Nissan Sentra manuals

Nissan Sentra Service Manual: Both side headlamps (lo) are not turned on

Description

The headlamps (both sides) do not turn on in any lighting switch setting.

Diagnosis Procedure

1.Check combination switch (lighting and turn signal switch)

Check the combination switch (lighting and turn signal switch). Refer to BCS-72, "Symptom Table" (with Intelligent Key system) or BCS-125, "Symptom Table" (without Intelligent Key system).

Is the inspection result normal? YES >> GO TO 2

No >> repair or replace the malfunctioning part

2.Check headlamp (lo) request signal input

Consult data monitor


  1. Select hl lo req of ipdm e/r data monitor item.
  2. While operating the lighting switch, check the monitor status.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 3

No >> replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key system) or bcs- 126, "removal and installation" (without intelligent key system).

3.Headlamp (lo) circuit inspection

Check the headlamp (lo) circuit. Refer to exl-90, "diagnosis procedure".

Is the inspection result normal? Yes >> replace ipdm e/r. Refer to pcs-30, "removal and installation" (with intelligent key system) or pcs-58, "removal and installation" (without intelligent key system).

No >> repair or replace the malfunctioning part.

Daytime light system inoperative
Description The daytime light system is inoperative even though the combination switch (lighting and turn signal switch) and parking brake switch are in the normal setting, also whenever engine is ...

Parking, license plate and tail lamps are not turned on
Description The parking, license plate and tail lamps do not turn on in with any lighting switch setting. Diagnosis procedure 1.Combination switch (lighting and turn signal switch) inspection Ch ...

Other materials:

Anti-pinch inspection
Description If any of the following operations are performed, the initialization is necessary for normal operation of antipinch function. Disconnection and connection of battery cable from negative terminal. When power window main switch replaced. Electric power supply to power window ma ...

Car phone or CB radio
When installing a CB, ham radio or car phone in your vehicle, be sure to observe the following precautions; otherwise, the new equipment may adversely affect the engine control system and other electronic parts. WARNING A cellular phone should not be used for any purpose while dr ...

Service Notice or Precautions for Steering System
In case of removing steering gear assembly, make the final tightening with grounded and unloaded vehicle condition, and then check wheel alignment. Observe the following precautions when disassembling. Before disassembly, thoroughly clean the outside of the unit. ...

В© 2014-2025 Copyright www.nisentra.com