Description
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
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.
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
CAUTION: Never drive the vehicle.
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
NOTE: While stopping the EPS system, do not turn steering wheel.
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
CAUTION: Never drive the vehicle.
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".
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the ...
Service data and specifications (SDS)
General Specification
CAUTION:
Use only Genuine NISSAN CVT Fluid NS-3. Never mix with other
fluid.
Using CVT fluid other than Genuine NISSAN CVT Fluid NS-3 will
deteriorate in driveability and CVT durability, and may damage
the CVT, which is not covered by the NISSAN n ...
Removal and installation
ECM
Removal and Installation
EXPLODED VIEW
1 ECM bracket
2 ECM
: Vehicle front
CAUTION:
Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-136, "Work
Procedure".
REMOVAL
Disconnect the battery negative terminal.
Remove the resonator. Refer to EM-24 ...