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 is running.
Does the EPS warning lamp turn OFF? YES >> GO TO 2.
NO >> Refer to STC-30, "Diagnosis Procedure".
2.CHECK WHEEL ALIGNMENT
Is the inspection result normal? YES >> GO TO 3.
NO >> Adjustment of wheel alignment. Refer to FSU-8, "Adjustment".
3.CHECK EPS CONTROL UNIT SIGNAL
With CONSULT
CAUTION: Never drive the vehicle.

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-24, "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-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".
Steering wheel turning force is heavy or light
Unbalance steering wheel turning force (torque variation)Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.CHECK SYMPTOM
...
NissanConnectSM with Mobile Apps
(if so equipped)
This vehicle is equipped with Smartphone Integration
technology. This allows many compatible
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easily controlled through the vehicle’s touchscreen.
NOTE:
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C1130 engine signal
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1130
ENGINE SIGNAL 1
When a malfunction is detected in ECM system.
ECM
ABS actuator and electric unit
(control unit)
CAN communication l ...