Nissan Sentra Service Manual: Removal and installation
EPS control unit
Exploded View
- Steering column assembly
- EPS control unit
- Bracket plate
Front
Removal and Installation
REMOVAL
CAUTION:
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Disconnect battery negative terminal before starting operations.
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Do not shock EPS control unit, e.g. drop or hit.
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Do not get EPS control unit wet with water or other liquid. Also, do not give EPS control unit a radical temperature change to avoid getting water drops.
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Do not disassemble or remodel EPS control unit, EPS motor, torque sensor, harness and harness connectors.
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Remove steering column assembly. Refer to ST-12, "Removal and Installation".
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Disconnect EPS motor harness connector
CAUTION:
Hold and pull the harness connector housing, not pulling harness, when disconnecting harness connectors. Also, do not grip, collapse or apply excessive force to the harness connector
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Remove EPS control unit from steering column assembly.
-
Remove bracket plate from EPS control unit.
INSTALLATION
Installation is in the reverse order of removal.
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Check that harness is not damaged when installing EPS control unit. Also, check that EPS control unit is installed without pinching harness or trapping foreign materials.
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After installing steering column assembly, perform self-diagnosis with CONSULT to ensure correct operation.
Refer to STC-10, "CONSULT Function".
Unbalance steering wheel turning force (torque variation)
Description
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
Perform EPS self- ...
Restraints
...
Other materials:
Optical sensor
Description
The optical sensor measures ambient light and transmits the optical sensor
signal to the bcm.
Component function check
1.Check optical sensor signal by consult
Consult
Turn the ignition switch ON.
Select opti sen of bcm (head lamp) data monitor item.
Turn the lighting swit ...
P0967 Pressure control solenoid B
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0967
PC SOLENOID B
(Pressure Control Solenoid B
Control Circuit High)
The primary pressure solenoid valve current is
200 mA or les ...
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
