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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Exterior Lighting System - Led Headlamp) >> Symptom Diagnosis >> Exterior Lighting System Symptoms >> Symptom Table

Symptom Table

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Perform the "Self Diagnostic Result" with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

Symptom

Possible cause

Inspection item

Headlamp (HI) is not turned ON

One side

  • Fuse
  • Headlamp (HI) power supply circuit
  • Front combination lamp internal circuit
    • Harness
  • IPDM E/R

Headlamp (HI) circuit

Refer to  

Both sides

Symptom diagnosis

"BOTH SIDE HEADLAMPS (HI) ARE NOT TURNED ON"

Refer to  

High beam indicator lamp is not turned ON

[Headlamp (HI) is turned ON]

Combination meter

  • Combination meter

    "Data Monitor" "HI-BEAM IND"

  • "BCM (HEAD LAMP)"

    "Active Test" "HEAD LAMP"

Headlamp (LO) is not turned ON

One side

  • Fuse
  • Headlamp (LO) power supply circuit
  • Front combination lamp internal circuit
    • LED (headlamp low)
    • LED headlamp control module
    • Harness
  • IPDM E/R

Headlamp (LO) circuit

Refer to  

Both sides

Symptom diagnosis

"BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON"

Refer to  

Headlamp (HI) and (LO) is not turned ON

  • LED headlamp ground circuit (headlamp HI)
  • Front combination lamp internal circuit
    • LED headlamp control module (headlamp HI)
    • Harness

LED headlamp

Refer to  

Headlamp warning remains ON

[Headlamp (LO) is turned ON]

  • LED headlamp warning signal circuit
  • Front combination lamp internal circuit
    • LED headlamp control module
    • Harness
  • Combination meter

Headlamp warning

Refer to  

Each lamp is not turned ON/OFF with lighting switch AUTO

  • Lighting switch input/output signal circuit
  • Lighting switch
  • BCM

Lighting switch

Refer to .

  • Optical sensor power supply/ground/signal circuit
  • Optical sensor
  • BCM

Optical sensor

Refer to  

Parking lamp is not turned ON

  • Fuse
  • Parking lamp power supply/ground circuit
  • Front combination lamp internal circuit
    • Parking lamp bulb
    • Control circuit
    • Harness
  • IPDM E/R

Parking lamp circuit

Refer to  

Side marker lamp is not turned ON

[Parking lamp is turned ON]

Front combination lamp internal circuit

  • Side marker lamp
  • Control circuit
  • Harness

Front side marker lamp circuit

Refer to  

Tail lamp is not turned ON

  • Fuse
  • Tail lamp power supply/ground circuit
  • Rear combination lamp internal circuit
    • Tail lamp bulb
    • Harness
  • IPDM E/R

Tail lamp circuit

Refer to  

License plate lamp is not turned ON

[Tail lamp is turned ON]

  • License plate lamp power supply/ground circuit
  • License plate lamp bulb
  • License plate lamp bulb socket
  • IPDM E/R

License plate lamp circuit

Refer to  

Parking lamp, license plate lamp, side marker lamp and tail lamp are not turned ON

Symptom diagnosis

"PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMPS ARE NOT TURNED ON"

Refer to  

Position lamp indicator is not turned ON

(Parking lamp, license plate lamp, side marker lamp and tail lamp are turned ON)

Combination meter

  • Combination meter

    "Data Monitor" "LIGHT IND"

  • BCM (HEAD LAMP)

    "Active Test" "TAIL LAMP"

Daytime running light is not turned ON

  • Fuse
  • Daytime running light power supply/ground circuit
  • Front combination lamp internal circuit
    • LED (daytime running light)
    • Control circuit
    • Harness
  • IPDM E/R
  • BCM
  • ECM
  • Combination meter
  • Daytime running light circuit

    Refer to  

  • BCM (HEAD LAMP)

    "Data Monitor" "ENGINE STATE"

  • Combination meter

    "Data Monitor" "PKB SW"

Back-up lamp is not turned ON

  • Fuse
  • Back-up lamp relay
  • Back-up lamp relay power supply/control signal circuit
  • Back-up lamp power supply/ground circuit
  • Rear combination lamp internal circuit
    • Back-up lamp
    • Harness
  • Joint connector
  • TCM

-

Turn signal lamp does not blink

Indicator lamp is normal

(Applicable side performs high flasher activation)

  • Front turn signal lamp
    • Front turn signal lamp power supply/ground circuit
    • Front turn signal lamp
  • Side turn signal lamp
    • Side turn signal lamp power supply/ground circuit
    • Side turn signal lamp
  • Rear turn signal lamp
    • Rear turn signal lamp power supply/ground circuit
    • Bulb (rear turn signal lamp)
    • Rear turn signal lamp bulb socket/harness

Turn signal lamp circuit

Refer to  

Indicator lamp is included

  • Combination switch input/output signal circuit
  • Combination switch
  • BCM

Combination switch

Refer to .

Turn signal indicator lamp does not blink

(Turn signal lamp is normal)

One side

Combination meter

-

Both sides

(Always)

  • Turn signal indicator
  • BCM
  • Combination meter
  • Combination meter

    "Data Monitor" "TURN IND"

  • BCM (FLASHER)

    "Active Test" "FLASHER"

Both sides

(Only when activating hazard warning lamp with ignition switch OFF)

  • Combination meter power supply/ground circuit
  • Combination meter

Combination meter

Power supply and ground circuit

Refer to .

  • Hazard warning lamp does not activate

    (Turn signal is normal)

  • Hazard warning lamp continues activating
  • Hazard switch signal/ground circuit
  • Integral switch (hazard switch)
  • BCM

Hazard switch

Refer to  

Front fog lamp is not turned ON

One side

  • Front fog lamp power supply/ground circuit
  • Front fog lamp
  • IPDM E/R

Front fog lamp circuit

Refer to  

Both sides

Symptom diagnosis

"BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON"

Refer to  

Front fog lamp indicator lamp is not turned ON

(Front fog lamp is turned ON)

Combination meter

  • Combination meter

    "Data Monitor" "FR FOG IND"

  • BCM (HEAD LAMP)

    "Active Test" "FR FOG LAMP"