Nissan Qashqai J11. Manual — part 996
STC-44
< SYMPTOM DIAGNOSIS >
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIA-
TION)
Description
INFOID:0000000010452142
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
INFOID:0000000010452143
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS/DAST 3” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK THE ILLUMINATION OF THE POWER STEERING WARNING LAMP
Check the power steering warning lamp while the engine is started.
Does the power steering 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.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS/DAST 3”.
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/DAST 3”.
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
.
6.
CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
1.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS DAST 3”.
2.
Stop the EPS system until the item in “DATA MONITOR” becomes “100%”.
NOTE:
While stopping the EPS system, do not turn steering wheel.
3.
Check that the symptom continues.
Dose the symptom continue?
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
STC-45
< SYMPTOM DIAGNOSIS >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
YES
>> GO TO 7.
NO
>> The assist torque decreases because of protection function. This is not malfunction. INSPEC-
TION 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” in “EPS/DAST 3”.
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 steer-
ing (There is no steering
force)
Approx. 0.0 Nm
Steering wheel: Right turn
Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
STC-46
< REMOVAL AND INSTALLATION >
EPS CONTROL UNIT
REMOVAL AND INSTALLATION
EPS CONTROL UNIT
Removal and Installation
INFOID:0000000010464043
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
SB-1
RESTRAINTS
C
D
E
F
G
I
J
K
L
M
SECTION
SB
A
B
SB
N
O
P
CONTENTS
SEAT BELT
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....
Precautions for Removing Battery Terminal . . .....
Precaution for Seat Belt Service . . . . . . . ...
Precaution for Work . . . . . . . . . . . . ..
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
REMOVAL AND INSTALLATION . . . .
FRONT SEAT BELT . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . ..
SEAT BELT RETRACTOR . . . . . . . . . . .
SEAT BELT RETRACTOR : Removal and Instal-
lation . . . . . . . . . . . . . . . . . . .
SEAT BELT HEIGHT ADJUSTER . . . . . . . ..
SEAT BELT HEIGHT ADJUSTER : Removal and
Installation . . . . . . . . . . . . . . . ....
FRONT SEAT BELT BUCKLE . . . . . . . . ...
FRONT SEAT BELT BUCKLE : Removal and In-
stallation . . . . . . . . . . . . . . . . ...
REAR SEAT BELT . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
SEAT BELT RETRACTOR . . . . . . . . . .
SEAT BELT RETRACTOR : Removal and Instal-
lation . . . . . . . . . . . . . . . . . .
SEAT BELT BUCKLE . . . . . . . . . . . .
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст