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:
P1805 brake switch
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase DTC.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-734, "Diagnosis Pr ...
B2632, B2633 air mix door motor PBR
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3. Check DTC.
Is DTC detected?
YES >> Refer to HAC-155, "Diagnosis P ...
P0335 CKP sensor (POS)
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis
for DTC P0643.
Refer to EC-307, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perfo ...