Nissan Qashqai J11. Manual - part 952

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL 

UNIT)]

BRC-45

< SYSTEM DESCRIPTION >

[WITH ESP]

C

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BRC

N

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SLCT LVR POSI

×

×

Current gear position judged from current gear position sig-
nal is displayed.

YAW RATE SEN
(d/s)

×

×

Yaw rate detected by yaw rate sensor is displayed.

R POSI SIG
(On/Off)

R range signal input status judged from R range signal is 
displayed.

4WD MODE MON

(Note 2)

(AUTO/LOCK/2WD)

×

×

AWD control status is displayed.

N POSI SIG
(On/Off)

N range signal input status judged from N range signal is 
displayed.

P POSI SIG
(On/Off)

P range signal input status judged from P range signal is dis-
played.

ACCEL POS SIG
 (%) 

×

Displays the Accelerator pedal position

SIDE G-SENSOR

(m/s

2

))

×

Side G detected by side G sensor is displayed.

STR ANGLE SIG

×

Steering angle detected by steering angle sensor is dis-
played.

PRESS SENSOR
(bar)

×

Brake fluid pressure detected by pressure sensor is dis-
played.

EBD SIGNAL
(On/Off)

EBD operation status is displayed.

ABS SIGNAL
(On/Off)

ABS operation status is displayed.

TCS SIGNAL
(On/Off)

TCS operation status is displayed.

VDC SIGNAL
(On/Off)

ESP/VDC operation status is displayed.

EBD FAIL SIG
(On/Off)

EBD fail-safe signal status is displayed.

ABS FAIL SIG
(On/Off)

ABS fail-safe signal status is displayed.

TCS FAIL SIG
(On/Off)

TCS fail-safe signal status is displayed.

VDC FAIL SIG
(On/Off)

ESP/VDC fail-safe signal status is displayed.

CRANKING SIG
(On/Off)

Cranking status is displayed.

FLUID LEV SW
(On/Off)

×

Brake fluid level signal input status via CAN communication 
is displayed.

PARK BRAKE SW
(On/Off)

×

Parking brake switch signal input status via CAN communi-
cation is displayed.

USV[FL-RR]
(On/Off)

Primary side USV solenoid valve (On/Off) status is dis-
played.

USV[FR-RL]
(On/Off)

Secondary side USV solenoid valve (On/Off) status is dis-
played.

HSV[FL-RR]
(On/Off)

Primary side HSV solenoid valve (On/Off) status is dis-
played.

HSV[FR-RL]
(On/Off)

Secondary side USV solenoid valve (On/Off) status is dis-
played.

Item (Unit)

Monitor item selection

Note

INPUT SIGNALS

MAIN SIGNALS

BRC-46

< SYSTEM DESCRIPTION >

[WITH ESP]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL 

UNIT)]

Note 1: Refer to 

BRC-13, "System Description"

 for ON/OFF conditions of each warning lamp and indicator

lamp.
Note 2: AWD models
Note 3: “USS” means “hill start assist”

WORK SUPPORT

V/R OUTPUT
(On/Off)

Valve relay operation signal (On/Off) status is displayed.

M/R OUTPUT
(On/Off)

Motor relay operation signal (On/Off) status is displayed.

ENGINE RPM
(tr/min)

×

Engine speed status is displayed.

USS SIG 

(Note 3)

(On/Off)

hill start assist operation status is displayed.

Item (Unit)

Monitor item selection

Note

INPUT SIGNALS

MAIN SIGNALS

Conditions

Description

ST ANGLE SENSOR ADJUSTMENT

Perform neutral position adjustment of steering angle sensor.

DECEL G SEN CALIBRATION

Perform decel G sensor calibration.

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-47

< ECU DIAGNOSIS INFORMATION >

[WITH ESP]

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BRC

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ECU DIAGNOSIS INFORMATION

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Reference Value

INFOID:0000000010427931

CONSULT DATA MONITOR STANDARD VALUE

NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.

Monitor item

Condition

Reference values in normal operation

FR LH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving

(Note 1)

Nearly matches the speedometer dis-
play (within 

±

10%)

FR RH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving

(Note 1)

Nearly matches the speedometer dis-
play (within 

±

10%)

RR LH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving

(Note 1)

Nearly matches the speedometer dis-
play (within 

±

10%)

RR RH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving

(Note 1)

Nearly matches the speedometer dis-
play (within 

±

10%)

BATTERY VOLT

Ignition switch ON

10 – 16 V

STOP LAMP SW

Brake pedal depressed

On

Brake pedal not depressed

Off

OFF SW

VDC OFF switch ON

On

VDC OFF switch OFF

Off

YAW RATE SEN

Vehicle stopped

Approx. 0 d/s

Turning right

Negative value

Turning left

Positive value

FR RH IN SOL

Active

On

Not activated

Off

FR RH OUT SOL

Active

On

Not activated

Off

FR LH IN SOL

Active

On

Not activated

Off

FR LH OUT SOL

Active

On

Not activated

Off

RR RH IN SOL

Active

On

Not activated

Off

RR RH OUT SOL

Active

On

Not activated

Off

RR LH IN SOL

Active

On

Not activated

Off

RR LH OUT SOL

Active

On

Not activated

Off

BRC-48

< ECU DIAGNOSIS INFORMATION >

[WITH ESP]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

MOTOR RELAY

Active

On

Not activated

Off

ACTUATOR RLY

Active

On

When not operating (in fail-safe mode)

Off

ABS WARN LAMP

When ABS warning lamp is ON

(Note 2)

On

When ABS warning lamp is OFF

(Note 2)

Off

OFF LAMP

When VDC OFF indicator lamp is ON

(Note 2)

On

When VDC OFF indicator lamp is OFF

(Note 2)

Off

SLIP/VDC LAMP

When VDC warning lamp is ON

(Note 2)

On

When VDC warning lamp is OFF

(Note 2)

Off

ACCEL POS SIG

Never depress accelerator pedal
(with ignition switch ON)

0%

Depress accelerator pedal
(with ignition switch ON)

0 – 100%

SIDE G-SENSOR

Vehicle stopped

Approx. 0 m/s

2

Right turn

Negative value

Left turn

Positive value

DECEL G-SEN

When stopped

Approx. 

±

0.01 G

During acceleration

Positive value

During deceleration

Negative value

STR ANGLE SIG

When driving straight

0

±

3.5

°

When steering wheel is steered to RH by 90

°

Approx. +90

°

When steering wheel is steered to LH by 90

°

Approx. –90

°

ENGINE SPEED

Engine stopped

0 tr/min

Engine running

Almost same reading as tachometer

PRESS SENSOR

Brake pedal not depressed

Approx. 0 bar

Brake pedal depressed

 (

−

40) – (+300 bar)

FLUID LEV SW

When brake fluid level switch is ON (brake fluid level 
is less than the specified level)

On

When brake fluid level switch is OFF

Off

PARK BRAKE SW

When parking brake is active

On

Parking brake is released

Off

CV1

Active

On

Not activated

Off

CV2

Active

On

Not activated

Off

EBD SIGNAL

EBD activated

On

EBD not activated

Off

ABS SIGNAL

ABS is activated

On

ABS is not activated

Off

TCS SIGNAL

TCS activated

On

TCS not activated

Off

VDC SIGNAL

VDC activated

On

VDC not activated

Off

Monitor item

Condition

Reference values in normal operation