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?