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Nissan Armada 2025-2026 Service and Repair Manual: When SRS is not activated in a collision

Nissan Armada 2025-2026 Service and Repair Manual / Restraints / Srs Airbag — Basic Inspection / Collision Diagnosis / When SRS is not activated in a collision

CAUTION:

WORK PROCEDURE

  1. Check the SRS components using the table below.

  2. Ensure entire SRS operates properly.

SRS INSPECTION (FOR FRONTAL COLLISION)

Part Inspection
Driver air bag module

If the driver air bag has not been activated:

  1. Remove driver air bag module. Check harness cover and connectors for damage, terminals for deformities, and harness for binding.

  2. If no damage is found, reinstall with new fasteners.

  3. If damaged - REPLACE. Install driver air bag modules with new fasteners.

Driver knee air bag module

If the driver knee air bag has not been activated:

  1. Remove driver knee air bag module. Check harness cover and connectors for damage, terminals for deformities, and harness for binding.

  2. Install driver knee air bag module into the instrument panel to check fit with the instrument panel.

  3. If no damage is found, reinstall with new fasteners.

  4. If damaged - REPLACE. Install driver knee air bag modules with new fasteners.

Front passenger air bag module

If the front passenger air bag has not been activated:

  1. Remove front passenger air bag module. Check harness cover and connectors for damage, terminals for deformities, and harness for binding.

  2. Install front passenger air bag module into the instrument panel to check fit with the instrument panel.

  3. If no damage is found, reinstall with new fasteners.

  4. If damaged - REPLACE. Install front passenger air bag modules with new fasteners.

Front passenger knee air bag module

If the front passenger knee air bag has not been activated:

  1. Remove front passenger knee air bag module. Check harness cover and connectors for damage, terminals for deformities, and harness for binding.

  2. Install front passenger knee air bag module into the instrument panel to check fit with the instrument panel.

  3. If no damage is found, reinstall with new fasteners.

  4. If damaged - REPLACE. Install front passenger knee air bag modules with new fasteners.

Crash zone sensor

If the front air bags or seat belt pre-tensioners have not been activated:

  1. Remove the crash zone sensor. Check harness connectors for damage, terminals for deformities, and harness for binding.

  2. Check for visible signs of damage (dents, cracks, deformation) of the crash zone sensor and bracket.

  3. Install the crash zone sensor to check fit.

  4. If no damage is found, reinstall with new fasteners.

  5. If damaged - REPLACE the crash zone sensor and bracket with new fasteners.

Seat belt pre-tensioner assemblies

(All applicable locations: buckle, retractor, lap outer)

If the pre-tensioners have not been activated:

  1. Remove seat belt pre-tensioners. Check harness cover and connectors for damage, terminals for deformities, and harness for binding.

  2. Check belts for damage and anchors for loose mounting.

  3. Check retractor for smooth operation.

  4. Check seat belt adjuster for damage.

  5. Check for deformities of the center pillar inner.

  6. If the center pillar inner has no damage, REPLACE the seat belt pre-tensioner assembly.

  7. If no damage is found, reinstall seat belt pre-tensioner assembly with new fasteners.

  8. If damaged - REPLACE. Install the seat belt pre-tensioner assembly with new fasteners.

Diagnosis sensor unit

If none of the SRS components have been activated:

  1. Check case for dents, cracks or deformities.

  2. Check connectors for damage, and terminals for deformities.

  3. If no damage is found, reinstall with new fasteners.

  4. If damaged - REPLACE. Install diagnosis sensor unit with new fasteners.

Steering wheel

  1. Visually check steering wheel for deformities.

  2. Check steering wheel for excessive free play.

  3. If no damage is found, reinstall.

  4. If damaged - REPLACE.

Spiral cable

If the driver front air bag has not deployed:

  1. Visually check spiral cable and combination switch for damage.

  2. Check connectors and protective tape for damage.

  3. Check steering wheel for noise, binding or heavy operation.

  4. If no damage is found, reinstall.

  5. If damaged - REPLACE.

Occupant classification system (Passenger seat)

  1. Remove passenger seat assembly.

  2. Check control unit case for dents, cracks of deformities.

  3. Check connectors for damage and terminals for deformities.

  4. Check seat frame and cushion pan for dents or deformities.

  5. If no damage is found, reinstall seat with new fasteners.

  6. If damaged - REPLACE seat cushion assembly with new fasteners.

Harness and connectors

  1. Check connectors for poor connection, damage, and terminals for deformities.

  2. Check harness for binding, chafing, cuts, or deformities.

  3. If no damage is found, reinstall the harness and connectors.

Instrument panel assembly

If the passenger front air bag has not deployed:

  1. Visually check instrument panel for damage.

  2. If no damage is found, reinstall the instrument panel assembly.

  3. If damaged - REPLACE the instrument panel assembly.

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