SSANGYONG korando C200 Service Manual
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SSANGYONG korando C200 Service Manual

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1. SPECIFICATION

Operating voltage
Voltage for system diagnosis and SDM self diagnosis
Ignition voltage for side air bag and pretensioner
Communication voltage for front impact sensor
Communication voltage for side impact sensor
Operating temperature
Storage temperature
Ignition temperature
Over voltage protection
2. MAJOR REPLACEMENT PARTS AFTER AIR BAG

1) In Case of Front Air Bag Deployment

Air bag unit and its wiring (including connector), seat belt pretensioner and its wiring (including
connector), whole front air bags, instrument panel, front impact sensor and other damaged

2) In Case of Curtain Air Bag Deployment

Deployed curtain air bag, air bag unit and its wiring (including connector), impact G sensor
assembly for curtain air bag, damaged trim, seat and roof headlining
02-3
8810-00
9 to 16 V
9 to 16 V
9 to 16 V
9 to 16 V
9 to 16 V
-40℃ to 85℃
-40℃ to 90℃
-30℃ to 85℃
24 V
korando 2010.10

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  • Page 1 02-3 8810-00 1. SPECIFICATION Operating voltage 9 to 16 V Voltage for system diagnosis and SDM self diagnosis 9 to 16 V Ignition voltage for side air bag and pretensioner 9 to 16 V Communication voltage for front impact sensor 9 to 16 V Communication voltage for side impact sensor 9 to 16 V...
  • Page 2 02-4 8810-00 3. OPERATION 1) Front Air Bag System ▶ The air bag deploys when: A front collision occurs, which occupants cannot be protected by seat belt. ▶ The air bag can deploy when: Underbody impact from the road surface, impact against the curb at a very high speed, or dropping impact onto the road surface with a large angle occurs.
  • Page 3 02-5 8810-00 2) Side Air Bag System ▶ Curtain air bag The curtain air bags, which are part of the side air bag system, are installed in both roof side rails. ▶ Side air bag Passenger seat Driver seat The side air bags are installed in the outer sides of the driver's and passenger's seats to minimize occupants' side injuries in case of a side impact.
  • Page 4 02-6 8810-00 ▶ The air bag deploys when: A severe oblique collision occurs corresponding to vehicle specifications for degree, angle, speed, and position of the impact. ▶ The air bag can deploy when: The vehicle rolls over or tips over sideward by severe impact. The vehicle is stationary or a front collision occurs with low speed.
  • Page 5 02-7 8810-00 The air bag contains explosive materials, so handle it carefully when disposing or replacing The air bag components will be very hot immediately after deployment. Do not touch them until they cool down. Once the air bag system is triggered, the triggered air bag assembly should be removed from the vehicle and replaced with a new one Once triggered air bag/seat belt pretensioner related components cannot be reused, so they should be removed from the vehicle and the whole system should be replaced with a new one.
  • Page 6 02-8 8810-00 4. CAUTIONS FOR AIR BAG OPERATION When turning on the ignition switch, the air bag warning lamp comes on for about 6 seconds and goes off. It should be determined as a faulty air bag system if the air bag warning lamp does not come on or go off while the vehicle is operating normally.
  • Page 8 02-10 8810-00 1. SYSTEM CONFIGURATION Passenger air bag module Driver air bag module SDM unit Driver side air bag Seat belt pretensioner AIR BAG SYSTEM korando 2010.10...
  • Page 9 02-11 8810-00 Height adjuster Front impact sensor assembly Air bag warning lamp (instrument cluster) Side air bag sensor assembly Inflatable curtain air bag module AIR BAG SYSTEM korando 2010.10...
  • Page 10 02-12 8810-00 2. OPERATING CONDITIONS When the ignition switch is turned to ON, SDM starts to diagnoses the air bag system during the ignition process. If the system is OK, SDM is armed for a specific impact on the vehicle. 1) Deploying Conditions for Front Air Bag Impact area Front side...
  • Page 11 02-13 8810-00 3. OPERATION 1) Deployment (Firing Loop) According to the collision deceleration rate that each collision G sensor reads, the air bag unit sends out about 2 to 4 or higher Amp current. This current generates some heat, which fires the detonator in the inflator.
  • Page 12 02-14 0000-00 2) Air Bag Deployment Signal Output (Crash Out) When any air bag deploys, crash out is performed. If other deployment is occurred while a deployment signal is output, another crash out is delayed until the current 200 ms crash out is completed.
  • Page 13 02-15 8810-00 ▶ Collision signal interface The open collector driver raises or lowers the voltage of the pin No. 58 by switching on and off the drive transistor. The vehicle module can be operated normally only when the rule of the open collector interface is followed and can be maintained in a pull -up state.
  • Page 14 02-16 0000-00 3) CAN Communication Interface (FIS and SIS) The CAN communication interface uses PWM for the supply current and the current loop and communicates with the SDM to transmit information. The serial communication and power for the satellite are supplied through the communication line. Stage Initial stage Tracking/Check (Self test)
  • Page 15 02-17 0000-00 4. AIR BAG WARNING LAMP OPERATIONAL CONDITION ▶ 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 in the ignition cycle.
  • Page 16 02-18 0000-00 ▶ When there is an active fault or past faults occurred 10 times or more If active fault or past faults which occurred 10 times or more in the last ignition cycle, the SDM operates the warning lamp as shown below. If below conditions are met, the SDM is operated in the same way.

  • Page 17: Circuit Diagram

    02-19 8810-00 4. CIRCUIT DIAGRAM AIR BAG SYSTEM korando 2010.10...
  • Page 18 02-20 8810-00 Unit assy - SDM Bolt T/screw - Truss_M4x0x12 Air bag module - Driver Grommet screw_M4 Air bag module - Passenger Sensor assy - Side air bag Screw Screw Sensor assy - FRT impact Air bag module - INF curtain Wiring assy - Air bag Brkt - Icab FRT Wiring assy - Air bag EXTN...
  • Page 19 02-21 8620-13 The driver's air bag is installed inside the steering wheel. If the acceleration sensor (inside the air bag unit) is activated by the deceleration from vehicle collision, the detonation is fired by the electrical signal of the air bag unit. Then, the detonation sets off explosives and nitrogen gas is generated.
  • Page 20 02-22 8620-13 2) Components Air bag cover Air bag cushion (approx. 50 liters) Retainer ring Air bag housing Inflator (approx. 195 kP) The inflator consists of the detonator, explosives, and the gas generator. It inflates the air bag when the vehicle collides.
  • Page 21 02-23 8620-23 The passenger's air bag is installed inside the instrument panel above the glove box. Its operation process is the same as the driver's one. The driver's air bag, the passenger's air bag, and the seat belt pretensioners on both seats are made to operate together. When the collision G sensor inside the air bag unit sends a collision signal, the air bag unit instantaneously applies a high current to the driver's and passenger's air bags and the seat belt pretensioners on both seats, fires the detonator in the inflator, and inflates the air bag cushions (curtain air bags...
  • Page 22 02-24 8620-23 2) Components Air bag cover Air bag cushion (approx. 50 liters) Air bag housing Retainer Inflator (approx. 330 kP) Cowl bracket 3) Inflator Circuit AIR BAG SYSTEM korando 2010.10...
  • Page 23 02-25 8621-03 The curtain air bags are installed on both sides of the roof side rails and inside the headlinings. Each curtain air bag is also composed of the air bag cushion and the inflator that has the detonator, explosives, and the gas generator. 1) Location Installed Deployed...
  • Page 24 02-26 8621-03 2) Components Curtain air bag mountings (6 points) Air bag cushion Inflator mountings Cover - curtain air bag Inflator Bolt Gas guide AIR BAG SYSTEM korando 2010.10...
  • Page 25 02-27 8621-03 3) Inflator Circuit AIR BAG SYSTEM korando 2010.10...
  • Page 26 02-28 7400-13 The side air bags are installed in the outer sides of the driver, passenger and rear seats to minimize the side impact applied to the occupant. The Side air bags and curtain air bags are operated independently from the front air bag system. 1) Mounting Location Driver side Passenger side...
  • Page 27 02-29 7400-13 2) Components Air bag cover Inflator Air bag cushion Wiring harness Deflector 3) Inflator Circuit AIR BAG SYSTEM korando 2010.10...
  • Page 28 02-30 7460-13 The belt pretensioner retracts the seat belt to tighten or take up slack in the wearer's belt. When a collision occurs or when brakes are applied, a seat belt with a pretensioner detects the stopping action and tightens the belt before the wearer is propelled forward. This holds the occupant more securely in the seat.
  • Page 29 02-31 7460-13 2) Components 1. Pretensioner reel assembly 2. Reel bracket 3. Upper stay for ring 4. D-ring 5. Bending tongue 6. Tongue stopper 7. Mini-anchor 8. D-bolt 9. Washer 10. Fiber washer 11. Rivet 12. D label 13. Plastic washer 14.
  • Page 30 02-32 7460-13 3) Inflator Circuit AIR BAG SYSTEM korando 2010.10...
  • Page 31 02-33 8627-03 The front air bag system is activated mainly by the signal from the front impact sensor assembly. The SDM unit assembly compares this signal with its longitudinal/lateral G sensor values to inflate the front air bag. 1) Mounting Location Front impact sensor Front impact sensor assembly (RH)
  • Page 32 02-34 8627-03 2) Front Impact Sensor Connector Pin No. Function Signal Ground 3) Front Impact Sensor Circuit AIR BAG SYSTEM korando 2010.10...
  • Page 33 02-35 8627-03 The side air bag sensor assembly receives an ignition signal from the SDM unit assembly independently from the front air bag system. The ignition signals of the side air bag system are supplied from the 2 side air bag sensors installed to the side center of the vehicle body. 1) Location <Left>...
  • Page 34 02-36 8627-03 2) Side Air Bag Sensor Connector Pin No. Function Signal Ground 3) Side Air Bag Sensor Circuit AIR BAG SYSTEM korando 2010.10...
  • Page 35 02-37 8625-03 1) Location The SDM unit assembly is mounted under the front of the front console. Location SDM unit assembly Connector AIR BAG SYSTEM korando 2010.10...
  • Page 36 02-38 8625-03 2) Major Functions Detects crash Activates the front air bag, side air bag, curtain air bag and belt pretensioners Monitors the safety system Indicates system readiness and faults to the driver by means of a fault warning lamp Facilitates servicing capability via a serial diagnostic communication interfaces Diagnoses the system including internal system monitoring and ambient sensor monitoring Automatic activation...
  • Page 37 02-39 8625-03 ▶ Orthogonal acceleration sensor The integrated electrical acceleration sensor provides an electrical signal of the vehicle's acceleration along the orthogonal axis and longitudinal axis. The electrical signals are proportional to the acceleration. Those signals are evaluated by the micro controller via the A/D converter.

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