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:
Power outlet
Center Console
Console Box (if so equipped)
The power outlets are for powering electrical
accessories such as cellular telephones. They
are rated at 12 volt, 120W (10A) maximum.
The power outlets are powered only when the
ignition switch is in the ACC or ON position.
CAUTION
The ...
Body alignment
Body Center Marks
A mark has been placed on each part of the body to indicate the vehicle
center. When repairing parts damaged
by an accident which might affect the vehicle frame (members, pillars, etc.),
more accurate and effective
repair will be possible by using these marks together with ...
C1606 EPS Motor
DTC Logic
DTC DETECTION LOGIC
Dtc
Display item
Malfunction detected condition
Possible cause
C1606
EPS MOTOR
When the motor driver malfunction of EPS control
unit or EPS motor malfunction is detected.
Harness or connector
EPS motor
Eps control ...
