Nissan Versa Sedan Service ManualDriver controls » Defogger (DEF)
Rear window defogger and door
mirror defogger do not operate
Rear window defogger and door mirror defogger do not operate
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to DEF "Component Function Check".
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace the malfunctioning parts.
2. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to DEF "Component Function Check".
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace the malfunctioning parts.
3. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Check rear window defogger power supply and ground circuit.
Refer to DEF "Component Function Check".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH OF DOOR MIRROR DEFOGGER OPERATE
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Check rear window defogger power supply and ground circuit.
Refer to DEF "Component Function Check".
Is the inspection result normal?
YES >> Refer to GI "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
Precautions
System
Diagnosis and repair work flow
Rear window defogger switch
Rear window defogger relay
Rear window defogger power supply and ground circuit
Driver side door mirror defogger
Passenger side door mirror defogger
Rear window defogger and door mirror defogger do not operate
Both doors mirror defogger don't operate but rear window defogger operates
Filament
Nissan Versa Sedan Service Manual
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