Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSGLASS, WINDOW SYSTEM & MIRRORSSERVICE INFORMATIONREAR WINDOW DEFOGGERFILAMENT CHECK

2012 Nissan-Datsun Sentra SE-R

Filament Check

2012 Nissan-Datsun Sentra SE-RSECTION Filament Check

When measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger.

Fig 1: Pressing Tin Foil Against Heat Wire
Courtesy of NISSAN NORTH AMERICA, INC.
Attach probe circuit tester (in Volt range) to middle portion of each filament.

Fig 2: Checking Filament Circuit
Courtesy of NISSAN NORTH AMERICA, INC.
If a filament is burned out, circuit tester registers 0 or battery voltage.
To locate burned out point, move probe to left and right along filament. Test needle will swing abruptly when probe passes the point.

Fig 3: Identifying Burned Out Point
Courtesy of NISSAN NORTH AMERICA, INC.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.