Murano Cross Cabriolet Z51 (2012 year). Manual — part 17

PRECAUTIONS

BRC-5

< PRECAUTION >

[WITH VDC]

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Precaution for Procedure without Cowl Top Cover

INFOID:0000000007808976

When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.

Precaution for Brake System

INFOID:0000000007565729

WARNING:

Since dust covering the front and rear brakes has an affect on human body, the dust must be removed
with a dust collector. Never splatter the dust with an air blow gun.

CAUTION:

• Brake fluid use refer to

MA-10, "Fluids and Lubricants"

.

• Never reuse drained brake fluid.
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it

off immediately and wash with water if it gets on a painted surface.

• Never use mineral oils such as gasoline or light oil to clean. They may damage rubber parts and

cause improper operation.

• Always loosen the brake tube flare nut with a flare nut wrench.
• Tighten the brake tube flare nut to the specified torque with

crowfoot (A) and torque wrench (B).

• Always confirm the specified tightening torque when install-

ing the brake pipes.

• Turn the ignition switch OFF and disconnect the ABS actuator

and electric unit (control unit) harness connector or the bat-
tery negative terminal before performing the work.

• Check that no brake fluid leakage is present after replacing

the parts.

Precaution for Brake Control

INFOID:0000000007565730

• When starting engine or when starting vehicle just after starting engine, brake pedal may vibrate or motor

operating noise may be heard from engine compartment. This is normal condition.

• When an error is indicated by ABS or another warning lamp, collect all necessary information from customer

(what symptoms are present under what conditions) and check for estimate causes before starting diagnos-
tic servicing. Besides electrical system inspection, check the brake booster operation, brake fluid level, and
oil leaks.

• If tire size and type are used in an improper combination, or brake pads are not Genuine NISSAN parts,

stopping distance or steering stability may deteriorate.

• ABS might be out of order or malfunctions by putting a radio (wiring inclusive), an antenna and a lead-in wire

near the control unit.

• If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness

pinches, open circuits, and improper wiring.

• VDC system may not operate normally or a VDC warning lamp may light.
- When replacing the following parts with parts other than genuine parts or making modifications: Suspension-

related parts (shock absorber, spring, bushing, etc.), tires, wheels (other than specified sizes), brake-related
parts (pad, rotor, caliper, etc.), engine-related parts (muffler, ECM, etc.) and body reinforcement-related parts
(roll bar, tower bar, etc.).

- When driving with worn or deteriorated suspension, tires and brake-related parts.

PIIB3706J

JPFIA0001ZZ

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-6

< PRECAUTION >

[WITH VDC]

PRECAUTIONS

Precaution for Harness Repair

INFOID:0000000007565731

• Solder the repair part, and wrap it with tape. [Twisted wire fray

must be 110 mm (4.33 in) or less.]

• Never bypass the repair point with wire. (If it is bypassed, the turn-

out point cannot be separated and the twisted wire characteristics
are lost.)

SKIB8766E

SKIB8767E

Revision: 2013 February

2012 Murano CrossCabriolet

PREPARATION

BRC-7

< PREPARATION >

[WITH VDC]

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PREPARATION

PREPARATION

Commercial Service Tool

INFOID:0000000007565732

Tool name

Description

Power tool

Loosening bolts and nuts

PBIC0190E

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-8

< SYSTEM DESCRIPTION >

[WITH VDC]

COMPONENT PARTS

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000007565733

JSFIA0529ZZ

Revision: 2013 February

2012 Murano CrossCabriolet

COMPONENT PARTS

BRC-9

< SYSTEM DESCRIPTION >

[WITH VDC]

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Component Description

INFOID:0000000007565734

ABS Actuator and Electric Unit (Control Unit)

INFOID:0000000007565735

Electric unit (control unit) is integrated with actuator and comprehensively controls VDC function, TCS func-
tion, ABS function and EBD function.

ELECTRIC UNIT (CONTROL UNIT)

• Brake fluid pressure, engine and transaxle are controlled according to signals from each sensor.
• If malfunction is detected, the system enters fail-safe mode.

ACTUATOR

The following components are integrated with ABS actuator.

Pump

The pump returns the brake fluid stored in the reservoir to the master cylinder by reducing the pressure.

Motor

The motor drives the pump according to the signals transmitted by the ABS actuator and electric unit (control
unit).

1.

Steering angle sensor

2.

ABS warning lamp

3.

Brake warning lamp

4.

VDC OFF indicator lamp

5.

VDC warning lamp

6.

ABS actuator and electric unit (con-
trol unit)

7.

Front wheel sensor

8.

Yaw rate/side/decel G sensor

9.

VDC OFF switch

10. Rear wheel sensor

A.

Back of spiral cable assembly

B.

Combination meter

C.

Engine room (right side)

D.

Steering knuckle

E.

Under center console

F.

Instrument driver lower panel

G.

Rear axle

Component parts

Reference

ABS actuator and electric unit (control unit)

Pump

BRC-9, "ABS Actuator and Electric Unit

(Control Unit)"

Motor

Actuator relay (Main relay)

ABS IN valve

ABS OUT valve

Pressure sensor

Motor relay

Cut valve 1, Cut valve2

Suction Valve 1, Suction Valve 2

Wheel sensor

BRC-10, "Wheel Sensor and Sensor Ro-

tor"

Stop lamp switch

BRC-10, "Stop Lamp Switch"

Steering angle sensor

BRC-10, "Steering Angle Sensor"

Yaw rate/side/decel G sensor

BRC-10, "Yaw Rate/Side/Decel G Sen-

sor"

Brake fluid level switch

BRC-10, "Brake Fluid Level Switch"

VDC OFF switch

BRC-10, "VDC OFF Switch"

ABS warning lamp

BRC-11, "System Description"

Brake warning lamp

VDC warning lamp

VDC OFF indicator lamp

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-10

< SYSTEM DESCRIPTION >

[WITH VDC]

COMPONENT PARTS

Motor Relay

Activates or deactivates motor according to the signals transmitted by the ABS actuator and electric unit (con-
trol unit).

Actuator Relay (Main Relay)

Activates or deactivates each solenoid valve according to the signals transmitted by the ABS actuator and
electric unit (control unit).

ABS IN Valve

The solenoid valve increases, holds or decreases the fluid pressure of each brake caliper according to the sig-
nals transmitted by the ABS actuator and electric unit (control unit).

ABS OUT Valve

The solenoid valve increases, holds or decreases the fluid pressure of each brake caliper according to the sig-
nals transmitted by the ABS actuator and electric unit (control unit).

Cut Valve 1, Cut Valve 2

The cut valve shuts off the normal brake fluid path from the master cylinder, when VDC/TCS is activated.

Suction Valve 1, Suction Valve 2

The suction valve supplies the brake fluid from the master cylinder to the pump, when VDC/TCS is activated.

Pressure Sensor

The pressure sensor converts the brake fluid pressure to an electric signal and transmits it to the ABS actuator
and electric unit (control unit). [The pressure sensor is integrated in the ABS actuator and electric unit (control
unit).]

Wheel Sensor and Sensor Rotor

INFOID:0000000007565736

When the sensor rotor rotates, the magnetic field changes. It converts the magnetic field changes to current
signals (rectangular wave) and transmits them to the ABS actuator and electric unit (control unit).

Stop Lamp Switch

INFOID:0000000007565737

The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the ABS actuator and electric unit
(control unit).

Steering Angle Sensor

INFOID:0000000007565738

The steering angle sensor detects the rotation amount, angular velocity and direction of the steering wheel,
and transmits the data to the ABS actuator and electric unit (control unit) via CAN communication.

Yaw Rate/Side/Decel G Sensor

INFOID:0000000007565739

Yaw rate/side/decel G sensor detects yaw rate/side/decel G affecting the vehicle, and transmits the data to the
ABS actuator and electric unit (control unit) as an analog voltage signal.

Brake Fluid Level Switch

INFOID:0000000007565740

The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actu-
ator and electric unit (control unit).

VDC OFF Switch

INFOID:0000000007565741

VDC OFF switch can deactivate (turn OFF) the VDC/TCS function by pressing the VDC OFF switch.

Revision: 2013 February

2012 Murano CrossCabriolet

SYSTEM

BRC-11

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[WITH VDC]

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SYSTEM

System Description

INFOID:0000000007565742

• The system switches fluid pressure of each brake caliper to increase, to hold or to decrease according to

signals from control unit in ABS actuator and electric unit (control unit). This control system is applied to
VDC function, TCS function, ABS function and EBD function.

• Fail-safe function is available for each function and is activated by each function when system malfunction

occurs.

SYSTEM DIAGRAM

CONDITION FOR TURN ON THE WARNING LAMP

ABS Warning Lamp

×

: ON –: OFF

Brake Warning Lamp

×

: ON –: OFF

NOTE:

JSFIA1149GB

Condition

ABS warning lamp

Ignition switch OFF

–

For 2 seconds after turning ignition switch ON

×

2 seconds later after turning ignition switch ON

–

ABS function is malfunctioning.

×

EBD function is malfunctioning.

×

Condition

Brake warning lamp (Note 1)

Ignition switch OFF

–

For 2 seconds after turning ignition switch ON

×

(Note 2)

2 seconds later after turning ignition switch ON

×

(Note 2)

EBD function is malfunctioning.

×

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-12

< SYSTEM DESCRIPTION >

[WITH VDC]

SYSTEM

• 1: Brake warning lamp will turn ON in case of parking brake operation (when switch is ON) or of brake fluid level switch operation

(when brake fluid is insufficient).

• 2: After starting the engine, brake warning lamp is turned off.

VDC Warning Lamp

×

: ON

: Blink –: OFF

CONDITION FOR TURN ON THE INDICATOR LAMP

VDC OFF Indicator Lamp

×

: ON –: OFF

Fail-Safe

INFOID:0000000007565743

ABS, EBD SYSTEM

If ABS malfunction electrically, ABS warning lamp and VDC warning lamp will turn ON. If EBD malfunction
electrically, brake warning lamp, ABS warning lamp and VDC warning lamp will turn ON. Simultaneously, the
VDC/TCS/ABS become one of the following conditions of the fail-safe function.
• For malfunction of ABS, only the EBD is activated and the condition of vehicle is the same condition of vehi-

cles without TCS/ABS system.
NOTE:
ABS self-diagnosis sound may be heard. That is a normal condition because a self-diagnosis for “Ignition
switch ON” and “The first starting” are being performed.

• For malfunction of EBD, EBD and ABS become inoperative, and the condition of vehicle is the same as the

condition of vehicles without TCS/ABS, EBD system.

VDC/TCS

If VDC/TCS/ABS system malfunction electrically, VDC warning lamp is turned on, and the condition of vehicle
is the same as the condition of vehicles without VDC/TCS control.

CAUTION:

If the Fail-Safe function is activated, then perform self-diagnosis for “ABS” with CONSULT.

VDC FUNCTION

VDC FUNCTION : System Description

INFOID:0000000007565744

• In addition to the TCS/ABS function, the driver steering amount and brake operation amount are detected by

the steering angle sensor and pressure sensor, and the vehicle

′

s driving status (amount of under steering/

over steering) is determined by the information from the yaw rate/side/decel G sensor, wheel sensor, etc.,
and this information is used to improve vehicle stability by controlling the braking and engine power to all
four wheels.

Condition

VDC warning lamp

Ignition switch OFF

–

For 2 seconds after turning ignition switch ON

×

2 seconds later after turning ignition switch ON

–

VDC/TCS is activated while driving.

VDC/TCS function is malfunctioning.

×

ABS function is malfunctioning.

×

EBD function is malfunctioning.

×

Condition

VDC OFF indicator lamp

Ignition switch OFF

–

For 2 seconds after turning ignition switch ON

×

2 seconds later after turning ignition switch ON

–

VDC OFF switch turned ON. (VDC function is OFF.)

×

VDC/TCS function is malfunctioning.

–

ABS function is malfunctioning.

–

EBD function is malfunctioning.

–

Revision: 2013 February

2012 Murano CrossCabriolet

SYSTEM

BRC-13

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• During VDC operation, it informs driver of system operation by blinking the VDC warning lamp.
• Electrical system diagnosis by CONSULT is available.

TCS FUNCTION

TCS FUNCTION : System Description

INFOID:0000000007565745

• The wheel spin of the drive wheels is detected by the ABS actuator and electric unit (control unit) using the

wheel speed signals from the four wheels, so if wheel spin occurs, the drive wheel right and left brake fluid
pressure control and engine fuel cut are conducted while the throttle valve opening is restricted to reduce the
engine torque and decrease the amount of wheel spin. In addition, the throttle opening is controlled to
achieve the optimum engine torque.

• During TCS operation, TCS informs driver of system operation by blinking the VDC warning lamp.
• Electrical system diagnosis by CONSULT is available.

ABS FUNCTION

ABS FUNCTION : System Description

INFOID:0000000007565746

• The Anti-Lock Braking System detects wheel revolution while braking, and it improves handling stability dur-

ing sudden braking by electrically preventing 4 wheel lock. Maneuverability is also improved for avoiding
obstacles.

• Electrical system diagnosis by CONSULT is available.

EBD FUNCTION

EBD FUNCTION : System Description

INFOID:0000000007565747

• Electronic Brake force Distribution detects subtle slippages between front and rear wheels during braking,

and it improves handling stability by electronically controlling brake fluid pressure which results in reduced
rear wheel slippage.

• Electrical system diagnosis by CONSULT is available.

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-14

< SYSTEM DESCRIPTION >

[WITH VDC]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL

UNIT)]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]

CONSULT Function

INFOID:0000000007565748

APPLICATION ITEMS

CONSULT can display each diagnostic item using the diagnostic test modes as following.

WORK SUPPORT

SELF DIAGNOSTIC RESULT

Operation Procedure

Before performing the self-diagnosis for “ABS” with CONSULT, start the engine and drive the vehicle at 30 km/
h (19 MPH) or more for approximately 1 minute.

Display Item List

Refer to

BRC-24, "DTC No. Index"

.

How to Erase Self-diagnosis Results

After erasing DTC memory for “ABS” with CONSULT, start the engine and drive the vehicle at 30 km/h (19
MPH) or more for approximately 1 minute as the final inspection, and make sure that the ABS warning lamp,
VDC warning lamp and brake warning lamp turn OFF.

CAUTION:

If memory cannot be erased, perform applicable diagnosis.
NOTE:
• When the wheel sensor malfunctions, after inspecting the wheel sensor system, the ABS warning lamp,

VDC warning lamp and brake warning lamp will not turn OFF even when the system is normal unless the
vehicle is driving at approximately 30 km/h (19 MPH) or more for approximately 1 minute.

• Brake warning lamp will turn ON in case of parking brake operation (when switch is ON) or of brake fluid

level switch operation (when brake fluid is insufficient).

• VDC OFF switch should not stay “ON” position.

DATA MONITOR

Display Item List

Mode

Function

Work support

This mode enables a technician to adjust some devices faster and more accurately by following the indica-
tions on CONSULT.

Self diagnostic result

Self-diagnostic results can be read and erased quickly.

Data monitor

Input/Output data in the ABS actuator and electric unit (control unit) can be read.

Active test

CONSULT drives some actuators apart from the ABS actuator and electric unit (control unit) and also shifts
some parameters in a specified range.

ECU identification

ABS actuator and electric unit (control unit) part number can be read.

Item

Description

ST ANGLE SENSOR ADJUSTMENT

Adjusts the neutral position of the steering angle sensor.

DECEL G SEN CALIBRATION

Calibrates decel G sensor.

Revision: 2013 February

2012 Murano CrossCabriolet

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL

UNIT)]

BRC-15

< SYSTEM DESCRIPTION >

[WITH VDC]

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×

: Applicable

: Optional item

Monitor item (Unit)

SELECT MONITOR ITEM

Remarks

ECU INPUT

SIGNALS

MAIN SIGNALS

FR LH SENSOR
[km/h (MPH)]

×

×

Wheel speed

FR RH SENSOR
[km/h (MPH)]

×

×

RR LH SENSOR
[km/h (MPH)]

×

×

RR RH SENSOR
[km/h (MPH)]

×

×

STOP LAMP SW
(On/Off)

×

×

Stop lamp switch signal status

BATTERY VOLT
(V)

×

×

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

GEAR

×

×

Gear position determined by TCM

R POSI SIG
(On/Off)

Shift position judged by shift position (R) signal

N POSI SIG
(On/Off)

Shift position judged by shift position (N) signal

P POSI SIG
(On/Off)

Shift position judged by shift position (P) signal

SLCT LVR POSI

×

×

Shift position judged by shift position signal

OFF SW
(On/Off)

×

×

VDC OFF switch

YAW RATE SEN
(d/s)

×

×

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

DECEL G-SEN
(G)

×

×

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

ACCEL POS SIG
(%)

×

Throttle actuator opening/closing is displayed (Linked with accelera-
tor pedal)

SIDE G-SENSOR

(m/s

2

)

×

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

STR ANGLE SIG
(

°

)

×

Steering angle detected by steering angle sensor

ENGINE RPM
[tr/min (rpm)]

×

Engine speed

FLUID LEV SW
(On/Off)

×

Brake fluid level switch

PRESS SENSOR
(bar)

×

Brake fluid pressure detected by pressure sensor

FR RH IN SOL
(On/Off)

×

Operation status of front RH ABS IN valve

FR RH OUT SOL
(On/Off)

×

Operation status of front RH ABS OUT valve

FR LH IN SOL
(On/Off)

×

Operation status of front LH ABS IN valve

FR LH OUT SOL
(On/Off)

×

Operation status of front LH ABS OUT valve

RR RH IN SOL
(On/Off)

×

Operation status of rear RH ABS IN valve

RR RH OUT SOL
(On/Off)

×

Operation status of rear RH ABS OUT valve

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-16

< SYSTEM DESCRIPTION >

[WITH VDC]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL

UNIT)]

NOTE:

A brief moment of On/Off condition occurs every 20 seconds after ignition switch turned ON. This is not malfunction because it is a oper-
ation for checking.

ACTIVE TEST MODE

CAUTION:

RR LH IN SOL
(On/Off)

×

Operation status of rear LH ABS IN valve

RR LH OUT SOL
(On/Off)

×

Operation status of rear LH ABS OUT valve

MOTOR RELAY
(On/Off)

×

Motor and motor relay operation

ACTUATOR RLY
(On/Off)

×

Actuator relay operation

ABS WARN LAMP
(On/Off)

×

ABS warning lamp

OFF LAMP
(On/Off)

×

VDC OFF indicator lamp

SLIP/VDC LAMP
(On/Off)

×

VDC warning lamp

CV1
(On/Off)

Cut valve 1 (CV1) monitor

CV2
(On/Off)

Cut valve 2 (CV2) monitor

SV1
(On/Off)

Suction valve 1 (SV1) monitor

SV2
(On/Off)

Suction valve 2 (SV2) monitor

EBD SIGNAL
(On/Off)

EBD operation

ABS SIGNAL
(On/Off)

ABS operation

TCS SIGNAL
(On/Off)

TCS operation

VDC SIGNAL
(On/Off)

VDC operation

EBD FAIL SIG
(On/Off)

EBD fail-safe status

ABS FAIL SIG
(On/Off)

ABS fail-safe status

TCS FAIL SIG
(On/Off)

TCS fail-safe status

VDC FAIL SIG
(On/Off)

VDC fail-safe status

EBD WARN LAMP
(On/Off)

Brake warning lamp

CRANKING SIG
(On/Off)

Crank operation

4WD FAIL REQ
(On/Off)

AWD fail-safe signal status

2WD/4WD
(2WD/4WD)

Distinguish 2WD and AWD

Monitor item (Unit)

SELECT MONITOR ITEM

Remarks

ECU INPUT

SIGNALS

MAIN SIGNALS

Revision: 2013 February

2012 Murano CrossCabriolet

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL

UNIT)]

BRC-17

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[WITH VDC]

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• Never perform active test while driving vehicle.
• Make sure to completely bleed air from brake system.
• The active test cannot be started when ABS warning lamp, VDC warning lamp and brake warning

lamp is ON.

• ABS warning lamp, VDC warning lamp and brake warning lamp are ON during active test.
NOTE:
• When active test is performed while depressing the pedal, the pedal depression amount will change. This is

normal. (Only solenoid valve and ABS motor.)

• “TEST IS STOPPED” in “ABS” with CONSULT is displayed 10 seconds after operation start.
• After “TEST IS STOPPED” in “ABS” with CONSULT is displayed, to perform test again.

Test Item

ABS SOLENOID VALVE

• Select “Up”, “Keep” and “Down” of “ACTIVE TEST” in “ABS” with CONSULT. Then use screen monitor to

check that solenoid valve operates as shown in the table below.

*: On for 1 to 2 seconds after the select, and then Off.

NOTE:

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.

ABS SOLENOID VALVE (ACT)

• Select “Up”, “ACT UP” and “ACT KEEP” of “ACTIVE TEST” in “ABS” with CONSULT. Then use screen mon-

itor to check that solenoid valve operates as shown in the table below.

Test item

Display item

Display

Up

Keep

Down

FR RH SOL

FR RH IN SOL

Off

On

On

FR RH OUT SOL

Off

Off

On*

FR LH SOL

FR LH IN SOL

Off

On

On

FR LH OUT SOL

Off

Off

On*

RR RH SOL

RR RH IN SOL

Off

On

On

RR RH OUT SOL

Off

Off

On*

RR LH SOL

RR LH IN SOL

Off

On

On

RR LH OUT SOL

Off

Off

On*

Test item

Display item

Display

Up

ACT UP

ACT KEEP

FR RH ABS SOLENOID
(ACT)

FR RH IN SOL

Off

Off

Off

FR RH OUT SOL

Off

Off

Off

CV1

Off

On

On

SV1

Off

On*

Off

FR LH ABS SOLENOID
(ACT)

FR LH IN SOL

Off

Off

Off

FR LH OUT SOL

Off

Off

Off

CV2

Off

On

On

SV2

Off

On*

Off

RR RH ABS SOLENOID
(ACT)

RR RH IN SOL

Off

Off

Off

RR RH OUT SOL

Off

Off

Off

CV2

Off

On

On

SV2

Off

On*

Off

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-18

< SYSTEM DESCRIPTION >

[WITH VDC]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL

UNIT)]

*: On for 1 to 2 seconds after the select, and then Off.

NOTE:

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.

ABS MOTOR

• Select “On” and “Off” of “ACTIVE TEST” in “ABS” with CONSULT. Make sure motor relay and actuator relay

operates as shown in table below.

NOTE:

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.

ECU IDENTIFICATION

ABS actuator and electric unit (control unit) part number can be read.

RR LH ABS SOLENOID
(ACT)

RR LH IN SOL

Off

Off

Off

RR LH OUT SOL

Off

Off

Off

CV1

Off

On

On

SV1

Off

On*

Off

Test item

Display item

Display

Up

ACT UP

ACT KEEP

Test item

Display item

Display

On

Off

ABS MOTOR

MOTOR RELAY

On

Off

ACTUATOR RLY

On

On

Revision: 2013 February

2012 Murano CrossCabriolet

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-19

< ECU DIAGNOSIS INFORMATION >

[WITH VDC]

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ECU DIAGNOSIS INFORMATION

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Reference Value

INFOID:0000000007565749

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

display (

±

10% or

less)

FR RH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches

the speedometer

display (

±

10% or

less)

RR LH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches

the speedometer

display (

±

10% or

less)

RR RH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Nearly matches

the speedometer

display (

±

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

##

Revision: 2013 February

2012 Murano CrossCabriolet

BRC-20

< ECU DIAGNOSIS INFORMATION >

[WITH VDC]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

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 sensor

Vehicle stopped

Approx. 0 d/s

Vehicle running

−

100 to 100 d/s

DECEL G-SEN

Decel G detected by yaw rate/side/decel G sen-
sor

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 sen-
sor

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 ta-
chometer 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 sen-
sor

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 front RH ABS IN valve

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

On

When the actuator (ABS IN valve) is not
active and actuator relay is active (igni-
tion switch ON)

Off

FR RH OUT SOL
(Note 2)

Operation status of front RH ABS OUT valve

Actuator (ABS OUT valve) is active
(“ACTIVE TEST” in “ABS” with CON-
SULT)

On

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

Off

FR LH IN SOL
(Note 2)

Operation status of front LH ABS IN valve

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

On

When the actuator (ABS IN valve) is not
active and actuator relay is active (igni-
tion switch ON)

Off

FR LH OUT SOL
(Note 2)

Operation status of front LH ABS OUT valve

Actuator (ABS OUT valve) is active
(“ACTIVE TEST” in “ABS” with CON-
SULT)

On

When the actuator (ABS OUT 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

Revision: 2013 February

2012 Murano CrossCabriolet