Nissan Sentra manuals

Nissan Sentra Service Manual: Dlc 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 data link connector for damage, bend and loose connection (connector side and harness side).

Is the inspection result normal? Yes >> go to 2.

No >> repair the terminal and connector.

2.Check harness for open circuit

Check the resistance between the data link connector terminals.

Is the measurement value within the specification?


Is the measurement value within the specification? Yes (present error)>>check can system type decision again.

Yes (past error)>>error was detected in the data link connector branch line circuit.

No >> repair the data link connector branch line.

A-bag branch line circuit
Diagnosis procedure Warning: Always observe the following items for preventing accidental activation. Before servicing, turn ignition switch off, disconnect battery negative terminal, and w ...

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 dam ...

Other materials:

B1428 Seat belt buckle switch LH
Description DTC B1428 SEAT BELT BUCKLE SWITCH LH The air bag diagnosis sensor unit monitors the seat belt buckle switch LH status. If the control unit detects an open or short condition in the circuit, it will set the DTC. PART LOCATION Refer to SRC-5, "Component Parts Location". ...

P2100, P2103 Throttle control motorrelay
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P2100 ETC MOT PWR-B1 (Throttle actuator “A” control motor circuit/ open) ECM detects a voltage of power source for t ...

Additional service when replacing ecm
Description When replacing ECM, the following procedure must be performed. (For details, refer to EC-135, "Work Procedure".) PROGRAMMING OPERATION NOTE: After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the procedure to perform t ...

© 2014-2025 Copyright www.nisentra.com