Nissan Rogue Service Manual: 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-diagnosis.
Is any DTC detected? YES >> Check the DTC. Refer to STC-13, "DTC Index".
NO >> GO TO 2.
2.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while the engine is started.
Does the EPS warning lamp turn OFF? YES >> GO TO 3.
NO >> Refer to STC-28, "Diagnosis Procedure".
3.CHECK STEERING COLUMN AND STEERING GEAR
Check the steering column assembly and steering gear assembly.
- Steering column assembly. Refer to ST-9, "Inspection".
- Steering gear assembly. Refer to ST-10, "Inspection".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace the specific malfunctioning part.
4.CHECK EPS CONTROL UNIT SIGNAL (1)
With CONSULT
- Start the engine.
CAUTION: Never drive the vehicle.
- Turn steering wheel from full left stop to full right stop.
- Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” maintain “100%”? YES >> GO TO 7.
NO >> GO TO 5.
5.CHECK EPS CONTROL UNIT SIGNAL (2)
With CONSULT
Select “BATTERY VOLT” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” indicate “10.5 V” or more? YES >> GO TO 6.
NO >> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to STC-20, "Diagnosis Procedure".
6.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%” or less.
NOTE: While stopping the EPS system, do not turn steering wheel.
- Check that the symptom continues.
Dose the symptom continue? YES >> GO TO 7.
NO >> The assist torque decreases because of protection function. This is not malfunction. Inspection End.
7.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”.
- Perform the torque sensor inspection.
Is the inspection result normal? YES >> GO TO 9.
NO >> GO TO 8.
8.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-24, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 9.
NO >> Repair or replace the specific malfunctioning part.
9.CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to ST-7, "Inspection".
Is the inspection result normal? YES >> Inspection End.
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to ST-7, "Inspection".
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 i ...
Removal and installation
EPS CONTROL UNIT
Removal and Installation
CAUTION:
Disconnect the battery negative terminal before removing the EPS control unit.
The EPS control unit is an integral part of the steering column. I ...
Other materials:
Under cover
Exploded View
Floor under cover (RH)
Engine under cover
Floor under cover (LH)
ENGINE UNDER COVER
ENGINE UNDER COVER : Removal and Installation
REMOVAL
Remove engine under cover clips.
Remove engine under cover.
INSTALLATION
Installation is in the reverse ord ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...
Uniform tire quality grading
DOT (Department of Transportation) Quality
Grades: All passenger car tires must conform to
federal safety requirements in addition to these
grades.
Quality grades can be found where applicable on
the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 ...
