Nissan Sentra Service Manual: Steering wheel turning force is heavy or light
Description
Steering wheel turning force is heavy or light.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
-
Turn the ignition switch OFF to ON.
-
Perform EPS self-diagnosis.
Is any DTC detected? YES >> Check the DTC. Refer to STC-14, "DTC Index".
NO >> GO TO 2.
2.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns OFF after the engine is started.
Is the inspection result normal? YES >> GO TO 3.
NO >> Perform trouble diagnosis of EPS warning lamp. Refer to STC-31, "Diagnosis Procedure".
3.CHECK EPS CONTROL UNIT SIGNAL (1)
With CONSULT
-
Start the engine.
CAUTION:
Never drive the vehicle.
-
Select ASSIST LEVEL in DATA MONITOR in EPS.
Dose the item in DATA MONITOR indicate 100%? YES >> GO TO 6.
NO >> GO TO 4.
4.CHECK EPS CONTROL UNIT SIGNAL (2)
With CONSULT
Select BATTERY VOLT in DATA MONITOR in EPS.
Dose the item in DATA MONITOR indicate 10 V or more? YES >> GO TO 5.
NO >> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to STC-22, "Diagnosis Procedure".
5.CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
-
Select ASSIST LEVEL in DATA MONITOR in EPS.
-
Stop the EPS system until the item in DATA MONITOR becomes 100%.
NOTE:
While stopping the EPS system, do not turn steering wheel.
-
Check that the symptom continues.
Dose the symptom continue? YES >> GO TO 6.
NO >> The assist torque decreases because of protection function. This is not malfunction. Inspection End.
6.Check EPS Control unit signal (4)
With CONSULT
-
Start the engine.
CAUTION:
Never drive the vehicle.
-
Turn steering wheel from full left stop to full right stop.
-
Select TORQUE SENSOR in DATA MONITOR in EPS.
Is the inspection result normal? YES >> GO TO 8.
NO >> GO TO 7.
7.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-27, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair or replace the specific malfunctioning part.
8.CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to ST-5, "Inspection".
Is the inspection result normal? YES >> Inspection End.
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to ST-8, "Inspection".
EPS warning lamp does not turn OFF
Description
EPS warning lamp does not turn OFF several seconds after engine
started.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
P ...
Unbalance steering wheel turning force and return between right
and left
Description
Unbalance steering wheel turning force and return between right
and left.
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine ...
Other materials:
B0092 Rear side air bag satellite sensor LH
Description
DTC B0092 REAR SATELLITE SENSOR LH
The rear side air bag satellite sensor LH is wired to the air bag diagnosis
sensor unit. The air bag diagnosis
sensor unit will monitor the rear side air bag satellite sensor LH for internal
failures and its circuits for communication
errors.
...
System description
Component parts
CVT CONTROL SYSTEM
CVT CONTROL SYSTEM : Component Parts Location
No.
Component
Function
1
ECM
Mainly transmits the following signal to TCM via CAN
communication.
Engine and CVT integrated control signal
NOTE:
General term for the c ...
Primary speed sensor
Exploded View
Transaxle assembly
O-ring
Primary speed sensor
: Always replace after every
disassembly.
: N m (kg-m, in-lb)
: Genuine NISSAN CVT Fluid NS-3
Removal and Installation
REMOVAL
Disconnect the primary speed sensor connector.
Remove the primary speed sensor.
...
