Nissan Sentra Service Manual: EPS Warning lamp
Component Function Check
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns OFF after the engine is started.
Is the inspection result normal? YES >> Inspection End.
NO >> Perform trouble diagnosis. Refer to STC-31, "Diagnosis Procedure".
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 SIGNAL
With consult
-
Turn the ignition switch on.
Caution:
Never start the engine.
-
Select DATA MONITOR of EPS and select WARNING LAMP.
-
Check that the EPS warning lamp is turned ON.
-
Start the engine.
CAUTION:
Never drive the vehicle.
-
Check that the EPS warning lamp is turned OFF.
Is the inspection result normal? YES >> Perform the trouble diagnosis for combination meter power supply circuit. Refer to MWI-52, "COMBINATION METER : Diagnosis Procedure".
NO >> Replace EPS control unit. Refer to STC-39, "Removal and Installation".
U1000 CAN Comm circuit
Description
Can (controller area network) is a serial communication line for
real time application. It is an on-vehicle multiplex
communication line with high data communication speed and excellen ...
Other materials:
P1225 TP Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1225
CTP LEARNING-B1
(Closed throttle position
learning bank 1)
Closed throttle position learning value is excessively
low.
E ...
C1143 Steering angle sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1143
ST ANG SEN CIRCUIT
When a malfunction is detected in steering angle sensor.
Harness or connector
Steering angle sensor
ABS actuator and electric u ...
Ecm 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 ecm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
Yes > ...
