Nissan Sentra manuals

Nissan Sentra Service Manual: Eps branch line circuit

Diagnosis procedure

1.Check connector

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. 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

  1. Disconnect the connector of EPS control unit.
  2. Check the resistance between the eps control unit harness connector terminals.

Is the measurement value within the specification?


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:

Ecu diagnosis information
Bcm Reference value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTC ...

Cooling fan
Component Fan shroud and motor assembly WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure engine coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow b ...

Front wiper and washer system
Component Parts Location BCM (view under instrument panel, left side of vehicle) Combination meter IPDM E/R (view with air inlet duct removed) Combination switch (wiper and washer switch) Front wiper motor (with wiper cowl cover removed) Front washer motor (with front bum ...

В© 2014-2021 Copyright www.nisentra.com