

When VDC OFF indicator lamp is ON

On

When VDC OFF indicator lamp is OFF

Off

SLIP LAMP

SLIP indicator lamp
(Note 3)

When SLIP indicator lamp is ON

On

When SLIP indicator lamp is blinking

When SLIP indicator lamp is OFF

Off

CV1

Operation status of each solenoid valve

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

CV2

Operation status of each solenoid valve

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

SV1

Operation status of each solenoid valve

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

 Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation

BRC-90

< ECU DIAGNOSIS INFORMATION >

[VDC/TCS/ABS]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

NOTE:

• 1: Confirm tire pressure is normal.

• 2: A brief moment of On/Off condition occurs every 20 seconds after ignition switch turned ON. This is not malfunction because it is a

operation for checking.

• 3: On and off timing for warning lamp and indicator lamp.

- ABS warning lamp: Refer to 

BRC-82, "Description"

.

- Brake warning lamp: Refer to 

BRC-83, "Description"

.

- VDC OFF indicator lamp: Refer to 

BRC-85, "Description"

.

- SLIP indicator lamp: Refer to 

BRC-86, "Description"

.

SV2

Operation status of each solenoid valve

Actuator (solenoid valve) is active (“AC-
TIVE TEST” in “ABS” with CONSULT-
III)

On

When the actuator (solenoid valve) is 
not active and actuator relay is active 
(ignition switch ON)

Off

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

EBD WARN LAMP

Brake warning lamp ( Note 3)

When brake warning lamp is ON

On

When brake warning lamp is OFF

Off

CRANKING SIG

Crank operation

Crank is active

On

Crank is inactive

Off

4WD FAIL REQ

ETS fail status

ETS fail

On

ETS normal

Off

2WD/4WD

Drive axle

2WD model

2WD

AWD model

4WD

 Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation