air bag SSANGYONG KORANDO 2012 User Guide

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As the air bag system is very hot after being deployed, allow at least 30 minutes for the system to cool
down sufficiently before touching it. It can cause serious burns.
When an occupant fastens the seat belt in an unstable or inclined posture, the air bag system cannot
protect the occupant properly. Moreover, the occupant can be injured by the air bag.
Children and infants should ride in a rear seat. Seating in the passenger's seat with carrying a child or
infant is strictly prohibited. An infant or a child could be severely injured by air bag deployed.
A child restraint system must be placed in a rear seat.
A child restraint system must not be placed in the passenger's seat. An infant or a child could be
severely injured by the air bag deployment.
Do not cover, place any object or affix any stickers on the air bag inflation location.
Do not cover the front seat. The side air bag will not work properly.
Never put your arms around the front seat from behind, lean on the front seatback, or put your arms
out of the window. You can severely injured when the side air bag deploys.
Never lean on the door since it becomes very dangerous when the side air bag deploys.
Do not put any object such as an umbrella or bags between the door and side air bag mounting.
The side air bag deploys when there is a severe side collision.
Do not put any object such as an umbrella or bags between the door and side air bag mounting.
Do not slam the front door to close it. The side air bag may deploy unexpectedly.
Do not move your seat too close to the steering wheel or dashboard. Being too close to the steering
wheel or instrument panel during the air bag deployment could cause serious injury, including death
Move back as far as practical to allow the air bag room to inflate when driving.
Do not incline toward the steering wheel or hold the steering wheel with your hands crossed. Never
allow the front passenger to put hands or feet on the dash board. It can cause severe injures when
the air bag inflates.
Never put your feet on the dash board. You can severely injured when the air bag inflates.
It is normal that a loud noise, dust and smoke occur when the air bag and seat belt pretensioner
operate.
A large quantity of non-toxic gas is generated when the air bag or seat belt pretensioner deploys. If
these airborne particles irritate your skin, eyes, nose, or throat, rinse the area with cool water. If the
irritation continues, see your doctor.
The windshield glass may be broken when the passenger air bag deploys.
The air bag is a unit to save an occupant's life from sudden accident and it inflates at a very fast speed
by gas with high temperature, which might cause injury, such as an abrasion, bruise and burn
depending on the accident conditions.
A loud noise and non-toxic smoke-like particles are generated when air bags deploy. -
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4. CAUTIONS FOR AIR BAG OPERATION
When there is any deployed air bag (including curtain air bag and seat belt pretensioner), the air
bag unit should be replaced. Any DTC (Diagnostic Trouble Code) for the air bag unit should not
be cleared since it has status data when the air bag deployed.
Note that the used components related to the air bag system, especially the air bag unit, should
be packed in an air tight container to prevent any damage.
Do not connect a tester probe to the air bag connector or air bag body to measure the supply
voltage or resistance. The detonator may explode due to a sudden extra power supplied by the
tester.
Before removing or installing any air bag related components, disconnect the negative battery
cable. 1.
2.
3.
4. When turning on the ignition switch, the air bag warning lamp is illuminated for about 6 sec. and then
goes off.
If the air bag warning lamp comes on or does not go off while the vehicle is driven, the air bag system is
faulty.

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Driver side air bagSeat Belt Pretensioner
SDM unit assembly
BCM
Driver air bag module Passenger air bag module
1. SYSTEM CONFIGURATION

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Inflatable curtain air bag module
Side air bag sensor
assembly
Front impact sensor
assembly
Air bag warning lamp
(IP)
Height adjuster

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2. OPERATING CONDITIONS
1) Front Air Bag Operating Conditions When A Frontal Impact
Occurs
2) Side Air Bag Operating Conditions When A Side Impact Occurs
Impact to Left direction Right direction
Seat belt pretensioner - Driver side IGN IGN
Seat belt pretensioner - Passenger side IGN IGN
Side air bag module - Passenger side IGN Not ignite
Side air bag module - Passenger side Not ignite IGN
Inflatable curtain air bag module - Driver side IGN Not ignite
Inflatable curtain air bag module - Passenger side Not ignite IGN
Impact to Front side
Driver air bag IGN
Passenger air bag IGN
Seat belt pretensioner - Driver side IGN
Seat belt pretensioner - Passenger side IGN
Once the ignition starts, the SDM starts to diagnose the air bag system during the ignition process.
If the system is OK, the SDM is armed for a specific impact on the vehicle. The ignition time takes about
6 sec.

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Air bag moduleDriver/passenger
Air bagSide air bag Curtain air bagSeat belt
Pretensioner
Resistance at -30 to
+85°C2.0 ±0.3 Ω 2.0 ±0.3 Ω 2.0 ±0.3 Ω 2.15 ±0.35 Ω
Non-ignition current
at +85°CFor 10 sec.
0.4 A For 10 sec.
0.4 AFor 10 sec.
0.4 AFor 10 sec.
0.2 A
All-ignition current at -
35°CFor 2 msec.
1.2 AFor 2 msec.
1.2 AFor 2 msec.
1.2 AFor 2 msec.
0.8 A
Periodic
test currentContinuous
50 mAContinuous
50 mAContinuous
50 mAContinuous
50 mA
Insulating resistanceFor 2 sec.
at DC 500 V
1 MΩFor 2 sec.
at DC 500 V
1 MΩFor 2 sec.
at DC 500 V
1 MΩ
At DC 500 V, 100
KΩ
3. DEPLOYMENT
According to the collision deceleration rate that each collision G sensor reads, the air bag unit sends out
about 2~4 or higher Amp current. This current generates some heat, which fires the detonator in the
inflator.
The table shows the basic inner resistance of the air bag related module and the basic instant current
necessary for firing.
1) Air Bag System Deployment (Firing Loop)
Do not connect a tester probe to the air bag connector or air bag body to measure the supply
voltage or resistance. The detonator may explode due to a sudden extra power supplied by the
tester.
Before removing or installing any air bag related components, disconnect the negative battery
cable. -
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Pin No. Driver side (or LH) Passenger side (or RH)
Front air bag 0.0366 Ω 0.0530 Ω
Belt pretensioner 0.1477 Ω 0.1563 Ω
Side air bag 0.1074 Ω 0.1149 Ω
Curtain air bag 0.2210 Ω 0.2327 Ω
Resistance of air bag wiring ▶

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2) Air Bag Deployment Signal Output (Crash Out)
When a situation which requires air bag deployment occurs, they system outputs the air bag deployment
signal (crash out). If another air bag-required situation occurs while the deployment signal is sent, the
second crash out will be delayed until the current 200 ms crash out is completed. (The tolerance at the
time of signaling is ±5%)
The signal repeats increasing for 390 msec. and decreasing for 10 msec. before crash. At the time of
crash, the switch is closed and the signal is kept low condition for 200 msec.
At the time of crash, the crash out signal is changed to the low condition for 200 ms immediately to
indicate the crash moment.

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3) CAN Communication Interface (FIS and SIS)
The CAN communication interface uses the PWM for the supply current and the current loop and
communicates with the SDM to transmit the information. The serial communication and power for the
satellite are supplied through the communication line.
Stage FIS SIS
Initial stage Tracking/Check (Self test) Same as FIS
Normal operation Checks the FIS condition and sends the result as
"OK" or "NOK", and also sends the "severity" of the
crash. Same as FIS
Voltage The FIS hardware reset was performed under 5 V,
communication voltage low Same as FIS
Fault The fault is found in the current ignition cycle but the
fault is deactivated in the next ignition cycle. Multiple faults can be found
and deactivated in the same
ignition cycle.
The FIS moves to the initial stage if 'leakage to GND' is occurred in normal operating stage to shut down
the power and prevent abnormal operation.
※ FIS: Front Impact Sensor
SIS: Side Air bag Sensor

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4. AIR BAG WARNING LAMP OPERATIONAL CONDITIONS
When there are no active and past faults ▶
The air bag warning lamp is operated as shown below if there is no fault occurred in the previous ignition
cycle and the SDM is running without any active fault right after starting the ignition cycle.
When there is no active fault and past faults occurred less than 10 times ▶
The warning lamp is operated as shown below every time the vehicle is started if the SDM is running
without any active fault in the entire time and past faults in the previous ignition cycle occurred within 10
times.
"Battery voltage too low" is not included in the past faults.

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5. CIRCUIT DIAGRAM
8810-01 Air bag (Curtain air bag/Side air bag) ▶