Nissan Sentra Service Manual: Defogger system symptoms

Symptom diagnosis

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Rear window defogger and door mirror defoggers do not operate

Diagnosis procedure Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram". 1. Check rear window defogger switch Check rear window defogger switch. Refer to def-30, &q ...

Other materials:

Three Way Catalyst
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To prevent this, follow the instructions. Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst. When checking for ignition spark or measuring ...

Interior room lamp control circuit
Description Controls each interior room lamp (ground side) by pwm signal. Note: Pwm signal control period is approximately 250 hz (in the gradual brightening/dimming). Component function check Caution: Before performing the diagnosis, check that the following are normal. Interior room l ...

Heater and Air Conditioner (manual) (if so equipped)
WARNING The air conditioner cooling function operates only when the engine is running. Do not leave children or adults who would normally require the assistance of others alone in your vehicle. Pets should also not be left alone. They could accidentally injure them ...