RM38N0EC _58 Vehicle Interior _111838 SUPPLEMENTAL RESTRAINT SYSTEMS _0499714 AIRBAG SYSTEM D

SUPPLEMENTAL RESTRAINT SYSTEMS  AIRBAG SYSTEM  OPERATION CHECK  


PRECAUTION FOR OPERATION CHECK


CAUTION:
C376913

Use the correct procedure to replace the airbag parts.



CHECK SRS WARNING LIGHT


a.

Primary check

i.
C129423

Turn the ignition switch to ON and check that the SRS warning light turns on.


ii.

Turn the ignition switch off. Wait for at least 2 seconds, and then turn the ignition switch to ON. The SRS warning light comes on for approximately 6 seconds and diagnosis of the airbag system (including the seat belt pretensioners) is performed.

NOTICE:

Turn the ignition switch off when the auxiliary battery is connected.


HINT:
·

If the SRS warning light remains on for approximately 6 seconds or more after the ignition switch has been turned to ON, there may be a malfunction with the airbag system.

·

If the warning light occasionally turns on approximately 6 seconds or more after the ignition switch has been turned to ON, there may be a short to +B, short to ground or an open in the SRS warning light circuit.

·

If the warning light illuminates after turning the ignition switch off or to ACC, there may be a malfunction in the power source circuit or combination meter assembly.

·

The SRS warning light turns off, and then turns on. This blinking pattern indicates a source voltage drop. The SRS warning light turns off 6 to 10 seconds after the source voltage returns to normal.






INSPECT AIRBAG COMPONENTS


a.

Inspect the SRS parts in table below.

Component to Inspect Procedure
Horn button assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the horn button assembly installed to the vehicle.

HINT:

The defects are as follows:

·

Cuts on the surface or in the grooves

·

Small cracks on the surface or in the grooves

·

Significant discoloration on the surface or in the grooves



OK:

No defects are found.


If any defects are found, replace the horn button assembly with a new one.


Lower No. 1 instrument panel airbag assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the lower No. 1 instrument panel airbag assembly installed to the vehicle.

HINT:

The defects are as follows:

·

Cuts

·

Small cracks

·

Significant discoloration



OK:

No defects are found.


If any defects are found, replace the lower No. 1 instrument panel airbag assembly with a new one.


Instrument panel passenger airbag assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the instrument panel passenger airbag assembly installed to the vehicle.

HINT:

The defects are as follows:

·

Cuts on the instrument panel safety pad sub-assembly around the instrument panel passenger airbag assembly

·

Small cracks on the instrument panel safety pad sub-assembly around the instrument panel passenger airbag assembly

·

Significant discoloration on the instrument panel safety pad sub-assembly around the instrument panel passenger airbag assembly



OK:

No defects are found.


If any defects are found, replace the instrument panel safety pad sub-assembly with a new one.


Curtain shield airbag assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the curtain shield airbag assemblies installed to the vehicle.

HINT:

The defects are as follows:

·

Cuts on each pillar garnish or the roof headlining assembly around the curtain shield airbag assemblies

·

Small cracks on each pillar garnish or the roof headlining assembly around the curtain shield airbag assemblies

·

Significant discoloration on each pillar garnish or the roof headlining assembly around the curtain shield airbag assemblies



OK:

No defects are found.


If any defects are found, replace each pillar garnish or the roof headlining assembly with a new one.


Front seat airbag assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the front seat airbag assemblies installed to the vehicle.

HINT:

The defects are as follows:

·

Scratches, broken or frayed threads on the surface of the separate type front seatback assembly around the front seat airbag assemblies

·

Small cracks on the separate type front seatback assembly around the front seat airbag assemblies

·

Significant discoloration on the separate type front seatback assembly around the front seat airbag assemblies



OK:

No defects are found.


If any defects are found, replace the separate type front seatback cover or separate type front seatback pad with a new one.


Front seat outer belt assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the front seat outer belt assemblies installed to the vehicle.

HINT:

The defects are as follows:

·

Cuts

·

Small cracks

·

Significant discoloration



OK:

No defects are found.


If any defects are found, replace the front seat outer belt assembly with a new one.


Rear seat outer belt assembly
1.

Perform a diagnostic system check.

2.

Visually check for defects with the rear seat outer belt assemblies installed to the vehicle.

HINT:

The defects are as follows:

·

Cuts

·

Small cracks

·

Significant discoloration



OK:

No defects are found.


If any defects are found, replace the rear seat outer belt assembly with a new one.


Airbag sensor assembly
1.

Check for DTCs and freeze frame data.


Front airbag sensor
Side airbag pressure sensor
Floor side airbag sensor
Harness and connector