Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual / Driver Controls / Defogger :: Removal and Installation

Nissan Sentra B18 (2020-2025) Service Manual: Defogger :: Removal and Installation

Filament. Inspection and Repair. Inspection and Repair

Inspection and Repair

INSPECTION

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

Attach probe circuit tester (in Volt range) to middle portion of each filament.

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.

REPAIR

REPAIR EQUIPMENT

  • Conductive silver composition (Dupont No. 4817 or equivalent)

  • Ruler 30 cm (11.8 in) long

  • Drawing pen

  • Heat gun

  • Alcohol

  • Cloth

REPAIRING PROCEDURE

Wipe broken heat wire and its surrounding area clean with a cloth dampened in alcohol.

Apply a small amount of conductive silver composition to tip of drawing pen. Note:

Shake silver composition container before use.

Place ruler on glass along broken line. Deposit conductive silver composition on break with drawing pen. Slightly overlap existing heat wire on both sides [preferably 5 mm (0.20 in)] of the break.

After repair has been completed, check repaired wire for continuity. This check should be conducted 10 minutes after silver composition is deposited.

CAUTION:

Do not touch repaired area while test is being conducted.

Apply a constant stream of hot air directly to the repaired area for approximately 20 minutes with a heat gun. A minimum distance of 3 cm (1.2 in) should be kept between repaired area and hot air outlet. Note:

If a heat gun is not available, let the repaired area dry for 24 hours.

Condenser. Removal and Installation. Removal and Installation

Removal and Installation

REMOVAL

Remove the rear pillar finisher. Refer to Removal and Installation — Rear Pillar Upper Finisher.

Disconnect harness connectors (A).

Remove bolt (B) and the condenser (1).

: Front

INSTALLATION

  1. Installation is in the reverse order of removal.

    Note: Tighten to specification.

    bolt

    : 8.0 N·m (0.82 kg-m, 6 ft-lb)

    Defogger. Symptom Diagnosis
    Defogger System Symptoms. Symptom Table Symptom Table Symptom Table Symptom Reference page Rear window defogger and door mirror defoggers* do not operate. Refer to Diagnosis Pro...
    Horn. Precaution. Precautions. Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
    Precautions. Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner" Precaution for Supplemental Restraint System (srs) &q...

    Other materials:

    Battery Saver
    Consult Function (bcm - Battery Saver) CONSULT Function (BCM - BATTERY SAVER) DATA MONITOR Note: The following table includes information (items) inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. ...

    Preparation. Preparation
    Preparation Special Service Tool Special Service Tool The actual shape of the tools may differ from those illustrated here. Tool number (TechMate No.) Tool name   ...

    Power Supply, Ground & Circuit Elements. System Description
    Component Parts. Electrical Units Location Electrical Units Location Component Parts Location Component Parts Location No. Component 1. ...