light ACURA CSX 2006 Service Repair Manual

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Seats with Side AirbagsDisconnecting System Connectors
Driver’s Airbag
24-19
SIDE AIRBAG
LABEL
A
B
Seats with side airbags have a ‘‘SIDE AIRBAG’’ label on
the seat-back.
 Clean the seats with a damp cloth. Do not soak the seats with liquid. Do not spray steam on the seats.
 Do not repair a torn or frayed seat-back cover. Replace the seat-back cover if it is damaged.
 After a collision in where the side airbag was deployed, replace the side airbag and the seat frame
with new parts. If the seat-back cushion is split, it
must be replaced.
 Never put aftermarket accessories on the seats (covers, pads, seat heaters, lights, etc.). 1. Disconnect the negative cable from the battery,
when wait at least 3 minutes.
2. Remove the access panel (A) from the steering wheel, then disconnect the driver’s airbag 4P
connector (B) from the cable reel.
(cont’d)
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Pre-operation Check Set-up After Replacing Front Passenger’s Seat
Component(s)
24-28SRS
ODS Unit Operation Check
A
Check the ODS operation after any of these actions.
 Replacement of front passenger’s seat component(s) (except ODS unit and/or weight sensors)
 After a vehicle collision
 SRS unit replacement
 Make sure all the components of the front passenger’s seat are correctly installed.
 Position the front passenger’s seat to the rearmost position.
 Adjust the seat-back to the forwardmost position.
 Do not move the seat from this position.
 Make sure nothing is on or under the front passenger’s seat.
 Make sure there is nothing in the front passenger’s seat-back pocket.
 Keep the windows and moonroof closed.
 Do all calibration procedures, except test-driving, in the service bay.
 Make sure the vehicle is on level gr ound.
 Turn the heater and the A/C off.
 Do not touch the front passenger’s seat during the calibration, unless you are prompted to or until you
have completed the operation check.
 Do not expose the front passenger’s seat to sudden temperature changes.
 Make sure all aftermarket devices such as amplifiers, fluorescent lights, air purifies, CB or HAM radios, etc.
are turned off. 1. Make sure the ignition switch is in LOCK (0).
2. Connect the HDS to the data link connector (DLC)
(A).
3. Turn the ignition switch to ON (II).
4. Make sure the HDS communicates with the vehicle and the SRS unit. If it does not communicate,
troubleshoot the DLC circuit (see page 11-204).
5. Drive the vehicle, accelerate to 20 mph (36 km/h), then stop on level ground.
6. From the HDS Main Menu, select SRS, then Inspection. In the HDS Inspection Menu, select
SEAT OUTPUT CHK and follow the prompts until
the ODS unit operation check is complete.
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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.
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µ
µ
µ
µ
YES
NO
YES
NO
DTC 86-1x (‘‘x’’ can be 0 thru 9 or A thru F):
DTC 86-2x (‘‘x’’ can be 0 thru 9 or A thru F):
24-16824-168SRS
DTC Troubleshooting (cont’d)
7. Initialize the ODS unit (see page 24-26).
8. Turn the ignition switch to ON (II), and check that
the SRS indicator comes on for about 6 seconds
and then goes off.
Replace the ODS unit (see page 24-209), then
clear the DTC. If the problem is still present, replace
the OPDS sensor/seat-back (see page 20-123).
Intermittent failure, the system is OK at this
time. Go to Troubleshooting Intermittent Failures
(see page 24-24). NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures (see page
24-13) and General Troubleshooting Information
(see page 24-22).
1. Clear the DTC memory (see page 24-23).
2. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
Go to step 3.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24). If another DTC is indicated,
troubleshoot the DTC.
NOTE: Aftermarket devices (fluorescent lights,
laptop computers, etc.) used near the front
passenger’s seat-back can interfere with the seat-
back sensors and cause a false DTC 86-1x or 86-2x.
If one of these devices was used, clear the DTC,
operate the device near the seat-back, and recheck
for DTCs. If DTC 86-1x or 86-2x is set, clear it, and
do not use the device near the seat-back.
Faulty OPDS Seat-Back Sensor
Faulty OPDS Seat Support Sensor
Does the SRS indicator go of f ?
Does the SRS indicator stay on, and is DT C 86-1xor 86-2x indicated?
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Deploying Components Out of the Vehicle
24-198SRS
Airbag and Tensioner Disposal (cont’d)
A
11. Connect a 12 V battery to the tool.
 If the green light on the tool comes on, the ignitercircuit is defective and cannot deploy the
component. Go to Disposal of Damaged
Components.
 If the red light on the tool comes on, the component is ready to be deployed.
12. Push the tool’s deployment switch. The airbags and tensioners should deploy (deployment is both
highly audible and visible: A loud noise and rapid
inflation of the bag, followed by slow deflation).
 If the components deploy and the green light on the tool comes on, continue with this procedure.
 If a component does not deploy, and the green light comes ON, its igniter is defective. Go to
Disposal of Damaged Components.
 During deployment, the airbags can become hot enough to burn you. Wait for 30 minutes after
deployment before touching the airbags.
13. Dispose of the complete airbag. No part of it can be reused. Place it in a sturdy plastic bag (A), and seal
it securely. Dispose of the deployed airbag
according to your local regulations. If an intact airbag or tensioner has been removed from
a scrapped vehicle, or has been found defective or
damaged during transit, storage, or service, it should be
deployed as follows:
1. Confirm that the deployment tool is functioning properly by following the check procedure
Deploying Airbags in the Vehicle on the tool label.
2. Position the airbag face up, outdoors, on flat ground, at least 30 ft (10 m) from any obstacles or
people.
3. Follow steps 10 through 13 of the in-vehicle deployment procedure.
NOTE: The driver’s and front passenger’s airbags
have dual inflators. Twist each pair of unlike
colored wires together, and clip an alligator clip to
each pair.
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Disposal of Damaged ComponentsDeployment Tool Check
24-199
1. If installed in a vehicle, follow the removal
procedure for the driver’s airbag (see page 24-188),
front passenger’s airbag (see page 24-189), side
airbag (see page 24-191), side curtain airbag
(see page 24-192), seat belt tensioner (see page
24-4), and seat belt buckle tensioner (see page 24-6).
2. In all cases, make a short circuit by cutting, stripping, and twisting together the two inflator
wires.
NOTE: The driver’s and front passenger’s airbags
have dual inflators. The like color wires go to the
individual inflators.
3. Package the component in exactly the same
packaging that the new replacement part came in.
4. Mark the outside of the box DAMAGED AIRBAG NOT DEPLOYED, DAMAGED SIDE AIRBAG NOT
DEPLOYED, DAMAGED SIDE CURTAIN AIRBAG
NOT DEPLOYED, or DAMAGED SEAT BELT
TENSIONER NOT DEPLOYED so it does not get
confused with your parts stock.
5. Contact your Acura District Parts and Service Manager for instructions on how and where to
return it for disposal. 1. Connect the yellow clips to both switch protector
handles on the tool.
2. Then connect the red lead to the positive battery post and the black lead to the negative battery post.
3. Push the operation switch: The green light should come on, indicating that the tool is operating
properly and is ready for use. If the red light stays
on, the tool is faulty, and another one must be used
for the procedure.
4. Disconnect the tool clips and connectors from the protector handles and the battery.
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