Nissan Sentra manuals

Nissan Sentra Service Manual: System

EPS system

EPS SYSTEM : System Description

SYSTEM DIAGRAM

DESCRIPTION


DESCRIPTION

EPS Warning lamp indication


EPS Warning lamp indication

CAUTION:


CAUTION:

EPS warning lamp also turns ON due to data reception error, CAN communication error etc.

EPS SYSTEM : Fail-Safe

EPS SYSTEM : Protection Function

EPS control unit decreases the output signal to EPS motor while extremely using the power steering function (e.g., full steering) consecutively for protecting EPS motor and EPS control unit (Overload protection control).

While activating overload protection control, the assist torque gradually decreases, and the steering wheel turning force becomes heavy. The normal assist torque is recovered if the steering wheel is not turned for a while.

Warning/indicator/chime list

WARNING/INDICATOR/CHIME LIST : Warning Lamp/Indicator Lamp

Diagnosis system (EPS control unit)


Component parts
Component Parts Location EPS control unit (view with steering column removed from vehicle) EPS motor (view with steering column removed from vehicle) Torque sensor (view with ...

Diagnosis system (EPS control unit)
CONSULT Function FUNCTION CONSULT can display each diagnostic item using the diagnostic test modes shown following. Diagnostic test mode Function ECU identification The part ...

Other materials:

Wiring diagram
Ipdm e/r (intelligent power distribution module engine room) Wiring diagram ...

Malfunction indicator lamp
Component Function Check 1.CHECK MIL FUNCTION Turn ignition switch ON. Check that MIL lights up. Is the inspection result normal? YES >> INSPECTION END NO >> Proceed to EC-467, "Diagnosis Procedure". Diagnosis Procedure 1.CHECK DTC WITH ECM Check that DTC UXXXX i ...

Checking engine coolant level
Check the coolant level in the reservoir when the engine is cold. If the coolant level is below the MIN level B , add coolant to the MAX level A . If the reservoir is empty, check the coolant level in the radiator when the engine is cold. If there is insufficient coolant in the radiator, fi ...

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