Infiniti I30 (A33). Manual — part 577

Collision Diagnosis

=NHRS0033

FOR FRONTAL COLLISION

NHRS0033S07

To repair the SRS, perform the following steps.
When SRS (except the side air bag) is activated in a collision:
1) Replace the diagnosis sensor unit.
2) Remove the air bag modules (except the side air bag module), crash zone sensor assembly, bracket and

seat belt pre-tensioner assemblies.

3) Check the SRS components using the table shown below:

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Replace any SRS components showing visible signs of damage (dents, cracks and deformation).

4) Install new air bag modules (except the side air bag module) and seat belt pre-tensioner assemblies.
5) Conduct self-diagnosis using CONSULT-II or “AIR BAG” warning lamp. Refer to “SRS Operation Check”

for details (RS-44). Ensure entire SRS operation properly.

When SRS is not activated in a collision:
1) Check the SRS components using the table shown below:

I

Replace any SRS components showing visible signs of damage (dents, cracks and deformation).

2) Conduct self-diagnosis using CONSULT-II or “AIR BAG” warning lamp. Refer to “SRS Operation Check”

for details (RS-44). Ensure entire SRS operation properly.

SRS Inspection (For frontal collision)

NHRS0033S0701

Part

SRS is activated

SRS is NOT activated

Air bag module (driver
and passenger side)

REPLACE
Install with new spe-
cial bolts coated with
bonding agent.

1. Remove air bag module. Check harness cover and connectors for damage,

terminals for deformities, and harness for binding.

2.
a. Install driver air bag module into the steering wheel to check fit and alignment

with the wheel.

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

instrument panel.

3. No damage found, reinstall with new bolts coated with bonding agent.
4. If damaged—REPLACE. Install air bag modules with new special bolts coated

with bonding agent. Air bag must be deployed before discarding.

Crash zone sensor

REPLACE the crash
zone sensor and
bracket with new nuts
and bolts coated with
bonding agent.

1. Remove the crash zone sensor. Check harness connectors for damage, termi-

nals 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 the crash zone sensor with new nuts coated

with bonding agent.

5. If damaged—REPLACE the crash zone sensor and bracket with new nuts and

bolts coated with bonding agent.

Seat belt pre-ten-
sioner assembly

REPLACE
Install seat belt pre-
tensioner with new
bolts.

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. If no damage is found, reinstall seat belt pre-tensioner assembly.
5. If damaged—REPLACE. Install the seat belt pre-tensioners with new bolts

coated with bonding agent. Seat belt pre-tensioners must be deployed before
discarding.

Diagnosis sensor unit

REPLACE
Install with new bolts
coated with bonding
agent.

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 special bolts and ground bolt coated

with bonding agent.

4. If damaged—REPLACE. Install diagnosis sensor unit with new special bolts

and ground bolt coated with bonding agent.

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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Collision Diagnosis

RS-65

Part

SRS is activated

SRS is NOT activated

Steering wheel

1. Visually check steering wheel for deformities.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformities.
3. Install air bag module to check fit or alignment with steering wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall with bolts.
6. If damaged—REPLACE.

Spiral cable

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 with bolts.
5. If damaged—REPLACE.

Harness and Connec-
tors

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.
4. Damaged—REPLACE damaged section of harness. Do not attempt to repair, splice or modify any SRS

harness.

Instrument panel

1. When passenger air bag inflates, check the following points for bending, deformities or cracks.

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Opening portion for passenger air bag

SRS794

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Passenger air bag module brackets

SRS795

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The portions securing the instrument panel

SRS796

2. If no damage is found, reinstall the instrument panel.
3. If damaged—REPLACE the instrument panel with bolts.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Collision Diagnosis (Cont’d)

RS-66

FOR SIDE COLLISION

=NHRS0033S08

To repair the SRS for a side collision, perform the following steps.
When the side air bag is activated in the side collision:
1) Replace the following component:
−

All parts of seatback (including seatback frame) with side air bag module (on the side on which side air
bag is activated)

−

Diagnosis sensor unit

−

Satellite sensor (on the side on which side air bag is activated)

2) Check the SRS components and the related parts using the table shown below.

I

Replace any SRS components and the related parts showing visible signs of damage (dents, cracks,
deformation).

3) Conduct self-diagnosis using CONSULT-II or “AIR BAG” warning lamp. Refer to “SRS Operation Check”

for details (RS-44). Ensure entire SRS operation properly.

When SRS is not activated in the side collision:
1) Check the SRS components and the related parts using the table shown below.

I

Replace any SRS components and the related parts showing visible signs of damage (dents, cracks,
deformation).

2) Conduct self-diagnosis using CONSULT-II or “AIR BAG” warning lamp. Refer to “SRS Operation Check”

for details (RS-44). Ensure entire SRS operation properly.

SRS Inspection (For side collision)

NHRS0033S0801

Part

Side air bag is acti-

vated

SRS is NOT activated

Side air bags module
(LH or RH)

REPLACE all parts of
seat back with
deployed side air bag
module.

1. Check for visible signs of damage (dents, tears, deformation) of the seat back

on the collision side.

2. If damaged—REPLACE the damaged seat parts with new bolts and remove

the side air bag module.

3. Check for visible signs of damaged (tesrs etc.) of the side air bag module.
4. Check harness and connectors for damage, and terminals for deformities.
5. If no damaged is found, reinstall the side air bag module with new torx nuts

coated with bonding agent.

6. If damaged—REPLACE the side air bag module with new torx nuts coated with

bonding agent. Air bag must be deployed before disposing of it.

Satellite sensor (LH
or RH)

REPLACE the satel-
lite sensor on the col-
lision side with new
nuts coated with
bonding agent.
(Repair the center
pillar inner, etc. before
installing new one if
damaged.)

1. Remove the satellite sensor on the collision side. Check harness connectors

for damage, terminals for deformities, and harness for binding.

2. Check for visible signs of damage (dents, cracks, deformation) of the satellite

sensor.

3. Install the satellite sensor to check fit.
4. If no damage is found, reinstall the satellite sensor with new nuts coated with

bonding agent.

5. If damaged—REPLACE the satellite sensor with new nuts coated with bonding

agent.

Diagnosis sensor unit

REPLACE the diag-
nosis sensor unit with
the new bolts.

1. Check case and bracket for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall the diagnosis sensor unit with new special bolts

and ground bolt.

4. If damaged—REPLACE. Install the diagnosis sensor unit with new special

bolts and ground bolt.

Seat belt pre-ten-
sioner assembly

1. Check if the seat belt can be extended smoothly.

If the seat belt cannot be extended smoothly.

–

Check for deformities of the center pillar inner.

–

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

2. Remove the seat belt pre-tensioner assembly on the collision side. Check harness cover and connec-

tors for damage, terminals for deformities, and harness for binding.

3. Check for visible signs of damage (dents, cracks, deformation) of the seat belt pre-tensioner assembly.
4. If no damage is found, reinstall the seat belt pre-tensioner assembly.
5. If damaged—REPLACE the seat belt pre-tensioner assembly with new bolts coated with bonding

agent. The seat belt pre-tensioner assembly must be deployed before disposing of it.

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LC

EC

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AX

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BR

ST

BT

HA

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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Collision Diagnosis (Cont’d)

RS-67

Part

Side air bag is acti-

vated

SRS is NOT activated

Seat with side air bag

REPLACE all parts of
seat back (including
seat back frame)

1. Visually check the seat on the collision side.
2. Remove the seat on the collision side and check the following for damage and

deformities.

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Harness, connectors and terminals

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Frame and recliner (for front and rear seat), and also adjuster and slides (for
front seat)

3. If no damage is found, reinstall the seat.
4. If damaged—REPLACE the damaged seat parts with new bolts.

Center pillar inner

1. Check the center pillar inner on the collision side for damage (dents, cracks, deformation).
2. If damaged—REPAIR the center pillar inner.

Trim

1. Check for visible signs of damage (dents, cracks, deformation) of the interior trim on the collision side.
2. If damaged—REPLACE the damaged trim parts.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

Collision Diagnosis (Cont’d)

RS-68