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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:

System description
Component parts POWER DOOR LOCK SYSTEM POWER DOOR LOCK SYSTEM : Component Parts Location BCM (view with instrument panel removed) Front door switch LH Front door lock actuator LH Front door lock assembly LH Front door switch RH Front door lock actuator RH Rear door switch RH ...

Ignition switch (if so equipped)
WARNING Never remove or turn the key to the LOCK position while driving. The steering wheel will lock (for models with a steering lock mechanism). This may cause the driver to lose control of the vehicle and could result in serious vehicle damage or personal injury ...

Precautions for refrigerant system service
WORKING WITH HFC-134a (R-134a) CAUTION: CFC-12 (R-12) refrigerant and HFC-134a (R-134a) refrigerant are not compatible. Compressor malfunction is likely to occur if the refrigerants are mixed, refer to “CONTAMINATED REFRIGERANT” below. To determine the purity of HFC-134a (R- ...

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