Nissan Sentra Service Manual: EPS warning lamp does not turn OFF
Description
EPS warning lamp does not turn OFF several seconds after engine started.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
-
Turn the ignition switch OFF to ON.
-
Perform “EPS” self-diagnosis.
Is any DTC detected? YES >> Check the DTC. Refer to STC-14, "DTC Index".
NO >> GO TO 2.
2.CHECK EPS WARNING LAMP
Perform the trouble diagnosis of EPS warning lamp. Refer to STC-31, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace the specific malfunctioning part.
3.CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Perform the trouble diagnosis of EPS control unit power supply and ground. Refer to STC-22, "Diagnosis Procedure".
Is the inspection result normal? YES >> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO >> Repair or replace the specific malfunctioning part.
Eps warning lamp does not turn on
Description
EPS warning lamp does not turn ON when turning ignition switch
ON from OFF. (Check the illumination of the
EPS warning lamp.)
Diagnosis Procedure
1.CHECK EPS WARNING LAMP
Perform t ...
Steering wheel turning force is heavy or light
Description
Steering wheel turning force is heavy or light.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
Perform EPS self-diagnosis.
...
Other materials:
Dtc/circuit diagnosis
U1000 can comm circuit
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Dtc logic
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1000]
When IPDM E/R cannot communicate with CAN com ...
General Precautions
Do not operate the
engine for an extended period of time without proper exhaust ventilation.
Keep the work area well ventilated and free of any inflammable
materials. Special care should be taken when handling any inflammable
or poisonous materials, such as gasoline, refrigerant gas,
etc. Wh ...
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose connection.
Is the inspection resu ...
