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Nissan Sentra Service Manual: Both side headlamps do not switch to high beam

Nissan Sentra Service Manual / Driver controls / Exterior lighting system / Symptom diagnosis / Both side headlamps do not switch to high beam

Description

The headlamps (both sides) do not switch to high beam when the lighting switch is in the hi or pass setting.

Diagnosis procedure

1.Combination switch (lighting and turn signal switch) inspection

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 results normal? Yes >> go to 2

No >> repair or replace the malfunctioning part.

2.Check headlamp (hi) request signal input

Consult data monitor


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

Is the inspection results normal?


Is the inspection results 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 (hi) circuit inspection

Check the headlamp (hi) circuit. Refer to exl-88, "diagnosis procedure".

Is the inspection results 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.

Exterior lighting system symptoms
Symptom Table Caution: Perform the self-diagnosis with consult before the symptom diagnosis. Perform the trouble diagnosis if any dtc is detected. Normal operating condition Description ...

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 ...

Other materials:

Diagnosis system (bcm)
Common item Common item : consult function (bcm - common item) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Description ECU identification The BCM part number is displayed. Self Diagnostic Result ...

Basic inspection
Diagnosis and repair work flow Work Flow OVERALL SEQUENCE DETAILED FLOW 1.GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs). Check operation condition of the function th ...

Diagnosis system  (BCM)
Common item COMMON ITEM : CONSULT Function (BCM - COMMON ITEM) Application item Consult performs the following functions via can communication with bcm. System application BCM can perform the following functions. Door lock Door lock : consult function (bcm - door lock) Data monitor ...

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