Nissan Juke Service and Repair Manual : Steering wheel turning force is heavy or light
Description
Steering wheel turning force is heavy or light.
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns OFF after the engine is started.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Turn the ignition switch OFF to ON.
2. Perform “EPS” self-diagnosis.
Is any DTC detected? YES >> Check the DTC. Refer to STC-14, "DTC Index".
NO >> GO TO 3.
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 “TORQUE SENSOR” in “DATA MONITOR” in “EPS”.

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".
EPS warning lamp does not turn off
Description
EPS warning lamp does not turn OFF several seconds after engine started.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Turn the ignition switch OFF to ON.
2. Perfo ...
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 ...
Other materials:
Checking engine coolant level
Check the coolant level in the reservoir when the engine is cold. If the coolant
level is below the MIN level 2 , open the reservoir cap and add coolant up to the
MAX level 1 . If the reservoir is empty, check the coolant level in the radiator
when the engine is cold. If there is insufficien ...
Inspection
OIL LEAKAGE
Check transfer surrounding area (oil seal, drain plug, filler plug, and
transfer case etc.) for oil leakage.
OIL LEVEL
1. Remove filler plug (1) and gasket. Then check that oil is filled up
from mounting hole for the filler plug.
Vehicle front
CAUTION:
Never start engine while ...
Wiring diagram
4WD SYSTEM
Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...
