Nissan Murano. Instruction — part 236
BRC-100
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
VDC OFF INDICATOR LAMP
VDC OFF INDICATOR LAMP
Description
INFOID:0000000009718353
×
: ON –: OFF
Component Function Check
INFOID:0000000009718354
1.
VDC OFF INDICATOR LAMP OPERATION CHECK 1
Check that the lamp illuminates for approximately 2 seconds after the ignition switch is turned ON.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Proceed to diagnosis procedure. Refer to
BRC-100, "Diagnosis Procedure"
.
2.
VDC OFF INDICATOR LAMP OPERATION CHECK 2
Check that the VDC OFF indicator lamp in the combination meter turns ON/OFF correctly when operating the
VDC OFF switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the VDC OFF switch. Refer to
Diagnosis Procedure
INFOID:0000000009718355
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIR-
CUIT
Perform diagnosis of ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK VDC OFF INDICATOR LAMP SIGNAL (1)
1.
Select “ABS”, “DATA MONITOR” and “OFF LAMP” according to this order with CONSULT.
2.
Turn the ignition switch OFF.
3.
Check that data monitor displays “On” for approx. 1 second after ignition switch is turned ON, and then
changes to “Off”.
CAUTION:
Never start engine.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace ABS actuator and electric unit (control unit). Refer to
3.
CHECK VDC OFF INDICATOR LAMP SIGNAL (2)
1.
Select “ABS”, “DATA MONITOR” and “OFF LAMP” according to this order with CONSULT.
2.
Check that data monitor displays “On” or “Off” each time when VDC OFF switch is operated.
Is the inspection result normal?
YES
>> Check the combination meter. Refer to
MWI-34, "Diagnosis Description"
.
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.
–
VDC OFF INDICATOR LAMP
BRC-101
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
NO
>> Check the VDC OFF switch system. Refer to
Special Repair Requirement
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1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G
SENSOR
• After replacing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to
BRC-9, "ADJUSTMENT OF STEERING
ANGLE SENSOR NEUTRAL POSITION : Description"
.
- Calibration of decel G sensor: Refer to
BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"
.
• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to
BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"
.
• After removing/replacing a steering angle sensor, be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to
BRC-9, "ADJUSTMENT OF STEERING
ANGLE SENSOR NEUTRAL POSITION : Description"
.
• After removing/replacing a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to
BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"
.
>> END
BRC-102
< ECU DIAGNOSIS INFORMATION >
[VDC/TCS/ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
ECU DIAGNOSIS INFORMATION
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Reference Value
INFOID:0000000009718357
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.
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
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
Instruction 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
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-103
< ECU DIAGNOSIS INFORMATION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
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
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 left
Approx.
−
90
°
Turn 90
°
to right
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 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
RR RH IN SOL
(Note 2)
Operation status of rear 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
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
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