Rear center
In-vehicle
24-10Seat Belts
Inspection (cont’d)
40 °
40 °40 °
40 °
15 ° 15 °
15 °
15 °
A Inside Front
3. Replace the seat belt with a new assembly if there
is any abnormality. Do not disassemble any part of
the seat belt for any reason. 1. Check that the seat belt is not twisted or caught on
anything.
2. After installing the anchors, check for free movement on the anchor bolts. If necessary,
remove the anchor bolts and check that the
washers and other parts are not damaged or
improperly installed.
3. Check the seat belts for damage or discoloration. Clean with a shop towel if necessary. Use only
soap and water to clean the seat belts.
NOTE: Dirt build-up in the loops of the upper
anchors can cause the seat belts to retract slowly.
Wipe the inside of the loops with a clean cloth
dampened in isopropyl alcohol.
4. Check that the seat belt does not lock when pulled out slowly. The seat belt is designed to lock only
during a sudden stop or impact.
5. Make sure that the seat belt will retract automatically when released.
6. For front passenger’s seat belt and all rear seat belts, check the seat belt retractor locking
mechanism automatic locking retractor (ALR). This
function is for securing child seats.
–1 Pull the seat belt all the way out to engage the ALR. The seat belt should retract with a
ratcheting sound, but not extend. This is
normal.
–2 To disengage the ALR, release the seat belt and allow it to fully retract, then pull the seat belt
out part-way. The seat belt should retract and
extend normally.
7. Replace the seat belt with a new assembly if there is any abnormality. Do not disassemble any part of
the seat belt for any reason.
08/08/21 13:54:10 61SNR030_240_0010
ProCarManuals.com
DYNOMITE -2009-
Rear Safing Sensor
For the SRS to operate:
Seat Belt Tensioners and Seat Belt Buckle Tensioners
Driver’s and Front Passenger’s Airbag(s)
Side Airbag(s)
Side Curtain Airbag(s)
Side Airbag Cutoff Indicator/OPDS Operation
Passenger Airbag Cutoff Indicator
SRS Operation
24-36SRS
System Description (cont’d)
The rear safing sensor is located under the rear seat. The rear safing sensor performs the same basic function as the
safing sensor in the SRS unit. It measures sideways G force, such as the force the vehicle would receive in a side
collision in the rear, and sends that information to the SRS unit. The SRS unit uses that information, and the
information from the second side impact sensors to determine the side that is impacted and the force. If the threshold
is met, the SRS unit deploys the side airbag, the side curtain airbag, and the seat belt tensioner on that side.
The indicator comes on when the front passenger’s seat is occupied by a small adult or child who is leaning into the
deployment path, or when an object (grocery bag, briefcase, purse, etc.) is in the seat. This indicates the passenger’s
side airbag is off and will not deploy; there is no problem with the side airbag. If the passenger sits upright or moves
to another seat, or you remove the object from the seat, the light should go off. There will be some delay between the
occupant’s repositioning and when the indicator will turn on or off.
The indicator comes on if the weight on the front passenger’s seat is about 30 kg (65 lbs) or less. This indicates the
passenger’s front airbag is off and will not deploy. The front airbag is shut off to reduce the chance of airbag-caused
injuries.
The main circuit in the SRS unit senses and analyzes the force of impact and, if necessary, ignites the inflator charges.
If battery voltage is too low or power is disconnected due to the impact, the voltage regulator and the back-up power
circuit will keep voltage at a constant level.
(1) A front impact sensor, side impact sensor, or the rear safing sensor must activate and send electric signals to the
microprocessor.
(2) The microprocessor must compute the signals and trigger the tensioners.
(3) The charges must ignite and deploy the tensioners.
(1) A front impact sensor must activate and send electric signals to the microprocessor.
(2) The microprocessor must compute the signals and trigger the airbag inflator(s).
(3) The triggered inflators must ignite and deploy the airbags.
(1) A side impact sensor must activate and send electric signals to the microprocessor.
(2) The microprocessor must compute the signals and trigger the side airbag inflator(s). However, the microprocessor
does not trigger the front passenger’s side airbag if the SRS unit determines that the front passenger’s head is in the
deployment path of the side airbag.
(3) The inflator that receives the signal must ignite and deploy the side airbags.
(1) A side impact sensor or the rear safing sensor must activate, and send electrical signals to the microprocessor.
(2) The microprocessor must compute the signals and trigger the side curtain airbag and side airbag inflator(s).
(3) The triggered inflators must ignite and deploy the side curtain airbag and side airbag at the same time.
08/08/21 13:55:33 61SNR030_240_0036
ProCarManuals.com
DYNOMITE -2009-
