Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Rear Window Defogger
Component Function Check
CHECK REAR WINDOW DEFOGGER FUNCTION
CONSULT
-
Ignition switch ON.
-
Select “Rear defogger” in “Active test” mode of "BCM".
-
Touch “On”.
-
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
-
Ignition switch OFF.
-
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
-
Start engine.
-
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
-
Ignition switch OFF.
-
Disconnect rear window defogger connector.
-
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
-
Ignition switch OFF.
-
Disconnect rear window defogger condenser connector and rear window defogger connector.
-
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
-
Remove rear window defogger relay and disconnect fuse block (J/B) connector.
-
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
-
Ignition switch OFF.
-
Disconnect rear window defogger condenser connector.
-
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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Diagnosis Procedure
CHECK NETWORK DIAGNOSIS
Check the "Network diagnosis" results from CONSULT to see that the diagnostic CAN communication circuit have no malfunction.
Are the diagnostic CAN communication circuit normal?
YES>>
GO TO 2.
NO>>
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