Nissan Sentra Service Manual: 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
-
Turn the ignition switch OFF to ON.
-
Perform “EPS” self-diagnosis.
Is any DTC detected? YES >> Check the DTC. Refer to STC-14, "DTC Index".
NO >> GO TO 2.
2.CHECK EPS WARNING LAMP
Perform the trouble diagnosis of EPS warning lamp. Refer to STC-31, "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-22, "Diagnosis Procedure".
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.
Eps warning lamp does not turn on
Description
EPS warning lamp does not turn ON when turning ignition switch
ON from OFF. (Check the illumination of the
EPS warning lamp.)
Diagnosis Procedure
1.CHECK EPS WARNING LAMP
Perform t ...
Steering wheel turning force is heavy or light
Description
Steering wheel turning force is heavy or light.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
Perform EPS self-diagnosis.
...
Other materials:
P0300, P0301, P0302, P0303, P0304 Misfire
DTC Logic
DTC DETECTION LOGIC
When a misfire occurs, engine speed will fluctuate. If the engine speed
fluctuates enough to cause the crankshaft
position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is
occurring.
Sensor
Input signal to ECM
ECM function
...
Fuel efficient driving tips
Follow these easy-to-use Fuel Efficient Driving
Tips to help you achieve the most fuel economy
from your vehicle.
Use Smooth Accelerator and Brake
Pedal Application
Avoid rapid starts and stops
Use smooth, gentle accelerator and
brake application whenever possible
Maintain consta ...
P1148 Closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible ca ...
