LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 400 (Exterior Lighting System) >> Symptom Diagnosis >> Exterior Lighting System Symptoms >> Symptom Table - Late Production

Symptom Table - Late Production

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

Symptom

Possible cause

Inspection item

Headlamp does not switch to the high beam.

One side

  • Fuse
  • Harness between IPDM E/R and the front combination lamp
  • Front combination lamp

    (High beam relay)

  • IPDM E/R
  • Harness between the front combination lamp and ground

Headlamp (HI) circuit

Refer to Component Function Check .

Both sides

--

Symptom diagnosis

BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM

Refer to Diagnosis Procedure .

High beam indicator lamp is not turned ON (Headlamp switched to the high beam).

  • BCM
  • Combination meter
  • Combination meter

    Data monitor HI-BEAM IND

  • BCM (HEAD LAMP)

    Active test "HEADLAMP"

Headlamp does not switch to the low beam.

One side

Front combination lamp (Low beam relay)

--

Both sides

  • Combination switch (lighting and turn signal switch)
  • Harness between the combination switch and BCM
  • BCM

Combination switch (lighting and turn signal switch)

Refer to Symptom Table .

Low beam request signal

  • BCM
  • IPDM E/R

IPDM E/R

Data monitor HL LO REQ

Refer to CONSULT Function (IPDM E/R) .

IPDM E/R

--

Headlamp does not turn ON.

One side

  • Fuse
  • Harness between IPDM E/R and the front combination lamp
  • Front combination lamp (LED headlamp)
  • IPDM E/R
  • Harness between the front combination lamp and ground

Headlamp (LO) circuit

Refer to Component Function Check .

Both sides

--

Symptom diagnosis

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

Refer to Diagnosis Procedure .

Headlamp does not turn OFF.

When the ignition switch is turned ON

  • BCM
  • Combination switch (lighting and turn signal switch)

Combination switch (lighting and turn signal switch) Refer to Symptom Table .

The ignition switch is turned OFF (After activating the battery saver).

IPDM E/R

--

Headlamp is not turned ON/OFF with lighting switch AUTO.

  • Combination switch (lighting and turn signal switch)
  • Harness between combination switch and BCM
  • BCM

Combination switch

Refer to Symptom Table .

  • Optical sensor
  • Harness between optical sensor and BCM
  • BCM

Optical sensor

Refer to Component Function Check .

Daytime running light system does not activate.

  • Fuse
  • Harness between IPDM E/R and the daytime running light relay
  • LED (daytime running light)
  • IPDM E/R
  • Daytime running light relay
  • BCM

Symptom diagnosis

Daytime running light system inoperative.

Refer to Diagnosis Procedure .

Front fog lamp is not turned ON.

One side

  • Front fog lamp bulb
  • Harness between IPDM E/R and front fog lamp
  • Front fog lamp
  • IPDM E/R

Front fog lamp circuit

Refer to Component Function Check .

Both sides

--

Symptom diagnosis

BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON

Refer to Diagnosis Procedure .

Parking lamp is not turned ON.

One side

  • LED (parking lamp)
  • Harness between IPDM E/R and front/rear combination lamp (body and back door side)
  • Harness between front/rear combination lamp (body and back door side) and ground
  • Front/rear combination lamp (body and back door side)
  • IPDM E/R

Parking lamp circuit

Refer to Component Function Check .

Both sides

--

Symptom diagnosis

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

Refer to Diagnosis Procedure .

Turn signal lamp does not blink.

Indicator lamp is normal.

(The applicable side performs the high flasher activation).

  • Hazard BCM and each turn signal lamp
  • Turn signal lamp bulb
  • Door mirror

Turn signal lamp circuit

Refer to Component Function Check .

Turn signal indicator lamp does not blink.

One side

Combination meter

--

Both sides

(Always)

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

    Data monitor TURN IND

  • BCM (FLASHER)

    Active test FLASHER

Both sides

(Does blink when activating hazard warning lamp with the ignition switch OFF)

  • Combination meter power supply and ground circuit
  • Combination meter

Combination meter

Power supply and ground circuit

Refer to Diagnosis Procedure .

  • Hazard warning lamp does not activate.
  • Hazard warning lamp continues activating (Turn signal is normal).
  • Hazard switch
  • Harness between the hazard switch and BCM
  • BCM

Hazard switch

Refer to Component Function Check .