2010 NISSAN LATIO turn signal

BRC-44
< SERVICE INFORMATION >[VDC/TCS/ABS]
SYSTEM DESCRIPTION
TCS Function
INFOID:0000000005612145
• Spinning of the drive wheels is detected by the A BS/TCS/VDC control unit using inputs from the wheel
speed sensors. If wheel spin occurs, the drive wheel right and left brake fluid pressure control and engine
fuel cut are conducted while the throttle value is restricted to reduce the engine torque and decrease the
amount of wheel spin. In addition, the throttle openi ng is controlled to achieve the optimum engine torque.
• Depending on road condition, the vehicle may have a sluggish feel. This is normal, because optimum trac- tion has the highest priority during TCS operation.
• TCS may be activated during sudden vehicle acceleration, wide open throttle acceleration, sudden transmis- sion shifts or when the vehicle is driven on a road with a varying surface friction coefficient.
• The SLIP indicator lamp flashes to inform the driver of TCS operation.
VDC FunctionINFOID:0000000005612146
• In addition to the ABS/TCS function, the driver steering amount and brake operation amount are detected
from the steering angle sensor, and the vehicle's drivi ng status (amount of under steering/over steering) is
determined using inputs from the yaw rate/side/decel G sensor, wheel speed sensors, etc. and this informa-
tion is used to improve vehicle stability by cont rolling the braking and engine torque application to the
wheels.
• The SLIP indicator lamp flashes to inform the driver of VDC operation.
• During VDC operation, the vehicle body and brake pedal may vibrate lightly and a mechanical noise may be
heard. This is normal.
• The ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp may turn on when the vehicle is
subject to strong shaking or large vibration, such as when the vehicle is on a turn table or a ship while the
engine is running or steep slope. In this case, rest art the engine on a normal road and if the ABS warning
lamp, VDC OFF indicator lamp and SLIP indicator lamp turn off, there is no problem.
Wheel SensorsINFOID:0000000005612147
The front sensor units consist of a gear-shaped sensor rotor and a
sensor element. The element contains a magnet around which a coil
is wound. The front wheel sensors are installed on the front of the
wheel knuckles. As the wheel rotates, the sensor generates a
square-wave signal. The frequency in creases as the wheel speed
increases.
The rear sensor units consist of w heel hubs with a series of internal
magnets and a sensor element. The rear wheel sensors are installed
on the inner side of the wheel knuckles. As the wheel rotates, the
sensor generates a square-wave signal. The frequency increases as
the wheel speed increases.
Fail-Safe FunctionINFOID:0000000005612148
ABS/EBD SYSTEM
In case of an electrical malfunction with the ABS, t he ABS warning lamp, VDC OFF indicator lamp and SLIP
indicator lamp will turn on. In case of an electrical malfunction with the EBD system, the BRAKE warning lamp,
ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp will turn on.
LBR333
WFIA0033E
Revision: January 20102010 Versa

TROUBLE DIAGNOSISBRC-57
< SERVICE INFORMATION > [VDC/TCS/ABS]
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• If there is damage to the connection flare nut or ABS actuator and electric unit (control unit) screw, replace the damaged part and recheck for leaks.
• When there is fluid leaking or seeping from a fluid connection, use a clean cloth to wipe off the fluid and
recheck for leaks. If fluid is still seeping out, replace the damaged part. If the fluid is leaking at the ABS
actuator and electric unit (control unit), replace the ABS actuator and electric unit (control unit) assem-
bly.
CAUTION:
The ABS actuator and electric unit (control unit) cannot be disassembl\
ed and must be replaced
as an assembly.
3. Check the brake pads for excessive wear.
POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION
Make sure the battery positive cable, negative cabl e and ground connection are not loose. In addition, make
sure the battery is sufficiently charged.
ABS WARNING LAMP, SLIP INDICATOR LAMP AND VDC OFF INDICATOR LAMP INSPECTION
1. Make sure ABS warning lamp, SLIP indicator lamp and VDC OFF indicator lamp (when VDC OFF switch
is off), turn on for approximately 2 seconds when the igni tion switch is turned ON. If they do not, check the
VDC OFF indicator lamp and then VDC OFF switch. Refer to BRC-79, "
Component Inspection". Check
CAN communications. If there are no errors with VDC OFF switch and CAN communication system,
check combination meter. Refer to DI-32, "
Component Inspection".
2. Make sure the lamps turn off approximately 2 seconds after the ignition switch is turned ON. If the lamp does not turn off, conduct self-diagnosis.
3. With the engine running, make sure VDC OFF indicator lamp turns on and off when VDC OFF switch is turned on and off. If the indicator lamp status does not correspond to switch operation, check the VDC
OFF switch system. Refer to BRC-79, "
Component Inspection".
4. Make sure ABS warning lamp, SLIP indicator lamp and VDC OFF indicator lamp turn off approximately 2 seconds after the engine is started. If ABS warning la mp, SLIP indicator lamp or VDC OFF indicator lamp
have not turned off 10 seconds after the engine has been started, conduct self-diagnosis of the ABS actu-
ator and electric unit (control unit).
5. After conducting the self-diagnosis, be sure to erase the error memory. Refer to BRC-60, "
CONSULT-III
Function (ABS)".
Warning Lamp and Indicator TimingINFOID:0000000005612156
×: ON –: OFF
Control Unit Input/Out put Signal StandardINFOID:0000000005612157
REFERENCE VALUE FROM CONSULT-III
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.
Condition ABS
warning lamp VDC OFF
indicator lamp SLIP
indicator lamp Remarks
When the ignition switch is OFF ––– –
After the ignition switch is turned
ON
For approx. 2 seconds ×××
–
Ignition switch ON
Approx. 2 seconds later ––– –
When the VDC OFF switch turns
ON (VDC function OFF). –
×––
ABS/TCS/VDC malfunction ×××
–
×× –When the ABS/TCS/VDC control
unit is malfunctioning (power sup-
ply or ground malfunction).
When the VDC is malfunctioning. –×× –
Revision: January 20102010 Versa

TROUBLE DIAGNOSISBRC-59
< SERVICE INFORMATION > [VDC/TCS/ABS]
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ACCEL POS SIG Open/close condition
of throttle valve (linked
with accelerator pedal)Accelerator pedal not de-
pressed (ignition switch is ON)
0%
BRC-79, "
CAN Commu-
nication System Inspec-
tion"Depress accelerator pedal (ig-
nition switch is ON) 0 to 100%
SIDE G-SENSOR Transverse G detected
by side G-sensorVehicle stopped
Approx. 0 m/s
2
BRC-70, "Yaw Rate/Side/
Decel G Sensor System
Inspection"
Vehicle turning rightnegative value (m/
s2)
Vehicle turning left positive value (m/
s
2)
STR ANGLE SIG Steering angle detect-
ed by steering angle
sensorStraight-ahead
Approx. 0°BRC-69, "
Steering Angle
Sensor System Inspec-
tion"Steering wheel turned –720 to 720 °
PRESS SENSOR Brake fluid pressure
detected by pressure
sensorWith ignition switch ON and
brake pedal released
Approx. 0 bar
BRC-77, "
Pressure Sen-
sor System Inspection"With ignition switch ON and
brake pedal depressed –40 to 300 bar
EBD SIGNAL EBD operation EBD is active
On
—
EBD is inactive Off
ABS SIGNAL ABS operationABS is active
On
—
ABS is inactive Off
TCS SIGNAL TCS operationTCS is active
On
—
TCS is inactive Off
VDC SIGNAL VDC operationVDC is active
On
—
VDC is inactive Off
EBD FAIL SIG EBD fail-safe signal In EBD fail safe mode On
—
EBD is normal Off
ABS FAIL SIG ABS fail-safe signal In ABS fail safe mode
On
—
ABS is normal Off
TCS FAIL SIG TCS fail-safe signal In TCS fail safe mode
On
—
TCS is normal Off
VDC FAIL SIG VDC fail-safe signal In VDC fail safe mode On
—
VDC is normal Off
CRANKING SIG Crank operation Crank is active
On
—
Crank is inactive Off
FLUID LEV SW Status of brake fluid
level switchWhen brake fluid level switch
ON
On
BRC-76, "
Brake Fluid
Level Switch System In-
spection"When brake fluid level switch
OFF Off
PARK BRAKE SW Status of parking brake
switchParking brake switch is active On
BRC-79, "
Component In-
spection"Parking brake switch is inactive Off
Monitor item Display content
Data monitor
Note: Error inspection
checklist
Condition Reference value in
normal operation
Revision: January 20102010 Versa

BRC-60
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Note 1: Confirm tire pressure is normal.
Note 2: On and Off timing for warning lamp and indicator lamp.
CONSULT-III Function (ABS)INFOID:0000000005612158
CONSULT-III can display each diagnostic item us
ing the diagnostic test modes shown following.
SELF-DIAGNOSIS
Description
If an error is detected in the system, the ABS warning lamp will turn on. In this case, perform self-diagnosis as
follows:
Operation Procedure
1. Turn ignition switch OFF.
2. Connect CONSULT-III To the data link connector.
3. Turn ignition switch ON.
4. Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.
5. After stopping the vehicle, with the engine running, t ouch “ABS”, “SELF-DIAG RESULTS” in order on the
CONSULT-III screen.
USV[FL-RR]
USV[FR-RL]
HSV[FL-RR]
HSV[FR-RL] VDC switch-over valve
statusWhen actuator (switch-over
valve) is active (“ACTIVE
TEST” with CONSULT-III) or
actuator relay is inactive (when
in fail-safe mode).
On
BRC-72, "
Solenoid and
VDC Change-Over Valve
System Inspection"
When actuator (switch-over
valve) is not active and actua-
tor relay is active (ignition
switch ON). Off
V/R OUPUT Solenoid valve relay
activatedWhen solenoid valve relay is
active (ignition switch OFF)
On
When solenoid valve relay is
not active (in fail-safe mode) Off
M/R OUTPUT Actuator motor and mo-
tor relay activatedWhen actuator motor and mo-
tor relay are active (“ACTIVE
TEST” with CONSULT-III)
On
BRC-73, "
Actuator Motor,
Motor Relay, and Circuit
Inspection"When actuator motor and mo-
tor relay are inactive Off
ENGINE RPM With engine running With engine stopped
0 rpm
BRC-68, "
Engine System
Inspection"Engine running Almost in accor-
dance with ta-
chometer display
Monitor item
Display content Data monitor
Note: Error inspection
checklist
Condition Reference value in
normal operation
ABS diagnostic mo de Description
WORK SUPPORT Supports inspection and adjustment
s. Commands are transmitted to the ABS actuator and electric unit
(control unit) for setting the status suitable for required operation, input/output signals are received from
the ABS actuator and electric unit (control unit) and received data is displayed.
SELF DIAGNOSTIC RESULT Displays ABS ac tuator and electric unit (control unit) self-diagnosis results.
DATA MONITOR Displays ABS actuator and electric unit (control unit) input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
FUNCTION TEST Conducted by CONS ULT-III instead of a technician to determine whether each system is "OK" or "NG".
ECU IDENTIFICATION ABS actuator and electric unit (control unit) part number can be read.
Revision: January 20102010 Versa

BRC-62
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
MAIN RELAY
[ C 111 4 ]During actuator relay OFF, when the actuator relay turns ON, or
when the control line for the relay is shorted to ground.
BRC-72, "Solenoid and
VDC Change-Over Valve
System Inspection"During actuator relay ON, when the actuator relay turns ON, or
when the control line for the relay is open.
ABS SENSOR
[ABNORMAL SIGNAL]
[ C 111 5 ] When wheel sensor input signal is malfunctioning. BRC-67, "
Wheel Sensor
System Inspection"
(NOTE 1)
STOP LAMP SW
[ C 111 6 ] Stop lamp switch or circuit malfunction. BRC-74, "
Stop Lamp
Switch System Inspec-
tion"
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-72, "
Solenoid and
VDC Change-Over Valve
System Inspection"
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.
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 con-
trol 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.
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.
ENGINE SIGNAL 1
[C1130] ECM judges th
e communication between ABS/TCS/VDC control
unit and ECM is abnormal.
BRC-68, "
Engine System
Inspection"
ENGINE SIGNAL 2
[C1131]ECM judges th
e communication between ABS/TCS/VDC control
unit and ECM is abnormal.
ENGINE SIGNAL 3
[C1132] ECM judges th
e communication between ABS/TCS/VDC control
unit and ECM is abnormal.
ENGINE SIGNAL 4
[C1133] ECM judges th
e communication between ABS/TCS/VDC control
unit and ECM is abnormal.
ENGINE SIGNAL 6
[C1136] ECM judges th
e communication between ABS/TCS/VDC control
unit and ECM is abnormal.
PRESS SEN CIRCUIT
[C1142] Pressure sensor signal line is open or shorted, or pressure sensor
is malfunctioning. BRC-77, "
Pressure Sen-
sor System Inspection"
ST ANGLE SEN CIRCUIT
[C1143]Neutral position of steering angle sensor is dislocated, or steering
angle sensor is malfunctioning.
BRC-69, "Steering Angle
Sensor System Inspec-
tion"ST ANGLE SEN SIGNAL
[C1144]Neutral position correction of steering angle sensor is not finished.
YAW RATE SENSOR
[C1145] Yaw rate sensor has generated an error, or yaw rate sensor signal
line is open or shorted.
BRC-70, "
Yaw Rate/
Side/Decel G Sensor
System Inspection"SIDE G-SEN CIRCUIT
[C1146]Lateral G-sensor is malfunctioning, or signal line of lateral G-sen-
sor is open or shorted.
Self-diagnostic item Malfunction detecting condition Check system
Revision: January 20102010 Versa

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
BRC-67
< SERVICE INFORMATION > [VDC/TCS/ABS]
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Wheel Sensor System InspectionINFOID:0000000005612159
INSPECTION PROCEDURE
1.CONNECTOR INSPECTION
Disconnect the ABS actuator and electric unit (control unit) connector E33 and wheel sensor of malfunctioning
code.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace as necessary.
2.CHECK WHEEL SENSOR OUTPUT SIGNAL
1. Connect ABS active wheel sensor tester (J- 45741) to wheel sensor using appropriate adapter.
2. Turn on the ABS active wheel sensor tester power switch.
NOTE:
The green POWER indicator should illuminate. If the POWER indicator does not illuminate, replace the
battery in the ABS active wheel sensor tester before proceeding.
3. Spin the wheel of the vehicle by hand and observe the red SENSOR indicator on the ABS active wheel
sensor tester. The red SENSOR indicator should flash on and off to indicate an output signal.
NOTE:
If the red SENSOR indicator illuminates but does not flash, reverse the polarity of the tester leads and
retest.
Does the ABS active wheel s ensor tester detect a signal?
YES >> GO TO 3.
NO >> Replace the wheel sensor. Refer to BRC-86, "
Removal and Installation".
3.CHECK TIRES
Check for inflation pressure, wear and size of each tire. Refer to WT-28, "
Tire".
Are tire pressure and size correct and is tire wear within specifications?
YES >> GO TO 4.
NO >> Adjust tire pressure or replace tire(s).
4.CHECK WHEEL BEARINGS
Check wheel bearing axial end play. Refer to FA X - 6 , "
On-Vehicle Inspection and Service" or RAX-6, "On-Vehi-
cle Inspection and Service".
OK or NG
OK >> GO TO 5.
NG >> Repair or replace as necessary. Refer to FAX-6, "
Removal and Installation" (front) or RAX-6,
"Removal and Installation" (rear).
5.CHECK WIRING HARNESS FOR SHORT CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connec- tor and wheel sensor connector of malfunction code No.
3. Check continuity between wheel sensor harness connector ter- minals and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair the circuit.
6.CHECK WIRING HARNESS FOR OPEN CIRCUIT Continuity should not exist.
WFIA0498E
Revision: January 20102010 Versa

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
BRC-69
< SERVICE INFORMATION > [VDC/TCS/ABS]
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Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.CHECK WHEEL SENSORS
Check all wheel sensors. Refer to BRC-67, "
Wheel Sensor System Inspection".
OK or NG
OK >> Replace ABS actuator and electric unit (control unit). Refer to BRC-89, "Removal and Installa-
tion".
NG >> Repair or replace as necessary.
Steering Angle Sensor System InspectionINFOID:0000000005612162
INSPECTION PROCEDURE
1.SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 3.
NO >> GO TO 2.
2.DATA MONITOR CHECK
Conduct “DATA MONITOR” of t he “STR ANGLE SIG” to check if the status is normal.
OK or NG
OK >> Inspection End.
NG >> GO TO 3.
3.CONNECTOR INSPECTION
1. Disconnect the ABS actuator and el ectric unit (control unit) and steering angle sensor connectors.
2. Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace as necessary.
4.CHECKING STEERING ANGLE SENSOR POWER AND GROUND
EMERGENCY BRAKE
VARIANT CODING
Self-diagnosis results
Self-diagnosis results
ST ANGLE SEN CIRCUIT ST ANGLE SEN SIGNAL
Steering condition Data monitor
Straight-ahead -2.5 ° to +2.5 °
Turn wheel 90 ° to the right. Approx. +90°
Turn wheel 90 ° to the left. Approx. -90°
Revision: January 20102010 Versa

BRC-72
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
2. Select “YAW RATE SEN”, “SIDE G-SENSOR” in “Data Monitor” and check Yaw rate/side/decel G sensor
signal.
Is the inspection result normal?
YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-89, "Removal and Installa-
tion".
NO >> Replace Yaw rate/side/decel G sensor. Refer to BRC-92, "
Removal and Installation".
Solenoid and VDC Change-Over Valve System InspectionINFOID:0000000005612164
INSPECTION PROCEDURE
1.SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.CONNECTOR INSPECTION
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check the terminals for deformati on, disconnection, looseness or damage.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace as necessary.
3.CHECKING SOLENOID POWER AND GROUND
Vehicle condition Yaw rate sensor (Data monitor) Side G sensor (Data monitor)
Stopped Approx. 0 d/s
Approx. 0 m/s
2
Turning right Negative valueNegative value
Turning left Positive valuePositive value
Self-diagnosis results
FR LH IN ABS SOL
FR LH OUT ABS SOL RR RH IN ABS SOL
RR RH OUT ABS SOL FR RH IN ABS SOL
FR RH OUT ABS SOL RR LH IN ABS SOL
RR LH OUT ABS SOL USV LINE [FL-RR]
USV LINE [FR-RL]
HSV LINE [FL-RR]
HSV LINE [FR-RL] MAIN RELAY
Revision: January 20102010 Versa