Nissan Murano: Dtc/circuit Diagnosis / Electrical Load Signal

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Control System :: Vq35de / Dtc/circuit Diagnosis / Electrical Load Signal

Component Function Check

CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

  1. Turn ignition switch ON.

  2. Connect CONSULT and select “DATA MONITOR” mode.

  3. Select “LOAD SIGNAL” and check indication under the following conditions.

    Monitor item Condition Indication
    LOAD SIGNAL Rear window defogger switch ON ON
    OFF OFF

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Proceed to Diagnosis Procedure.

CHECK LIGHTING SWITCH FUNCTION

Check “LOAD SIGNAL” indication under the following conditions.

Monitor item Condition Indication
LOAD SIGNAL Lighting switch ON at 2nd position ON
OFF OFF

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Proceed to Diagnosis Procedure.

CHECK HEATER FAN CONTROL SWITCH FUNCTION

Select “HEATER FAN SW” and check indication under the following conditions.

Monitor item Condition Indication
HEATER FAN SW Heater fan control switch ON ON
OFF OFF

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Proceed to Diagnosis Procedure.

Diagnosis Procedure

The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication.

INSPECTION START

Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to Component Function Check.

Which circuit is related to the incident?

Rear window defogger>>

GO TO 2.

Headlamp>>

GO TO 3.

Heater fan>>

GO TO 4.

CHECK REAR WINDOW DEFOGGER SYSTEM

Check rear window defogger system. Refer to Work Flow.

>>

INSPECTION END

CHECK HEADLAMP SYSTEM

Check headlamp system. Refer to Work Flow.

>>

INSPECTION END

CHECK HEATER FAN CONTROL SYSTEM

Check heater fan control system. Refer to Work Flow.

>>

INSPECTION END

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    Categories

    Autolight system

    Nissan Murano. Autolight system

    The autolight system allows the headlights to turn on and off automatically. The autolight system can:

    Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.

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