Nissan Murano Z50 (2006 year). Manual — part 48
TROUBLE DIAGNOSIS
BRC-13
[ABS]
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Revision: 2006 August
2006 Murano
Component Installation Location
NFS000FC
PFIA0741E
BRC-14
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
Schematic
NFS000FD
TFWB0121E
TROUBLE DIAGNOSIS
BRC-15
[ABS]
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BRC
Revision: 2006 August
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Wiring Diagram — ABS —
NFS000FE
TFWB0117E
BRC-16
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
TFWB0035E
TROUBLE DIAGNOSIS
BRC-17
[ABS]
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BRC
Revision: 2006 August
2006 Murano
TFWB0036E
BRC-18
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
TFWA0064E
TROUBLE DIAGNOSIS
BRC-19
[ABS]
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Control Unit Input/Output Signal Standard
NFS000FF
REFERENCE VALUE FROM CONSULT-II
CAUTION:
The display shows 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 1: Confirm tire pressure is normal.
Note 2: ON/OFF timing of ABS warning lamp
ON: For approximately 2 seconds after ignition switch is turned ON, or when a malfunction is detected.
OFF: Approximately 2 seconds after ignition switch is turned ON (when system is in normal operation).
Note3: Serves as EBD warning lamp.
Monitor item
Display content
Data monitor
Check item
Condition
Reference value in
normal operation
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSOR
Wheel speed
Vehicle stopped
0 [km/h]
Vehicle running (Note 1)
Almost in accor-
dance with speed-
ometer display
(within
±
10 %)
BATTERY VOLT
Battery voltage sup-
plied to ABS actuator
and electric unit (con-
trol unit)
Ignition switch ON
10 - 16 V
BRC-36, "ABS Actuator
and Electric Unit (Con-
trol Unit) Power Supply
and Ground Circuit"
STOP LAMP SW
Brake pedal operation
Brake pedal depressed
ON
–
Brake pedal not depressed
OFF
ABS WARN LAMP
ABS warning lamp ON
condition (Note 2)
ABS warning lamp ON
ON
–
ABS warning lamp OFF
OFF
MOTOR RELAY
Operation status of
motor and motor relay
Ignition switch ON or engine
running (ABS not operated)
OFF
BRC-35, "Actuator Motor,
Motor Relay, and Circuit"
Ignition switch ON or engine
running (ABS operated)
ON
ACTUATOR RLY
Actuator relay opera-
tion status
Vehicle stopped (Ignition
switch ON)
OFF
BRC-35, "Actuator Motor,
Motor Relay, and Circuit"
Vehicle stopped (Engine run-
ning)
ON
FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL
Solenoid valve opera-
tion
Actuator (solenoid) is active
(“ACTIVE TEST” with CON-
SULT-II) or actuator relay is
inactive (in fail-safe mode).
ON
BRC-33, "Solenoid Valve
Circuit"
When actuator (solenoid) is
not active and actuator relay is
active (ignition switch ON).
OFF
ABS FAIL SIG
EBD FAIL SIG
Fail signal status
ABS fail
EBD fail
ON
ABS system
EBD system
EBD normal
ABS normal
OFF
DECEL G-SEN
Longitudinal accelera-
tion detected by Decel
G-Sensor
Vehicle stopped
Approx. 0 G
Vehicle running
-1.7 - +1.7 G
EBD WARN LAMP
Brake warning lamp on
condition (Note 3)
Brake warning lamp ON
ON
–
Brake warning lamp OFF
OFF
EBD SIGNAL
EBD operation
EBD active
ON
EBD not active
OFF
ABS SIGNAL
ABS operation
ABS active
ON
ABS not active
OFF
BRC-20
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
CONSULT- II Functions (ABS)
NFS000FG
CONSULT-II MAIN FUNCTION
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II SETTING PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication.
●
For further information, see the CONSULT-II Operation Manual.
1.
Turn ignition switch “OFF”.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to data
link connector on vehicle.
3.
Turn ignition switch “ON”.
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “ABS”.
If “ABS” is not indicated, go to
Diagnostic test mode
Function
Reference
SELF-DIAG RESULTS
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.
CAN DIAG SUPPORT MNTR
The results of transmit/receive diagnosis of communication can be
read.
ACTIVE TEST
Diagnostic Test Mode in which CONSULT-II drives some actuators
apart from the ABS actuator and electric unit (control unit) and also
shifts some parameters in a specified range.
FUNCTION TEST
This mode is used to inform customers when their vehicle condition
requires periodic maintenance.
—
ECU PART NUMBER
ABS actuator and electric unit (control unit) part number can be read.
PBIB1300E
BCIA0029E
BCIA0030E
TROUBLE DIAGNOSIS
BRC-21
[ABS]
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6.
Select the required diagnostic location from the “SELECT DIAG
MODE” screen.
BCIA0031E
BRC-22
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
SELF-DIAG RESULT MODE
Description
If an error is detected in system, ABS warning lamp and brake warning lamp on combination meter turns on. In
this case, perform self-diagnosis as follows.
Operation Procedure
1.
Perform “CONSULT-II SETTING PROCEDURE”. Refer to
BRC-20, "CONSULT-II SETTING PROCE-
2.
Start engine and drive at approximately 30 km/h (19 MPH) or more for approximately 1 minute.
3.
Stop vehicle. With engine at idle, touch “SELF-DIAG RESULTS”. Display shows malfunction experienced
since the last erasing operation.
CAUTION:
Just after starting engine, or turning ignition switch ON, “ABS” may not be displayed on system
selection screen even if “START (NISSAN BASED VHCL)” is touched. In this case, start self-diag-
nosis again from step 2. If it cannot be shown after several attempts, ABS actuator and electric
unit (control unit) may have malfunctioned. Repair or replace control unit.
4.
Self-diagnosis results are displayed. (If necessary, touch “PRINT” to print self-diagnosis result.)
●
When “NO FAILURE” is shown, check ABS warning lamp. Refer to
BRC-28, "For Fast and Accurate
.
●
CONSULT-II self-diagnosis results are displayed without regard to occurrence timing. In some cases
later ones (timing value is small) appear on next screen.
5.
Go to appropriate “Inspection” chart according to “Display Item List”, and repair or replace as necessary.
6.
Start engine and drive at approximately 30 km/h (19 MPH) or more for approximately 1 minute.
CAUTION:
●
Check again to make sure that there is no malfunction on other parts.
Display Item List
Items (CONSULT-II screen terms)
Malfunction detecting condition
Check item
FR LH SENSOR-1
[C1104]
Circuit of front LH wheel sensor is open, or shorted or sensor
power voltage is unusual.
(Note 1)
RR RH SENSOR-1
[C1101]
Circuit of rear RH wheel sensor is open, or shorted or sensor
power voltage is unusual.
FR RH SENSOR-1
[C1103]
Circuit of front RH wheel sensor is open, or shorted or sensor
power voltage is unusual.
RR LH SENSOR-1
[C1102]
Circuit of rear LH wheel sensor is open, or shorted or sensor power
voltage is unusual.
FR LH SENSOR-2
[C1108]
ABS actuator and electric unit (control unit) can not identify sensor
pulses, because of large gap between wheel sensor and sensor
rotor.
RR RH SENSOR-2
[C1105]
ABS actuator and electric unit (control unit) can not identify sensor
pulses, because of large gap between wheel sensor and sensor
rotor.
FR RH SENSOR-2
[C1107]
ABS actuator and electric unit (control unit) can not identify sensor
pulses, because of large gap between wheel sensor and sensor
rotor.
RR LH SENSOR-2
[C1106]
ABS actuator and electric unit (control unit) can not identify sensor
pulses, because of large gap between wheel sensor and sensor
rotor.
TROUBLE DIAGNOSIS
BRC-23
[ABS]
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Note 1: After completing repairs of shorted sensor circuit, when ignition switch is turned ON, ABS warning
lamp turns on. Make sure that ABS warning lamp turns off while driving vehicle at approximately 30 km/h (19
MPH) or more for approximately 1 minute according to self-diagnosis procedure. In addition, if wheel sensor 2
is displayed for wheels, check wheel sensor circuit and also check control unit power voltage.
Note 2: When errors are detected in several systems, including CAN communication system [U1000], trouble-
shoot CAN communication system.
How to Erase Self-Diagnostic Results
1.
Perform applicably inspection of malfunctioning item and then repair or replace.
2.
Start engine and drive at 30 km/h (19 MPH) or more for approx. 1 minute.
3.
Turn ignition switch “OFF” to erase memory.
4.
Start engine and select “SELF-DIAG RESULTS” mode for “ABS” with CONSULT-II.
5.
Touch “ERASE” on CONSULT-II screen to erase memory.
FR LH IN ABS SOL
[C1120]
Circuit of front LH IN ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
BRC-33, "Solenoid Valve
Circuit"
FR LH OUT ABS SOL
[C1121]
Circuit of front LH OUT ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
RR RH IN ABS SOL
[C1126]
Circuit of rear RH IN ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
RR RH OUT ABS SOL
[C1127]
Circuit of rear RH OUT ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
FR RH IN ABS SOL
[C1122]
Circuit of front RH IN ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
FR RH OUT ABS SOL
[C1123]
Circuit of front RH OUT ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
RR LH IN ABS SOL
[C1124]
Circuit of rear LH IN ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
RR LH OUT ABS SOL
[C1125]
Circuit of rear LH OUT ABS solenoid is open or shorted, or control
line is open or shorted to power supply or ground.
PUMP MOTOR (Note 2)
[C1111]
During actuator motor operation with ON, when actuator motor
turns OFF or when control line for actuator motor relay is open.
BRC-35, "Actuator Motor,
Motor Relay, and Circuit"
During actuator motor operation with OFF, when actuator motor
turns ON or when control line for relay is shorted to ground.
ABS SENSOR
[ABNORMAL]
[C1115]
Wheel sensor input is malfunction.
(Note 1)
BATTERY VOLTAGE
[ABNORMAL]
[C1109]
ABS actuator and electric unit (control unit) power voltage is too
low.
BRC-36, "ABS Actuator
and Electric Unit (Control
Unit) Power Supply and
Ground Circuit"
CONTROLLER FAILURE
[C1110]
Internal malfunction of ABS actuator and electric unit (control unit)
BRC-33, "ABS Actuator
and Electric Unit (Control
Unit)"
G - SENSOR
[C1113] (Only AWD models)
Decel G sensor is malfunctioning, or signal line of Decel G- sensor
is open or shorted.
CAN COMM CIRCUIT
[U1000]
●
CAN communication line is open or shorted.
●
ABS actuator and electric unit (control unit) internal malfunction
●
Battery voltage for EMC is suddenly interrupted for approxi-
mately 0.5 seconds or more.
BRC-34, "CAN Communi-
cation Circuit"
(Note 2)
ACTUATOR RLY
[C1140]
●
Actuator solenoid valve relay is ON, even if control unit sends off
signal.
●
Actuator solenoid valve relay is OFF, even if control unit sends
on signal.
–
Items (CONSULT-II screen terms)
Malfunction detecting condition
Check item
BRC-24
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
CAUTION:
If memory cannot be erased, perform applicably diagnosis.
6.
Drive at 30 km/h (19 MPH) or more for approx. 1 minute. Be sure ABS warning lamp. stay OFF.
DATA MONITOR MODE
Operation Procedure
1.
Perform “CONSULT-II SETTING PROCEDURE”. Refer to
BRC-20, "CONSULT-II SETTING PROCE-
2.
Touch “DATA MONITOR”.
3.
Select from “SELECT MONITOR ITEM”, screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed at real time.
Display Item List
×
: Applicable
−
: Not applicable
Data monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
FR RH SENSOR (km/h)
×
×
×
Wheel speed calculated by front RH
wheel sensor signal is displayed.
FR LH SENSOR (km/h)
×
×
×
Wheel speed calculated by front LH
wheel sensor signal is displayed.
RR RH SENSOR (km/h)
×
×
×
Wheel speed calculated by rear RH
wheel sensor signal is displayed.
RR LH SENSOR (km/h)
×
×
×
Wheel speed calculated by real LH
sensor signal is displayed.
BATTERY VOLT (V)
×
×
×
Voltage supplied to ABS actuator
and electric unit (control unit) is dis-
played.
STOP LAMP SW (ON/OFF)
×
×
×
Stop lamp switch (ON/OFF) status is
displayed.
ABS WARN LAMP (ON/OFF)
–
×
×
ABS warning lamp (ON/OFF) status
is displayed.
FR LH IN SOL (ON/OFF)
–
×
×
Front LH IN ABS solenoid (ON/OFF)
status is displayed.
FR LH OUT SOL (ON/OFF)
–
×
×
Front LH OUT ABS solenoid (ON/
OFF) status is displayed.
RR RH IN SOL (ON/OFF)
–
×
×
Rear RH IN ABS solenoid (ON/OFF)
status is displayed.
RR RH OUT SOL (ON/OFF)
–
×
×
Rear RH OUT ABS solenoid (ON/
OFF) status is displayed.
FR RH IN SOL (ON/OFF)
–
×
×
Front RH IN ABS solenoid (ON/
OFF) status is displayed.
FR RH OUT SOL (ON/OFF)
–
×
×
Front RH OUT ABS solenoid (ON/
OFF) status is displayed.
RR LH IN SOL (ON/OFF)
–
×
×
Rear LH IN ABS solenoid (ON/OFF)
status is displayed.
RR LH OUT SOL (ON/OFF)
–
×
×
Rear LH OUT ABS solenoid (ON/
OFF) status is displayed.
MOTOR RELAY (ON/OFF)
–
×
×
ABS motor relay signal (ON/OFF)
status is displayed.
ACTUATOR RLY (ON/OFF)
–
×
×
ABS actuator relay signal (ON/OFF)
status is displayed.
TROUBLE DIAGNOSIS
BRC-25
[ABS]
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Revision: 2006 August
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NOTE:
Serves as EBD warning lamp.
ABS FAIL SIG (ON/OFF)
–
–
×
ABS fail signal (ON/OFF) status is
displayed.
EBD FAIL SIG (ON/OFF)
–
–
×
EBD fail signal (ON/OFF) status is
displayed.
EBD SIGNAL (ON/OFF)
–
–
×
EBD operation (ON/OFF) status is
displayed.
ABS SIGNAL (ON/OFF)
–
–
×
ABS operation (ON/OFF) status is
displayed.
DECEL G SEN (G)
(Only AWD models)
×
×
×
Decel acceleration detected by
Decel G-sensor is displayed.
EBD WARN LAMP (ON/OFF)
–
–
×
Brake warning lamp (ON/OFF) sta-
tus is displayed. (Note)
Data monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
BRC-26
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
ACTIVE TEST
CAUTION:
●
Do not perform active test while driving vehicle.
●
Make sure to completely bleed air from brake system.
●
Active test can not be performed when ABS warning lamp is on.
●
ABS warning lamp and Brake warming lamp turn on during active test.
Operation Procedure
1.
Perform “CONSULT-II SETTING PROCEDURE”. Refer to
BRC-20, "CONSULT-II SETTING PROCE-
2.
Touch “ACTIVE TEST”.
3.
Test item selection screen is displayed.
4.
Touch necessary test item.
5.
With “SELECT TEST SIGNALS” display shown in reverse, touch
“START”.
6.
“ACTIVE TEST” screen will be displayed, so conduct following
test.
Solenoid Valve
CAUTION:
The example shown is for the front right wheel. The procedure for the other wheels is the same as
given below.
1.
For ABS solenoid valve, touch “UP”, “KEEP”, and “DOWN”.
Then use screen monitor to check that solenoid valve operates
as shown in Solenoid Valve Operation Chart. Refer to “Solenoid
Valve Operation Chart”.
Solenoid Valve Operation Chart
*: ON for 1 to 2 seconds after the touch, and then OFF
NOTE:
●
When active test is performed while depressing pedal, pedal depression amount will change, but this is
normal.
SFIA1802E
SFIA0678E
Operation
ABS solenoid valve
UP
KEEP
DOWN
FR RH IN SOL
OFF
ON
ON
FR RH OUT SOL
OFF
OFF
ON*
FR LH IN SOL
OFF
ON
ON
FR LH OUT SOL
OFF
OFF
ON*
RR RH IN SOL
OFF
ON
ON
RR RH OUT SOL
OFF
OFF
ON*
RR LH IN SOL
OFF
ON
ON
RR LH OUT SOL
OFF
OFF
ON*
TROUBLE DIAGNOSIS
BRC-27
[ABS]
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●
Approximately 10 seconds after operation is begun, “TEST STOP” will be displayed.
●
To perform retest after “TEST STOP” is displayed, touch “BACK” and conduct the test from Step 6.
ABS Motor
Touch “ON”, “OFF” on display screen and make sure ABS motor
relay is operating as shown in table below.
NOTE:
●
When active test is performed while depressing pedal, pedal
depression amount will change, but this is normal.
●
Approximately 10 seconds after operation has begun, “TEST
STOP” will be displayed.
●
To perform a retest after “TEST STOP” is displayed, touch “BACK” and perform test from step 6.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) PART NUMBER
Ignore the ABS actuator and electric unit (control unit) part number displayed in the “ECU PART NUMBER”.
Refer to parts catalog to order the ABS actuator and electric unit (control unit).
Trouble Diagnosis Chart for Symptoms
NFS000KM
If ABS warning lamp, turn ON, perform self-diagnosis. Refer to
BRC-22, "SELF-DIAG RESULT MODE"
Operation
ON
OFF
ABS motor relay
ON
OFF
ABS actuator relay
ON
ON
SFIA0593E
Symptom
Check item
Reference Page
Excessive ABS function operation frequency
Brake force distribution
Looseness of front and rear axle
Wheel sensor and rotor system
Unexpected pedal reaction
Brake pedal stroke
Make sure the braking force is sufficient when the ABS is not
operating.
The braking distance is long
Check stopping distance when the ABS is not operating.
ABS function does not operate
Wheel sensor
The ABS does not operate when the speed is 10 km/h (6 MPH)
or less.
Pedal vibration or ABS operation sound occurs
Wheel sensor
When brake pedal is lightly depressed (just place a foot on it),
ABS is activated and vibration is felt. However this is normal,
ABS warning lamp indication is not normal
CAN communication line
ABS actuator and electric unit (control unit)
Combination meter
BRC-28
[ABS]
TROUBLE DIAGNOSIS
Revision: 2006 August
2006 Murano
For Fast and Accurate Diagnosis
NFS000FH
PRECAUTIONS FOR DIAGNOSIS
●
Before performing trouble diagnosis, always read general information (GI) to confirm general precautions.
Refer to
●
After completing service, always erase self-diagnosis results. Refer to
BRC-20, "CONSULT- II Functions
●
When inspection of continuity or voltage between units is performed, check connector terminals for dis-
connection, looseness, bends, or collapses. If any non-standard condition is detected, repair or replace
applicable part.
●
Intermittent errors may be caused by a poor connection in harness, connector, or terminal. Move har-
nesses, harness connectors, or terminals by hand to make sure all connections are solid and undamaged.
●
If a circuit tester is used for check, be careful not to forcibly extend any connector terminal.
●
ABS is a system that uses electronic control to perform brake control. Therefore, phenomena like those
shown in the following table may occur, but this is because system is working normally.
●
To use CONSULT-II to perform self-diagnosis of ABS actuator and electric unit (control unit), active tests,
or work support, first stop work, then connect CONSULT-II and select “ABS”.
●
When CONSULT-II is used, ABS warning lamp may be ON/OFF.
Symptom
Symptom description
Result
Motor operation noise
This is the noise of motor operating inside ABS actuator and electric unit
(control unit). Slight noise may occur during ABS operation.
Normal
Just after the engine starts, the motor operating noise may be heard. This is
a normal status of the system operation check.
System operation check
noise
When the engine is started, you may barely be able to hear a slight thudding
sound from the engine room, but this sound is made by the system operation
check and is normal.
Normal
ABS operation (longer stop-
ping distance)
Stopping distance may be longer for vehicles with ABS when the vehicle
drives on rough or snow-covered roads. Use lower speeds when driving on
these kinds of roads.
Normal
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