Nissan Sentra Service Manual: Service Notice and Precautions for EPS System
Check the following item when performing the trouble diagnosis.
-
Check any possible causes by interviewing the symptom and it′s condition from the customer if any malfunction, such as EPS warning lamp is turned ON, occurs.
-
Check if air pressure and size of tires are proper, the specified part is used for the steering wheel, and control unit is genuine part.
-
Check if the connection of steering column assembly and steering gear assembly is proper (there is not looseness of mounting bolts, damage of rods, boots or sealants, and leakage of grease, etc.).
-
Check if the wheel alignment is adjusted properly.
-
Check if there is any damage or modification to suspension or body resulting in increased weight or altered ground clearance.
-
Check if installation conditions of each link and suspension are proper.
-
Check if the battery voltage is proper.
-
Check connection conditions of each connector are proper.
-
Before connecting or disconnecting the EPS control unit harness connector, turn ignition switch “OFF” and disconnect battery ground cable. Because battery voltage is applied to EPS control unit even if ignition switch is turned “OFF”.
During quick steering, rasping noise may be heard from around the steering wheel. This is not a malfunction.
The noise is an operating noise of the EPS system under normal conditions. If the rasping noise occurs during slow steering, this may not be an operating noise of the system. In this case, it is necessary to find out the location of the noise and repair, if necessary.
Preparation
Commercial Service Tools
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
dri ...
Other materials:
Precautions for Suspension
When installing rubber bushings, the final tightening must be carried
out under unladen conditions with tires
on ground. Spilled oil might shorten the life of rubber bushings. Be sure to
wipe off any spilled oil.
Unladen conditions mean that fuel, engine coolant and lubricant are
...
Precaution for Work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...
P0500 VSS
EXCEPT FOR M/T MODELS
EXCEPT FOR M/T MODELS : Description
ECM receives vehicle speed signals from two different paths via CAN
communication line: One is from the
ABS actuator and electric unit (control unit) via the combination unit and the
other is from TCM.
EXCEPT FOR M/T MODELS : DTC Logi ...
