Nissan Rogue. Manual - part 1150

STC-30

< SYMPTOM DIAGNOSIS >

EPS WARNING LAMP DOES NOT TURN OFF

EPS WARNING LAMP DOES NOT TURN OFF

Description

INFOID:0000000011279667

EPS warning lamp does not turn OFF several seconds after engine started.

Diagnosis Procedure

INFOID:0000000011279668

1.

PERFORM SELF-DIAGNOSIS

With CONSULT

1. Turn the ignition switch OFF to ON.

2. Perform “Self Diagnostic Result” for “EPS”.
Is any DTC detected?

YES

>> Check the DTC. Refer to 

STC-13, "DTC Index"

. 

NO

>> GO TO 2.

2.

CHECK EPS WARNING LAMP

Perform the trouble diagnosis of EPS warning lamp. Refer to 

STC-28, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the specific malfunctioning part.

3.

CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis of EPS control unit power supply and ground. Refer to 

STC-20, "Diagnosis Pro-

cedure"

.

Is the inspection result normal?

YES

>> Check that there is no malfunction in each harness connector pin terminal or disconnection.

NO

>> Repair or replace the specific malfunctioning part.

STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT

STC-31

< SYMPTOM DIAGNOSIS >

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STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT

Description

INFOID:0000000011279669

Steering wheel turning force is heavy or light.

Diagnosis Procedure

INFOID:0000000011279670

1.

PERFORM SELF-DIAGNOSIS

With CONSULT

1. Turn the ignition switch OFF to ON.

2. Perform “Self Diagnostic Result” for “EPS”.
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 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 3.

NO

>> Perform trouble diagnosis of EPS warning lamp. Refer to 

STC-28, "Diagnosis Procedure"

.

3.

CHECK EPS CONTROL UNIT SIGNAL (1)

With CONSULT

1. Start the engine.

CAUTION:

Never drive the vehicle.

2. Select “ASSIST LEVEL” in “Data Monitor” of “EPS”.
Does the item in “Data Monitor” indicate “100%”?

YES

>> GO TO 6.

NO

>> GO TO 4.

4.

CHECK EPS CONTROL UNIT SIGNAL (2)

With CONSULT

Select “BATTERY VOLT” in “Data Monitor” of “EPS”.
Does the item in “Data Monitor” indicate “10.5 V” or more?

YES

>> GO TO 5.

NO

>> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to 

STC-20, "Diag-

nosis Procedure"

.

5.

CHECK EPS CONTROL UNIT SIGNAL (3)

With CONSULT

1. Select “ASSIST LEVEL” in “Data Monitor” of “EPS”.

2. Stop the EPS system until the item in “Data Monitor” becomes “100%” or less.

NOTE:

While stopping the EPS system, do not turn steering wheel.

3. Check that the symptom continues.
Does the symptom continue?

YES

>> GO TO 6.

NO

>> The assist torque decreases because of protection function. This is not malfunction. Inspection

End.

6.

CHECK EPS CONTROL UNIT SIGNAL (4)

With CONSULT

1. Start the engine.

CAUTION:

STC-32

< SYMPTOM DIAGNOSIS >

STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT

Never drive the vehicle.

2. Turn steering wheel from full left stop to full right stop.

3. Select “TORQUE SENSOR” in “Data Monitor” of “EPS”.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 7.

7.

CHECK EPS MOTOR

Perform the trouble diagnosis of EPS motor. Refer to 

STC-24, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace the specific malfunctioning part.

8.

CHECK STEERING WHEEL TURNING FORCE

Check the steering wheel turning force. Refer to 

ST-6, "Inspection"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check the steering wheel turning force for mechanical malfunction. Refer to 

ST-6, "Inspection"

.

Monitor item 

Condition

Display value

TORQUE SENSOR

Steering wheel: Not steering (There is no 
steering force)

Approx. 0 Nm

Steering wheel: Right turn

Positive value (Nm)

Steering wheel: Left turn

Negative value (Nm)

UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BETWEEN 

RIGHT AND LEFT

STC-33

< SYMPTOM DIAGNOSIS >

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UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BE-
TWEEN RIGHT AND LEFT

Description

INFOID:0000000011279671

Unbalance steering wheel turning force and return between right and left.

Diagnosis Procedure

INFOID:0000000011279672

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

1. Check the wheel alignment. Refer to 

FSU-8, "Adjustment"

.

2. Perform “Self Diagnostic Result” for “EPS”.
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

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-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-6, "Inspection"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check the steering wheel turning force for mechanical malfunction. Refer to 

ST-6, "Inspection"

.

Monitor item 

Condition

Display value

TORQUE SENSOR

Steering wheel: Not steering (There is no 
steering force)

Approx. 0 Nm

Steering wheel: Right turn

Positive value (Nm)

Steering wheel: Left turn

Negative value (Nm)