Nissan Sentra Service Manual: Service Notice and Precautions for EPS System
Check the following item when performing the trouble diagnosis.
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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.
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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.
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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.).
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Check if the wheel alignment is adjusted properly.
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Check if there is any damage or modification to suspension or body resulting in increased weight or altered ground clearance.
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Check if installation conditions of each link and suspension are proper.
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Check if the battery voltage is proper.
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Check connection conditions of each connector are proper.
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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:
Control buttons
The control buttons for the Bluetooth® Hands-
Free Phone System are located on the steering
wheel.
PHONE/SEND
Press the button to initiate
a VR session or answer an incoming
call.
You can also use the button
to interrupt the system feedback
and give a command at once. See
“List of ...
Door switch
With intelligent key
WITH INTELLIGENT KEY : Component Function Check
1.Check function
Select DOOR LOCK of BCM using CONSULT.
Select DOOR SW-DR, DOOR SW-AS, DOOR SW-RL and DOOR SW-RR in DATA MONITOR
mode.
Check that the function operates normally according to the following
conditions ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
Customer interview
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...
