Nissan Murano: Defogger :: Dtc/circuit Diagnosis / Rear Window Defogger Power Supply and Ground Circuit
CHECK REAR WINDOW DEFOGGER
Check that the rear window defogger heating wire is heated when the rear window defogger switch is turned ON.
Is the inspection result normal?
YES>>Rear window defogger is OK.
NO>>Refer to Diagnosis Procedure.
CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown:
| Component | Fuse No. | Capacity |
|---|---|---|
| Fuse block (J/B) | 23 | 15 A |
| 24 | 15 A |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace the blown fuse after repairing the affected circuit.
CHECK POWER SUPPLY CIRCUIT
-
Ignition switch OFF.
-
Disconnect rear window defogger connector.
-
Ignition switch ON.
-
Check voltage between rear window defogger harness connector and ground.
(+) (–) Condition Voltage
(Approx.)Rear window defogger Connector Terminal D571 1 Ground Rear window defogger switch ON Battery voltage OFF 0 V
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 4.
CHECK GROUND CIRCUIT
-
Ignition switch OFF.
-
Check continuity between rear window defogger harness connector and ground.
Rear window defogger Ground Continuity Connector Terminal D570 2 Yes
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace harness.
CHECK POWER SUPPLY CIRCUIT
-
Ignition switch OFF.
-
Disconnect rear window defogger condenser connector.
-
Ignition switch ON.
-
Check voltage between rear window defogger condenser harness connector and ground.
(+) (–) Condition Voltage
(Approx.)Rear window defogger condenser Connector Terminal D569 1 Ground Rear window defogger switch ON Battery voltage OFF 0 V
Is the inspection result normal?
YES>>Replace rear window defogger condenser. Refer to Removal and Installation.
NO>>Repair or replace harness.
CHECK FILAMENT
Check filament. Refer to Component Inspection.
Is the inspection result normal?
YES>>Refer to Intermittent Incident.
NO>>Repair filament. Refer to Inspection and Repair.
CHECK FILAMENT
Check the filament for damage or open circuits. Refer to Inspection and Repair.
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair filament. Refer to Inspection and Repair.
Rear Window Defogger Relay
Component Function Check
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window defogger switch ON...
Door Mirror Defogger Lh
Component Function Check
CHECK DOOR MIRROR DEFOGGER LH
Check that the door mirror defogger LH heating wire is heated when the rear window defogger switch is turned ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: B2130 Eeprom
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition B2130 EEPROM (EEPROM malfunction) Diagnosis condition — Signal (terminal) — Threshold Driver seat control unit detected a CPU malfunction...
Nissan Murano (Z52) 2015-2024 Service Manual: P050a Cold Start Control
DTC Description DESCRIPTIONECM controls ignition timing and engine idle speed when engine is started with pre-warming up condition.This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.DTC DETECTION LOGIC ECM does not control engine idle speed properly when engine is started with pre-warming up condition...
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Seatback pockets
Theremaybe one or two seatback pockets located on the back of the driver and passenger seats. The pockets can be used to store maps.
WARNING
