Nissan Altima (L32) 2007-2012 Service Manual: Defogger

• Basic inspection
• Function diagnosis
1. Rear window defogger system
2. Diagnosis system (BCM)
• Component diagnosis
1. Rear window defogger switch
2. Rear window defogger relay
3. Rear window defogger power supply and ground circuit
4. Driver side door mirror defogger
5. Passenger side door mirror defogger
• ECU diagnosis
• Symptom diagnosis
1. Rear window defogger and door mirror defogger do not operate
2. Rear window defogger does not operate but both of door mirror defogger operate
3. Both doors mirror defogger don’t operate but rear window defogger operates
4. Driver side door mirror defogger does not operate
5. Passenger side door mirror defogger does not operate
6. Rear window defogger switch does not light, but rear window defogger operates
• Precaution
• On-vehicle repair
1. Filament
2. Condenser