Nissan Sentra Service Manual: Eps 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 eps control unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness for open circuit
- Disconnect the connector of EPS control unit.
- Check the resistance between the eps control unit harness connector terminals.
Is the measurement value within the specification? Yes >> go to 3.
No >> repair the eps control unit branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the eps control unit. Refer to stc-22, "diagnosis procedure".
Is the inspection result normal? Yes (present error)>>replace the eps control unit. Refer to stc-39, "removal and installation".
Yes (past error)>>error was detected in the eps control unit branch line.
No >> repair the power supply and the ground circuit.
Dlc 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 data link connector for ...
M&a 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 combination meter for da ...
Other materials:
P0127 IATSensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0127
IAT SENSOR-B1
(Intake air temperature too high)
Rationally incorrect voltage from the sensor is
sent to ECM, compared with the ...
NISSAN Intelligent Key® battery discharge
If the battery of the NISSAN Intelligent Key® is
discharged, or environmental conditions interfere
with the Intelligent Key operation, start the engine
according to the following procedure:
Place the shift lever in the P (Park) position.
Firmly apply the foot brake.
Touch the ignitio ...
Fuel pressure
Work Procedure
FUEL PRESSURE RELEASE
1.FUEL PRESSURE RELEASE
With CONSULT
Turn ignition switch ON.
Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode of “ENGINE” using
CONSULT
Start engine.
After engine stalls, crank it two or three times to release ...
