Nissan Rogue. Manual — part 1151
STC-34
< SYMPTOM DIAGNOSIS >
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIA-
TION)
Description
INFOID:0000000011279673
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
INFOID:0000000011279674
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “Self Diagnostic Result” for “EPS”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
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
.
3.
CHECK STEERING COLUMN AND STEERING GEAR
Check the steering column assembly and steering gear assembly.
• Steering column assembly. Refer to
• Steering gear assembly. Refer to
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
1. Start the engine.
CAUTION:
Never drive the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “ASSIST LEVEL” in “Data Monitor” of “EPS”.
Does 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” of “EPS”.
Does 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
.
6.
CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
1. Select “ASSIST LEVEL” in “Data Monitor” of “EPS”.
2. 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.
3. Check that the symptom continues.
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
STC-35
< SYMPTOM DIAGNOSIS >
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Does 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
1. Start the engine.
CAUTION:
Never drive the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “TORQUE SENSOR” in “Data Monitor” of “EPS”.
4. 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
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
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Check the steering wheel turning force for mechanical malfunction. Refer to
Monitor item
Condition
Display value
TORQUE SENSOR
Steering wheel: Not steering (There is no
steering force)
Approx. 0 Nm
Steering wheel: Right turn
Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
STC-36
< REMOVAL AND INSTALLATION >
EPS CONTROL UNIT
REMOVAL AND INSTALLATION
EPS CONTROL UNIT
Removal and Installation
INFOID:0000000011279675
CAUTION:
Disconnect the battery negative terminal before removing the EPS control unit.
The EPS control unit is an integral part of the steering column. If the replacement of the EPS control unit is
necessary, replace the steering column. Refer to
STR-1
ENGINE
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CONTENTS
STARTING SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tools . . . . . . . . . . . ....
Commercial Service Tools . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
SYSTEM . . . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ...
STARTING SYSTEM . . . . . . . . . . ...
Wiring Diagram . . . . . . . . . . . . . .....
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORKFLOW . . .
Work Flow (With GR8-1200 NI) . . . . . . . ..
Work Flow (Without GR8-1200 NI) . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
S CONNECTOR CIRCUIT . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . . ..
STARTING SYSTEM . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ...
STARTER MOTOR . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
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