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:
-
Disconnect battery negative terminal before starting operations.
-
Do not shock EPS control unit, e.g. drop or hit.
-
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
-
Remove EPS control unit from steering column assembly.
-
Remove bracket plate from EPS control unit.
INSTALLATION
Installation is in the reverse order of removal.
-
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.
-
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:
C1111 PUMP MOTOR
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1111
PUMP MOTOR
When a malfunction is detected in motor or motor
relay.
When a low pressure malfunction is detected in accumulator.
When a malfunction ...
On board diagnostic (OBD) system
Diagnosis Description
This system is an on board diagnostic system that records exhaust
emission-related diagnostic information
and detects a sensors/actuator-related malfunction. A malfunction is indicated
by the malfunction indicator
lamp (MIL) and stored in ECU memory as a DTC. The diagnos ...
Abs branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the abs actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...
