Nissan Sentra Service Manual: Symptom diagnosis
- Eps warning lamp does not turn on
- EPS warning lamp does not turn OFF
- Steering wheel turning force is heavy or light
- Unbalance steering wheel turning force and return between right and left
- Unbalance steering wheel turning force (torque variation)
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 engin ...
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 ...
Other materials:
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 ...
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Low tire pressure warning lamp does not turn on
Low Tire pessure Warning Lamp Does Not Come On When Ignition Switch Is
Turned On
Note:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display t ...
