Nissan Murano Z50 (2003 year). Manual

TROUBLE DIAGNOSIS

BRC-117

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

Note 1: After completing repairs of shorted sensor circuit, when ignition switch is turned ON, ABS warning lamp turns on. Check that
ABS warning lamp turns off while driving vehicle at approximately 30 km/h (19 MPH) for approximately 1 minute according to self-diag-
nosis procedure. In addition, if wheel sensor 2 is displayed for wheels, check wheel sensor circuit and also check control unit power volt-
age.
Note 2. If multiple malfunctions are detected including CAN communication line [U1000], perform diagnosis for CAN communication line
first.

CAN COMM CIRCUIT
[U1000]

●

CAN communication line is open or shorted.

●

ABS actuator and electric unit (control unit) internal malfunc-
tion

●

Battery voltage for EMC is suddenly interrupted for approxi-
mately 0.5 seconds or more.

BRC-139, "Inspection 13
CAN Communication
System"

(Note 2)

BR FLUID LEVEL LOW
[C1155]

Brake fluid level drops or circuit between ABS actuator and elec-
tric unit (control unit) and brake fluid level switch is open or
shorted.

BRC-138, "Inspection 11
Brake Fluid Level Sensor
System"

VARIANT CODING
[C1170]

V coding is not functioning.

ABS actuator and elec-
tric unit (control unit) and
circuit

G - SENSOR
[C1113]

Decel G sensor is malfunctioning, or signal line of Decel G sen-
sor is open or shorted.

BRC-132, "Inspection 6
Yaw Rate/Side/Decel G
sensor System"

ENGINE SIGNAL 1
[C1130]

Based on the signal from ECM, ABS actuator and electric unit
(control unit) judges that engine fuel cut system is malfunction-
ing.

–

ENGINE SIGNAL 2
[C1131]

Based on the signal from ECM, ABS actuator and electric unit
(control unit) judges that engine ETC system is malfunctioning.

–

ENGINE SIGNAL 3
[C1132]

Based on the signal from ECM, ABS actuator and electric unit
(control unit) judges that engine CAN system is malfunctioning.

–

ENGINE SIGNAL 4
[C1133]

Based on the signal from ECM, ABS actuator and electric unit
(control unit) judges that engine torque down system is malfunc-
tioning.

–

ENGINE SIGNAL 6
[C1136]

Based on the signal from ECM, ABS actuator and electric unit
(control unit) judges that engine control system is malfunctioning.

–

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.

BRC-135, "Inspection 8
Actuator Motor, Motor
Relay, and Circuit"

DECEL G SEN SET
[C1160]

Neutral position correction of Decel G -sensor is not finished.

BRC-140, "Inspection 14
When “DECEL G SEN
SET” Appears on Self-
Diagnosis Results Dis-
play"

Self-diagnostic item

Malfunction detecting condition

Check system

BRC-118

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Revision; 2004 April

2003 Murano

DATA MONITOR
Operation Procedure

Touch “ABS”, “DATA MONITOR” in order on CONSULT-II screen.
If “ABS” is not indicated, go to

GI-38, "CONSULT-II Data Link Connector (DLC) Circuit"

CAUTION:

When “START (NISSAN BASED VHCL)” is touched immediately after starting engine or turning on
ignition switch, “ABS” might not be displayed in system selection screen. In this case, repeat the
operation from step 2.

Return to Monitor Item Selection screen, and touch “ECU INPUT SIGNALS”, “MAIN SIGNALS” or
“SELECTION FROM MENU”. Refer to following information.

When “START” is touched, data monitor screen is displayed.

Display Item List

Monitor item

Monitor item selection

Remarks

ECU INPUT

SIGNALS

MAIN

SIGNALS

SELECTION

FROM MENU

FR RH SENSOR
(km/h, MPH)

Wheel speed calculated by front
RH wheel sensor signal is dis-
played.

FR LH SENSOR
(km/h, MPH)

Wheel speed calculated by front
LH wheel sensor signal is dis-
played.

RR RH SENSOR
(km/h, MPH)

Wheel speed calculated by rear
RH wheel sensor signal is dis-
played.

RR LH SENSOR
(km/h, MPH)

Wheel speed calculated by rear
LH wheel sensor signal is dis-
played.

BATTERY VOLT
(V)

Voltage supplied to ABS actuator
and electric unit (control unit).

SLCT LVR POSI

Shift position judged by CVT PNP
switch signal.

ACCEL POS SIG
(%)

–

Throttle valve open/close status
judged by CAN communication
signal is displayed.

ENGINE SPEED
(rpm)

Engine speed judged by CAN
communication signal is displayed.

STR ANGLE SIG
(deg)

–

Steering angle detected by steer-
ing angle sensor is displayed.

YAW RATE SEN
(d/s)

–

Yaw rate detected by yaw rate side
G sensor is displayed.

DECEL G SEN
(G) (Only AWD model)

Decel acceleration detected by
Decel G sensor is displayed.

SIDE G-SENSOR

(m/s

)

–

Lateral acceleration detected by
yaw rate/side G sensor is dis-
played.

PRESS SENSOR
(bar)

–

Brake fluid pressure detected by
pressure sensor is displayed.

STOP LAMP SW
(ON/OFF)

Stop lamp switch (ON/OFF) status
is displayed.

OFF SW
(ON/OFF)

VDC OFF switch (ON/OFF) sta-
tus is displayed.

ABS WARN LAMP
(ON/OFF)

–

ABS warning lamp (ON/OFF) sta-
tus is displayed.

SLIP LAMP
(ON/OFF)

–

SLIP indicator lamp (ON/OFF) sta-
tus is displayed.

TROUBLE DIAGNOSIS

BRC-119

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

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.

OFF LAMP
(ON/OFF)

–

OFF Lamp (ON/OFF) status is dis-
played.

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.

CV1
(ON/OFF)

–

Front side switch-over solenoid
valve (cut valve 1) (ON/OFF) sta-
tus is displayed.

CV2
(ON/OFF)

–

Rear side switch-over solenoid
valve (cut-valve 2) (ON/OFF) sta-
tus is displayed.

SV1
(ON/OFF)

–

Front side switch-over solenoid
valve (suction valve 1) (ON/OFF)
status is displayed.

SV2
(ON/OFF)

–

Rear side switch-over solenoid
valve (suction valve 2) (ON/OFF)
status is displayed.

VDC FAIL SIG
(ON/OFF)

–

VDC fail signal (ON/OFF) status is
displayed.

TCS FAIL SIG
(ON/OFF)

–

TCS fail signal (ON/OFF) status is
displayed.

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.

FLUID LEV SW
(ON/OFF)

–

Brake fluid level switch (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.

TCS SIGNAL
(ON/OFF)

–

TCS operation (ON/OFF) status is
displayed.

VDC SIGNAL
(ON/OFF)

–

VDC operation (ON/OFF) status is
displayed.

Monitor item

Monitor item selection

Remarks

ECU INPUT

SIGNALS

MAIN

SIGNALS

SELECTION

FROM MENU

BRC-120

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Revision; 2004 April

2003 Murano

: Applicable

–: Not applicable
Note: Serves as EBD warning lamp.

ACTIVE TEST

CAUTION:

●

Do not perform active test while driving vehicle.

●

Make sure to completely bleed air from the brake system.

●

Active test cannot be performed when ABS warning lamp is on.

●

ABS and brake warning lamps turn on during the active test.

Operation Procedure

Touch “ABS”.
If “ABS” is not indicated, go to

GI-38, "CONSULT-II Data Link Connector (DLC) Circuit"

Touch “ACTIVE TEST”.

Test item selection screen is displayed.

Touch necessary test item.

With “SELECT TEST SIGNALS” display shown in reverse, touch “START”.

“ACTIVE TEST” screen will be displayed, so conduct following test.

Test Item

Solenoid valve

CAUTION:

The example shown is for front right wheel. The procedure for the other wheels is the same as given
below.

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”.

EBD WARN LAMP
(ON/OFF)

–

Brake warning lamp (ON/OFF)
status is displayed. (Note)

CRANKING SIG
(ON/OFF)

–

Cranking condition (ON/OFF) sta-
tus is displayed.

4WD FAIL REQ
(ON/OFF)

–

AWD fail-safe signal (ON/OFF)
status is displayed.

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

–

Distinguish 2WD and AWD

Monitor item

Monitor item selection

Remarks

ECU INPUT

SIGNALS

MAIN

SIGNALS

SELECTION

FROM MENU

LBR379

SFIA0678E

TROUBLE DIAGNOSIS

BRC-121

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

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.

●

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 the Step 6.

ABS Motor

Touch “ON” and “OFF” on the screen. Make suer ABS motor relay
operates 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 is begun, “TEST
STOP” will be displayed.

●

To perform retest after “TEST STOP” is displayed, touch “BACK” and conduct the test from the Step 6.

Operation

ABS solenoid valve

ABS solenoid valve (ACT)

KEEP

DOWN

ACTUATOR

KEEP

FR RH IN SOL

OFF

FR RH OUT SOL

OFF

ON*

OFF

FR LH IN SOL

OFF

FR LH OUT SOL

OFF

ON*

OFF

RR RH IN SOL

OFF

RR RH OUT SOL

OFF

ON*

OFF

RR LH IN SOL

OFF

RR LH OUT SOL

OFF

ON*

OFF

Primary side VDC switch over
valve 1 (SV 1)

OFF

ON*

OFF

Primary side VDC switch over
valve 1 (CV 1)

OFF

Secondary side VDC switch
over valve 2 (SV 2)

OFF

ON*

OFF

Secondary side VDC switch
over valve 2 (CV 2)

OFF

Operation

OFF

ABS actuator relay

ABS motor relay

OFF

SFIA0593E

BRC-122

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Revision; 2004 April

2003 Murano

For Fast and Accurate Diagnosis

AFS00202

PRECAUTIONS FOR DIAGNOSIS

●

Before performing diagnosis, always read precautions. Refer to

GI-4, "General Precautions"

●

If ABS actuator and electric unit (control unit), steering angle sensor, steering system parts, suspension
system parts, or tires have been replaced, or if alignment has been adjusted, be sure to adjust neutral
position of steering angle sensor before driving. Refer to

BRC-70, "Adjustment of Steering Angle Sensor

Neutral Position"

●

After diagnosis is finished, be sure to erase memory. Refer to

BRC-114, "Operation Procedure"

●

When checking continuity and voltage between units, be sure to check for disconnection, looseness,
bend, or collapse of connector terminals. If any malfunction is found, repair or replace connector termi-
nals.

●

For intermittent symptoms, possible cause is malfunction in harness, harness connector, or terminals.
Move harness, harness connector, and terminals to check for poor connections.

●

If a circuit tester is used for the check, be careful not to forcibly extend any connector terminal.

●

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”.

●

While self-diagnosis results of CONSULT-II shows malfunction, if CONSULT-II active test is performed, an
engine system error may be indicated. In this case, start engine to resume the normal screen.

●

VDC/TCS/ABS system electronically controls brake operation and engine output. The following symptoms
may be caused by normal operations:

●

When CONSULT-II is used, ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp may be
ON/OFF.

Symptom

Symptom description

Result

Motor operation noise

This is noise of motor inside ABS actuator and electric unit (control unit).
Slight noise may occur during VDC, TCS, and ABS operation.

Normal

When the vehicle speed goes over 20 km/h (12.5 MPH), the motor and
valves operating noise may be heard. It happens only once after IGN
(ignition) is ON. This is a normal status of the system operation check.

System operation check
noise

When engine starts, slight “click” noise may be heard from engine com-
partment. This is normal and is part of system operation check.

Normal

VDC/TCS operation
(SLIP lamp Blinking)

TCS may activate momentarily if wheel speed changes when driving
over location where friction coefficient varies, when downshifting, or
when fully depressing accelerator pedal.

Normal
Cancel the VDC/TCS
function for the
inspection on a chas-
sis dynamometer.

For inspection of speedometer or other instruments, press
VDC OFF SW to turn VDC/TCS function off.

When accelerator pedal is depressed on a chassis dynamometer (fixed
front-wheel type), vehicle speed will not increase. This is not normal. It is
result of TCS being activated by stationary front wheels. Warning lamp
may also illuminate to indicate “sensor system error”. This is also nor-
mal, and is the result of the stationary front wheels being detected. To be
certain, restart engine, and drive vehicle at 30 km/h (19 MPH) or above.
Check that warning lamp does not illuminate.

ABS operation (Longer stop-
ping distance)

On roads with low friction coefficients, such as snowy roads or gravel
roads, vehicles with ABS may require a longer stopping distance. There-
fore, when driving on such roads, avoid overconfidence and keep speed
sufficiently low.

Normal

Insufficient feeling of accel-
eration

Depending on road conditions, driver may feel that feeling of accelera-
tion is insufficient. This is because traction control, which controls
engine and brakes to achieve optimal traction, has the highest priority
(for safety). As a result, there may be times when acceleration is slightly
less than usual for the same accelerator pedal operation.

Normal

TROUBLE DIAGNOSIS

BRC-123

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

ON and OFF Timing for ABS Warning Lamp, VDC OFF Indicator Lamp, and SLIP Indicator
Lamp

: ON

–: OFF

Basic Inspection

AFS00203

BASIC INSPECTION 1 BRAKE FLUID LEVEL, LEAKS, AND BRAKE PADS

Check fluid level in the brake reservoir tank. If fluid level is low, refill the brake fluid.

Check the brake piping and around the ABS actuator and electric unit (control unit) for leaks. If leakage or
seepage is found, check the following items.

●

If ABS actuator and electric unit (control unit) connection is loose, tighten the piping to the specified
torque and make sure there are no leaks.

●

If there is damage to the connection flare nut or ABS actuator and electric unit (control unit) screw,
replace the damaged part and re-conduct the leak inspection to make sure there are no leaks.

●

If there is leakage or seepage at any location other than ABS actuator and electric unit (control unit)
connection, wipe away leakage or seepage with clean cloth. Then inspect again and confirm the there
is on leakage.

●

If there is leakage from ABS actuator and electric unit (control unit), wipe away leakage or seepage with
clean cloth. Then inspect again. If there is leakage or seepage, replace ABS actuator and electric unit
(control unit).

CAUTION:

ABS actuator body cannot be disassembled.

Check brake disc and pads. Refer to

BR-28, "Removal and Installation of Brake Pad"

in “Front Disc

Brake” and

BR-34, "Removal and Installation of Brake Pad"

in “Rear Disc Brake”.

BASIC INSPECTION 2 POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION

Make sure the battery positive cable, negative cable and ground connection are not loose. If looseness is
detected, tighten the piping to the specified torquer. In addition, check the battery voltage to make sure it has
not dropped and the altimeter is normal.

BASIC INSPECTION 3 ABS WARNING LAMP, VDC OFF INDICATOR LAMP, SLIP INDICATOR
LAMP INSPECTION

Check that ABS warning lamp, VDC OFF indicator lamp (when VDC OFF switch is OFF), and SLIP indi-
cator lamp turns ON approximately 2 second when ignition switch is turned ON. If they do not, check the
VDC OFF indicator lamp and then VDC OFF switch. Refer to

BRC-141, "VDC OFF SWITCH"

. Check

CAN communications. Refer to

BRC-139, "Inspection 13 CAN Communication System"

. If there are no

errors with VDC OFF switch and CAN communication system, check ABS warning lamp, VDC OFF indi-
cator lamp, SLIP indicator lamp and combination meter. Refer to

DI-4, "COMBINATION METERS"

Make sure the lamp turns OFF approximately 2 second after ignition switch is turned ON. If the lamp does
not turn OFF, conduct self-diagnosis.

Condition

ABS warning

lamp

VDC OFF indica-

tor lamp

SLIP indicator

lamp

Remarks

Ignition SW OFF

–

—

For approx. 2 seconds after
ignition SW is turned ON

—

Approx. 2 seconds after igni-
tion switch ON

–

Turns OFF 2 seconds after igni-
tion SW is turned ON.

VDC OFF SW is turned ON.
(VDC/TCS function is OFF.)

–

—

There is an VDC/TCS/ABS
error.

—

There is an ABS actuator and
electric unit (control unit) error.
(Power or ground or system mal-
function)

When VDC/TCS is not func-
tioning normally.

–

—

TROUBLE DIAGNOSIS

BRC-125

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

Inspection 1 Wheel Sensor System

AFS00204

After using the CONSULT-II SELF-DIAG RESULTS to determine positions of malfunctioning wheel sensor,
check all areas to determine the component to be replaced.

CAUTION:

●

Do not measure the resistance value and also voltage between sensor terminal with tester etc.,
because e sensor is an active sensor.

●

Do not expand terminal of connector with a tester terminal stick, when it does the inspection with
the tester.

INSPECTION PROCEDURE

CHECK SELF-DIAGNOSIS RESULT

Check self-diagnosis results.

Is above displayed in self-diagnosis display items?

YES

>> GO TO 2.

>> Inspection END

CHECK CONNECTOR

Disconnect ABS actuator and electric unit (control unit) connector E24 and the malfunctioning wheel sen-
sor connector E20 (FR - LH) or E27 (FR - RH) or B202 (RR - LH), B203 (RR - RH). Check terminal to see
if it is deformed, disconnected, loose, etc., and repair or replace it if any malfunction condition is found.

Reconnect connectors and check that interference with other parts has not cut wheel sensor cables, drive
at a speed of 30 km/h (19 MPH) or above for at least 1minute, and conduct self-diagnosis.

OK or NG

>> Connector terminal contact is loose, damaged, open or shorted.

>> GO TO 3.

Self-diagnosis results

FR RH SENSOR-1,-2

FR LH SENSOR- 1,-2

RR RH SENSOR-1,-2

RR LH SENSOR-1,- 2

ABS SENSOR

SFIA0625E

BRC-126

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Revision; 2004 April

2003 Murano

CHECK WHEEL SENSOR HARNESS

Turn ignition switch OFF and disconnect the wheel sensor con-
nector E20 (FR - LH), E27 (FR - RH), B202 (RR - LH), B203 (RR
- RH) and ABS actuator and electric unit (control unit) connector
E24.

Check continuity between terminals. (Also check continuity
when steering wheel is turned right and left and when sensor
harness inside the wheel well is moved.)

OK or NG

>> GO TO 4.

>> Repair harness and connector between ABS actuator and electric unit (control unit) and wheel

sensor.

CHECK TIRE

Check air pressure, wear, and size.

Are air pressure, wear, and size within the standard values?

YES

>> GO TO 5.

>> Adjust air pressure, or replace tire.

CHECK SENSOR AND SENSOR ROTOR

●

Check condition of sensor mount (for looseness, etc.).

●

Check surface of front sensor rotor rubber for damage.

●

Check rear sensor rotor for damage.

OK or NG

>> GO TO 6.

>> Repair or replace the malfunctioning component.

PFIA0426E

Power system

Signal system

Ground system

Wheel

ABS actuator

and electric unit

(control unit)

Wheel sensor

ABS actuator

and electric unit

(control unit)

Wheel sensor

ABS actuator
and electric unit
(control unit)

ABS actuator

and electric unit

(control unit)

(Ground)

Front RH

34 (B)

1 (B)

33 (W)

2 (W)

33 (W), 34 (B)

16 (B), 47 (B)

Front LH

45 (G)

1 (G)

46 (R)

2 (R)

45 (G), 46 (R)

Rear RH

43 (LG)

1 (LG)

42 (V)

2 (V)

43 (LG), 42 (V)

Rear LH

36 (L)

1 (L)

37 (P)

2 (P)

36 (L), 37 (P)

Power system

: Continuity should exist.

Signal system

: Continuity should exits.

Ground system

: Continuity should not exist.

TROUBLE DIAGNOSIS

BRC-127

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

CHECK WHEEL SENSOR POWER SUPPLY CIRCUIT

Connect the wheel sensor connector E20 (FR - LH), E27 (FR -
RH), B202 (RR - LH), B203 (RR - RH) and ABS actuator and
electric unit (control unit) connector E24.

Turn on ignition switch and check the voltage between the
power supply terminal and the ground.

OK or NG

>> Replace wheel sensor.

>> Replace the ABS actuator and electric unit (control unit).

Inspection 2 Engine System

AFS00205

INSPECTION PROCEDURE

CHECK SELF-DIAGNOSIS RESULT

Check self-diagnosis results.

Is above displayed in self-diagnosis display items?

YES

>> GO TO 2.

>> Inspection END

CHECK ENGINE SYSTEM

Conduct an ECM self-diagnosis and repair or replace any malfunction items. Re-conduct the ECM self-
diagnosis.

Re-conduct ABS actuator and electric unit (control unit) self-diagnosis.

OK or NG

>> Inspection END

>> Repair or replace any malfunction items. Re-conduct self-diagnosis.

Voltage

Front RH

1 (B) - Ground

: 8 V or more

Front LH

1 (G) - Ground

: 8 V or more

Rear RH

1 (LG) - Ground

: 8 V or more

Rear LH

1 (L) - Ground

: 8 V or more

PFIA0427E

Self-diagnosis results

ENGINE SIGNAL 1

ENGINE SIGNAL 2

ENGINE SIGNAL 3

ENGINE SIGNAL 4

ENGINE SIGNAL 6

TROUBLE DIAGNOSIS

BRC-129

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

Inspection 4 Pressure Sensor System

AFS00207

INSPECTION PROCEDURE

CHECK SELF-DIAGNOSIS RESULT

Check self-diagnosis results.

Is above displayed in self-diagnosis display items?

YES

>> GO TO 2.

>> Inspection END

CHECK CONNECTOR

Disconnect pressure sensor connector E23 and ABS actuator and electric unit (control unit) connector
E24, check terminals for deformation, disconnection, looseness, and so on. If there is an error, repair or
replace terminal.

Reconnect connectors and Re-conduct ABS actuator and electric unit (control unit) self-diagnosis.

OK or NG

>> Connector terminal contact is loose, damaged, open or shorted.

>> GO TO 3.

CHECK PRESSURE SENSOR HARNESS

Turn ignition switch OFF and disconnect Pressure sensor con-
nector E23 and ABS actuator and electric unit (control unit) con-
nector E24.

Check continuity between ABS actuator and electric unit (control
unit) connector and pressure sensor connector.

OK or NG

>> GO TO 4.

>> If the open or short in harness, repair or replace harness.

Self-diagnosis results

PRESS SEN CIRCUIT

PFIA0458E

ABS actuator and electric

unit (control unit)

Pressure sensor

Continuity

19 (W/B)

1 (W/B)

Yes

20 (LG/R)

2 (LG/R)

Yes

18 (BR/Y)

3 (BR/Y)

Yes

TROUBLE DIAGNOSIS

BRC-131

[VDC/TCS/ABS]

BRC

Revision; 2004 April

2003 Murano

Inspection 5 Steering Angle Sensor System

AFS00208

INSPECTION PROCEDURE

CHECK SELF-DIAGNOSIS RESULT

Check self-diagnosis results.

Is above displayed in self-diagnosis item?

YES

>> GO TO 2.

>> Inspection END

CHECK CONNECTOR

Disconnect steering angle sensor connector M33 and ABS actuator and electric unit (control unit) connec-
tor E24 and check terminals for deformation, disconnection, looseness, and so on. If there is an error,
repair or replace terminal.

Reconnect connectors and Re-conduct a ABS actuator and electric unit (control unit) self-diagnosis.

OK or NG

>> Connector terminal contact is loose, damaged, open or shorted.

>> GO TO 3.

CHECK STEERING ANGLE SENSOR HARNESS

Check CAN communication system. Refer to

BRC-139, "Inspection 13 CAN Communication System"

Turn ignition switch OFF and disconnect steering angle sensor
connector M33 and ABS actuator and electric unit (control unit)
connector E24.

Check continuity between ABS actuator and electric unit (control
unit) connector terminal and steering angle sensor connector
terminal.

OK or NG

>> GO TO 4.

>> If the open or short in harness, repair or replace harness.

CHECK STEERING WHEEL PLAY

Check steering wheel play. Refer to

PS-8, "CHECKING STEERING WHEEL PLAY"

OK or NG

>> GO TO 5

>> Adjustment steering wheel play.

Self-diagnosis results

ST ANGLE SEN CIRCUIT

PFIA0459E

ABS actuator and electric unit (control

unit)

Steering angle sensor

Continuity

11 (L)

4 (L)

Yes

15 (Y)

5 (Y)

Yes

BRC-132

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Revision; 2004 April

2003 Murano

CHECK DATA MONITOR

Connect steering angle sensor and ABS actuator and electric unit (control unit) connectors.

Conduct “Data Monitor” of the “STEERING ANGLE SIGNAL” to check if the status is normal.

OK or NG

>> Re-conduct ABS actuator and electric unit (control unit) self-diagnosis.

>> Replace spiral cable (steering angle sensor) and adjust neutral position of steering angle sensor.

Refer to

BRC-70, "Adjustment of Steering Angle Sensor Neutral Position"

Inspection 6 Yaw Rate/Side/Decel G sensor System

AFS00209

CAUTION:

Sudden turns (such as spin turns, acceleration turns), drifting, etc. May cause yaw rate/side/decel G
sensor system indicate a problem. However this is not a problem if normal operation can be resumed
after restarting engine.

INSPECTION PROCEDURE

CHECK SELF-DIAGNOSIS RESULT

Check self-diagnosis results.

CAUTION:

When on a turntable, such as at a parking structure entrance, or when on a moving object with engine
running, the VDC OFF indicator lamp might turn on and self-diagnosis using the CONSULT-II yaw rate
sensor system malfunction might be displayed, but in this case there is no problem with yaw rate/side/
decel G sensor system. As soon as the vehicle leaves the turntable or moving object, restart engine to
return the system to normal.

Is above displayed in self-diagnosis display items?

YES

>> GO TO 2.

>> Inspection END

CHECK CONNECTOR

Disconnect yaw rate/side/decel G sensor connector M61 and ABS actuator and electric unit (control unit)
connector E24 and check terminals for deformation, disconnection, looseness, and so on. If there is an
error, repair or replace terminal.

Reconnect connectors and re-conduct a ABS actuator and electric unit (control unit) self-diagnosis.

OK or NG

>> Connector terminal contact is loose, damaged, open or shorted.

>> GO TO 3.

Steering condition

Data monitor

Straight-ahead

–3.5 deg to +3.5 deg

Turn wheel to the right by 90

Approx. - 90deg

Turn wheel to the left by 90

Approx.+ 90deg

Self-diagnosis results

YAW RATE SENSOR

SIDE G-SEN CIRCUIT

G-SENSOR

Nissan Murano Z50 (2003 year). Manual - part 56