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:

Before starting the engine
Make sure the area around the vehicle is clear. Check fluid levels such as engine oil, coolant, brake and clutch fluid(if so equipped), and windshield-washer fluid as frequently as possible, or at least whenever you refuel. Check that all windows and lights are clean. Visually inspe ...

How to Follow Test Groups in Trouble Diagnosis
Test group number and test group title Test group number and test group title are shown in the upper portion of each test group. Work and diagnosis procedure Start to diagnose a problem using procedures indicated in enclosed test groups. Questions and results ...

Wiring diagram
Sport mode system Wiring diagram ...

В© 2014-2025 Copyright www.nisentra.com