Nissan Sentra Service Manual: 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 is running.
Does the EPS warning lamp turn OFF? YES >> GO TO 2.
NO >> Refer to STC-33, "Diagnosis Procedure".
2.CHECK WHEEL ALIGNMENT
-
Check the wheel alignment. Refer to FSU-6, "Inspection".
-
Perform EPS self-diagnosis.
Is the inspection result normal? YES >> GO TO 3.
NO >> Adjustment of wheel alignment. Refer to FSU-6, "Inspection".
3.Check EPS control unit signal
With CONSULT
-
Start the engine.
CAUTION:
Never drive the vehicle.
-
Turn steering wheel from full left stop to full right stop.
-
Select DATA MONITOR of EPS and select TORQUE SENSOR.
-
Perform the torque sensor inspection.
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-27, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace the specific malfunctioning part.
5.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-5, "Inspection".
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.
...
Unbalance steering wheel turning force (torque variation)
Description
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
Perform EPS self- ...
Other materials:
P1805 Brake switch
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1805
BRAKE SW/CIRCUIT
(Brake switch circuit)
Stop lamp signal is not sent to ECM for extremely
long time while the vehicle is drivi ...
Trunk room lamp
Removal and Installation
Warning:
Do not touch bulb while it is lit or right after being turned off.
Burning may result.
Caution:
Do not touch glass surface of the bulb with bare hands or allow oil or
grease to get on it to prevent
damage to bulb.
Release the tab (b) to open the lens.
...
Handling precautions for plastics
Precautions for plastics
When repairing and painting a portion of the body adjacent to plastic
parts, consider their characteristics
(influence of heat and solvent) and remove them if necessary or take
suitable measures to protect them.
Plastic parts should be repaired and painted ...