Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Rear Window Defogger

Nissan Rogue (T33) 2021-Present Service Manual / Driver Controls :: Defogger / Dtc/circuit Diagnosis :: Rear Window Defogger

Component Function Check

CHECK REAR WINDOW DEFOGGER FUNCTION

CONSULT

  1. Ignition switch ON.

  2. Select “Rear defogger” in “Active test” mode of "BCM".

  3. Touch “On”.

  4. Check that the back door window glass is getting warmer.

    NOTE:

    When glass is hot, never start inspection until it is cool enough.

Is the inspection result normal?

YES>>

Rear window defogger function is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK FUSE

  1. Ignition switch OFF.

  2. Check that the following fuse is not blown (open) .

Unit Location Fuse No. Capacity
Rear window defogger condenser Fuse block (J/B) #1 30A
 

Is the fuse blown (open) ?

YES>>

Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).

NO>>

GO TO 2.

CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

  1. Start engine.

  2. Check voltage between rear window defogger harness connector and ground.

    (+) (–) Condition

    Voltage (V)

    (Approx.)
    Rear window defogger
    Connector Terminal
    D510 1 Ground Rear window defogger switch ON Battery voltage
    OFF 0

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 4.

CHECK REAR WINDOW DEFOGGER GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect rear window defogger connector.

  3. Check continuity between rear window defogger harness connector and ground.

    Rear window defogger — Continuity
    Connector Terminal
    D525 2 Ground Yes

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace harness.

CHECK REAR WINDOW DEFOGGER CIRCUIT 1

  1. Ignition switch OFF.

  2. Disconnect rear window defogger condenser connector and rear window defogger connector.

  3. Check continuity between rear window defogger condenser harness connector and rear window defogger harness connector.

    Rear window defogger condenser Rear window defogger Continuity
    Connector Terminal Connector Terminal
    D500 2 D510 1 Yes

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness.

CHECK REAR WINDOW DEFOGGER CIRCUIT 2

  1. Remove rear window defogger relay and disconnect fuse block (J/B) connector.

  2. Check continuity between rear window defogger condenser harness connector and fuse block (J/B) harness connector.

    Rear window defogger condenser Fuse block (J/B) Continuity
    Connector Terminal Connector Terminal
    B6 1 B28 1L Yes

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace harness.

CHECK REAR WINDOW DEFOGGER CONDENSER

Check rear window defogger condenser. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Replace fuse block (J/B).

NO>>

Replace rear window defogger condenser.

CHECK FILAMENT

Check the filament for damage or blown. Refer to Inspection.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair filament.

Component Inspection

CHECK REAR WINDOW DEFOGGER CONDENSER 1

  1. Ignition switch OFF.

  2. Disconnect rear window defogger condenser connector.

  3. Check continuity between rear window defogger condenser and ground part of rear window defogger condenser.

    Rear window defogger condenser — Continuity
    Terminal
    1 Ground part of rear window defogger condenser No

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace rear window defogger condenser. Refer to Removal and Installation.

CHECK REAR WINDOW DEFOGGER CONDENSER 2

Check continuity between rear window defogger condenser terminals.

Terminal Continuity
1 2 Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace rear window defogger condenser. Refer to Removal and Installation.

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