Nissan Sentra Service Manual: EPS Warning lamp
Component Function Check
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 >> Inspection End.
NO >> Perform trouble diagnosis. Refer to STC-31, "Diagnosis Procedure".
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 SIGNAL
With consult
-
Turn the ignition switch on.
Caution:
Never start the engine.
-
Select DATA MONITOR of EPS and select WARNING LAMP.
-
Check that the EPS warning lamp is turned ON.
-
Start the engine.
CAUTION:
Never drive the vehicle.
-
Check that the EPS warning lamp is turned OFF.
Is the inspection result normal? YES >> Perform the trouble diagnosis for combination meter power supply circuit. Refer to MWI-52, "COMBINATION METER : Diagnosis Procedure".
NO >> Replace EPS control unit. Refer to STC-39, "Removal and Installation".
U1000 CAN Comm circuit
Description
Can (controller area network) is a serial communication line for
real time application. It is an on-vehicle multiplex
communication line with high data communication speed and excellen ...
Other materials:
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (connector side
and harness side).
Harness connector e4
Harness connec ...
P0420 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
Read first—then drive safely
FOREWORD
Welcome to the growing family of new NISSAN
owners. This vehicle is delivered to you with
confidence. It was produced using the latest
techniques and strict quality control.
This manual was prepared to help you understand
the operation and maintenance of your
vehicle so that you ma ...
