Nissan Juke Service and Repair Manual : Unbalance steering wheel turning force (torque variation)
Description
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF? YES >> GO TO 2.
NO >> Refer to STC-28, "Diagnosis Procedure".
2.CHECK STEERING COLUMN AND STEERING GEAR
Check the steering column assembly and steering gear assembly.
• Steering column assembly. Refer to ST-10, "Exploded View".
• Steering gear assembly. Refer to ST-16, "Exploded View".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace the specific malfunctioning part.
3.CHECK EPS CONTROL UNIT SIGNAL
With CONSULT-III
1. Start the engine.
CAUTION:
Never drive the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “DATA MONITOR” of “EPS” and select “TORQUE SENSOR”.
4. Perform the torque sensor inspection.
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-22, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace the specific malfunctioning part.
5.CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to ST-8, "Inspection".
Is the inspection result normal? YES >> INSPECTION END
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to ST-21, "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
Never remove EPS control unit from steering column assembly. When replacing
EPS control unit, replace
steering column assembly. Refer to ST-10, "Rem ...
Other materials:
ECU diagnosis information
ECM
Reference Value
VALUES ON THE DIAGNOSIS TOOL
Remarks:
• Specification data are reference values.
• Specification data are output/input values which are detected or supplied by
the ECM at the connector.
*Specification data may not be directly related to their components
signals/values/o ...
Door lock actuator
Driver side : Component Function Check
1.CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT-III.
2. Select “DOOR LOCK” in “ACTIVE TEST” mode.
3. Check that the function operates normally according to the following
conditions.
Is the inspection result normal?
YES >> Door lock ...
Evaporative emission system
Inspection
1. Visually inspect EVAP vapor lines for improper attachment and for cracks,
damage, loose connections,
chafing and deterioration.
2. Check EVAP canister as follows:
a. Block port (A). Orally blow air through port (B).
Check that air flows freely through port (C).
b. Block port (B ...