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DESCRIPTION 

 

SERVICE MANUAL 

 

Applies to: 

Hyundai Coupe/Tiburon 

1998-2001

 

GROUP 

Restraints 

SRS Air Bag System 

 

Return to Main Menu(s): 

Mechanical Manual  Electrical Manual

 

 

 

  DESCRIPTION 

 

The supplement restraint system (SRS AIR BAG) is designed to supplement the seat belt to help reduce the risk or 

severity of injury to the driver and passenger by activating and deploying the driver and passenger side air bag in 

certain frontal collisions. 

 

The SRS (Air Bag) consists of: a driver side air bag module located in the center of the steering wheel, which 

contains the folded cushion and an inflator unit; a passenger side air bag module located in the passenger side crash 

pad contains the folded cushion assembled with inflator unit; SRSCM located on the floor panel behind the T.G.S. 

select lever assembly which monitors the system, and accelerometer which senses the vehicle deceleration an spring 

interconnection (clock spring) located within the steering column; system wiring and wiring connector; and a knee 

bolster located under the steering column. 

 

The impact sensing function of the SRSCM is carried out by electronic accelerometer that continuously measure the 

vehicle's acceleration and delivers a corresponding signal through amplifying and filtering circuitry to the 

microprocessor. 

 

Deployment of the air-bag is designed to occur in frontal or near-frontal impacts of moderate of severe force. Only 

authorized service personnel should do work on or around the SRS components. Those service personnel should 

read this manual carefully before doing any such work. Extreme care must be used when servicing the SRS to avoid 

injury to the service personnel (by inadvertent deployment of the air bag) or the driver (by render the SRS 

inoperative). 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

file:///C/Mes%20Sites%20Web/RD%20service%20manual%20mechanical/www.newtonnet.co.uk/coupe/service/webtech/iindex-565.html[16/09/2019 11:46:12] 

Summary of Contents for 2001 Tiburon

Page 1: ...r which senses the vehicle deceleration an spring interconnection clock spring located within the steering column system wiring and wiring connector and a knee bolster located under the steering column The impact sensing function of the SRSCM is carried out by electronic accelerometer that continuously measure the vehicle s acceleration and delivers a corresponding signal through amplifying and fi...

Page 2: ...rom the battery memory of the clock and audio systems will be canceled So before starting work make a record of the contents memorized by the audio memory system When the work is finished reset the audio system and adjust the clock Malfunction symptoms of the airbag system are difficult to confirm so the diagnostic codes become the most important source of information when troubleshooting When tro...

Page 3: ...chanical Manual Electrical Manual SPECIAL SERVICE TOOLS Tool Name and Description Airbag wiring harness checker Airbag wiring harness checker 0957A 29000 Harness inspection SRSCM inspection with dummy terminals Deployment tool 0957A 34100 Deployment of undeploy Air bag module SRS DEPLOYMENT ADAPTER HARNESS 0957A 34200 ...

Page 4: ... ...

Page 5: ...upply to provide deployment energy for a short second when the vehicle voltage is low or if lost in a vehicle frontal crash Malfunction detection The SRSCM continuously monitors the current SRS operation status while the ignition key is turned on and detects the malfunction of the system The malfunction can be displayed in the form of diagnostic trouble code using Scan tool Hi scan MIL Malfunction...

Page 6: ... Return to Main Menu s Mechanical Manual Electrical Manual WARNING CAUTION LABELS A number of caution labels relating to the SRS are found in the vehicle as shown in the following illustration Follow label instructions when servicing SRS If labels are dirty or damaged replace them with new ones ...

Page 7: ... I_ _ ___ ...

Page 8: ... door frame WARNING failure to follow above instruction can result in injury to you or other occupants and children in the vehicle See SRS section in Owner s Manual for more information about airbag C CAUTION AIRBAG ESPS UNIT D CAUTION SRS Detach connector before unmounting Assemble strictly according to manual instructions Before replacing steering wheel read service manual center front wheels an...

Page 9: ...service manual instructions To re center rotate clockwise until tight Then rotate in opposite direction approximately 2 9 10 turns and align Failure to follow to instructions may render SRS system inoperative risking serious driver injury key Failure to do so may damage SRS clock spring and render SRS system inoperative risking serious driver injury I CAUTION ...

Page 10: ... module malfunction CHECK PROCEDURES The SRSCM shall measure the resistance of the DAB to detect a resistance which lies outside the allowed range Do not attempt to measure the resistance of DAB squib Before inspection Disconnect the battery negative terminal cable and wait at least 30 seconds Remove the DAB connector and PAB connector CHECK INFLATOR CIRCUIT Turn ignition switch to lock and discon...

Page 11: ... SPRING Remove the clock spring connector Connect the SRS harness checker to clock spring side connector and DAB dummy terminal Check continuity between checker terminal 3 and 4 LIMIT B1346 Continuity B1347 Non continuity CHECK PROCEDURE ...

Page 12: ...tween DAB module circuit harness and battery ground 6 20 KOHM CHECK ITEMS Short circuit in DAB harness DAB module malfunction Clock spring malfunction SRS control module malfunction CHECK PROCEDURES The SRS circuit consists of SRSCM spiral cable driver side airbag and passenger side airbag Before inspection Disconnect battery negative terminal and wait at least 30 seconds Remove the DAB and PAB co...

Page 13: ...or and SRSCM connector Connect SRS harness checker to the SRS harness checker to clock spring connector Connect battery and ignition ON and check continuity or voltage between terminals 3 4 to body ground respectively LIMIT B1348 Non continuity B1349 0V ...

Page 14: ...on CHECK PROCEDURES The SRSCM shall measure the resistance of the PAB to detect a resistance which lies outside the allowed range Never attempt to measure the resistance of PAB Before inspection Disconnect the battery negative terminal cable and wait at least 30 second to prevent unexpected deployment of airbag Remove the DAB and PAB connectors INFLATOR CIRCUIT PAB Disconnect SRSCM connector DAB a...

Page 15: ...I I INFLATOA CLOCK SPRING In l n l e I I 0 0 0 o 0 I 2 5 1 5 7 e 9 0 o 0 0 0 8 l 1 12 13 I 0957A 29000 SRS HARNESS CHECKER 0 I I I I ...

Page 16: ... Short circuit in PAB harness PAB module malfunction SRS control module malfunction CHECK PROCEDURES The SRS circuit consists of SRSCM spiral cable driver side airbag and passenger side airbag Before inspection Disconnect battery negative terminal cable and wait at least 30 seconds to prevent action of back up power Remove the DAB and PAB connectors CHECK INFLATOR CIRCUIT Disconnect SRSCM harness ...

Page 17: ...INFlATOR CIRCUIT lQ V l EB 0 II _I SRS HARNESS CHECKER 0 0 0 0 t 2 3 4 0 0 0 0 8 7 8 9 0 0 0 0 11 i2 iJ 14 15 0957A 29000 ...

Page 18: ...CTION The SRSCM shall also cyclically monitors the following Functional readiness of the firing circuit activation transistors driver and passenger side Adequacy of deployment energy reserves driver and passenger o side Safing sensor integrity detection of faulty closure longer than 4 seconds Plausibility of accelerometer signal Operation of SRSCM components A D converter etc The timely completion...

Page 19: ...RES When the airbag system is normal the SRI flashes for approx 6 seconds after the ignition switch is turned ON and then turns off automatically If there is a malfunction in the airbag system the SRI lights up to inform the driver of the abnormality The SRSCM shall measure the voltage at the airbag SRI Malfunction Indicator Lamp output pin both when the lamp is on and when the lamp is off to dete...

Page 20: ...LIMIT SRS SRI ON If no fault is found in wiring or connector replace the SRSCM ...

Page 21: ...anel Turn the ignition key to ON position and turn on Scan tool Perform the SRS diagnosis according to the vehicle model configuration If a fault code is assured then replace the component Never attempt to repair the component If the Scan tool finds that a component of the system is faulty there is a possibility that the fault is in SRS wiring or connector not on the component To eliminate the pos...

Page 22: ...shooting of airbag system If a fault code is confirmed by using Scan tool it is recommendable to check whether there is an abnormal condition in the connector or wiring around the Scan tool indicated components To prevent unnecessary component change make sure where the fault exists Connect the harness checker as illustrated above Not necessarily connect all the connector of checker Choose the nec...

Page 23: ...firm the trouble To verify the source of trouble with Scan tool first remove the DAB or PAB module connector as necessary and connect the dummy terminal to harness checker Then re check with Scan tool the trouble code If the fault is in the airbag modulator there should be no trouble codes on Scan tool screen Otherwise the trouble may on other components Such as connector or wiring ...

Page 24: ...nition input to detect an operating voltage out of the normal operating range POWER SOURCE Turn ignition switch to lock and disconnect the negative terminal cable from battery and wait at least 30 seconds Disconnect SRSCM connector DAB and PAB inflators Connect SRS harness checker to SRSCM harness side connector and connect battery negative terminal Turn ignition switch to ON position Measure the ...

Page 25: ...LIMIT Continuity ...

Page 26: ...SERVICE MANUAL Applies to Hyundai Coupe Tiburon 1998 2001 GROUP Restraints SRS Air Bag System Return to Main Menu s Mechanical Manual Electrical Manual COMPONENTS ...

Page 27: ... twin lock type connector lock lever should be in the lock state and care should be taken to place it so the connector will not be damaged Do not store a steering wheel pad on top of another one Storing the pad with its metallic surface up may lead to a serious accident if the airbag should inflate for some reason Never measure the resistance of the airbag squib This may cause the airbag to deploy...

Page 28: ...y appropriate circuitry that operates independently of the SRSCM as follow Loss of ignition voltage supply to the SRSCM lamp turned on continuously Loss of internal operating voltage lamp turned on continuously SRSCM not connected lamp turned on through shorting bar in wiring harness connector CLOCK SPRING The clock spring coil spring consists of two current carrying coils It is attached between t...

Page 29: ...CLOCK SPRING I PAB I I I I I I SRSCM I I I I ...

Page 30: ...to first follow the procedures described below to deploy the air bag AIR BAG REMOTE DEPLOYMENT DEVICES Tool Number Name Use Deployment tool 0957A 34100 SRS DEPLOYMENT ADAPTER HARNESS 0957A 34200 Deployment inside the vehicle when vehicle will not longer be driven DISPOSAL PLAN When the problem occurs take disposal steps as follows CASE DISPOSAL PLAN Abnormal problems in air bag module Return to HM...

Page 31: ...ve the battery from the vehicle CAUTION 1 If the vehicle is to be scrapped junked or otherwise disposed of deploy the air bag inside the vehicle 2 Since there is a loud noise when the air bag is deployed avoid residential areas whenever possible If anyone is nearby give warning of the impending noise 3 Since a large amount of smoke is produced when the air bag is deployed select a well ventilated ...

Page 32: ...oyment the air bag module should be disposed of in the same manner as any other scrap parts except that the following points should be carefully noted during disposal CAUTION 1 Before deploying the air bag in this manner first check to be sure that there is no one in or near the vehicle Wear safety glasses 2 The inflator will be quite hot immediately following the deployment so wait at least 30 mi...

Page 33: ...terial that could irritate the eyes and or skin so wear gloves and safety glasses when handling a deployed air bag module IF DESPITE THESE PRECAUTIONS THE MATERIAL DOES GET INTO THE EYES OR ON THE SKIN IMMEDIATELY RINSE THE AFFECTED AREA WITH A LARGE AMOUNT OF CLEAN WATER IF ANY IRRITATION DEVELOPS SEEK MEDICAL ATTENTION Tightly seal the air bag module in a strong vinyl bag for disposal Be sure to...

Page 34: ...SERVICE MANUAL Applies to Hyundai Coupe Tiburon 1998 2000 GROUP Restraints SRS Air Bag System Return to Main Menu s Mechanical Manual Electrical Manual CIRCUIT DIAGRAM ...

Page 35: ...L Applies to Hyundai Coupe Tiburon 1998 2001 GROUP Restraints SRS Air Bag System Return to Main Menu s Mechanical Manual Electrical Manual REASSEMBLY Return to Main Menu s Mechanical Manual Electrical Manual REMOVAL ...

Page 36: ... facing upward Do not place anything on top of it 4 Do not expose the air bag module to temperature over 93 C 200 F 5 An undeployed air bag module should only be disposed in accordance with the procedures 6 Never attempt to measure the circuit resistance of the air bag module squib even if you are using the specified tester If the circuit resistance is measured with a tester accidental air bag dep...

Page 37: ...ANUAL Applies to Hyundai Coupe Tiburon 1998 2001 GROUP Restraints SRS Air Bag System Return to Main Menu s Mechanical Manual Electrical Manual COMPONENTS Return to Main Menu s Mechanical Manual Electrical Manual ...

Page 38: ...in layout Pin 1 Not used Pin 2 Not used Pin 3 Not used Pin 4 Not used Pin 5 Ignition voltage Pin 6 Ground Pin 7 SRS warning lamp Pin 8 Not used Pin 9 Serial data input output Pin 10 Driver inflator high side Pin 11 Driver inflator low side Pin 12 Not used Pin 13 Passenger inflator high side Pin 14 Passenger inflator low side Pin 15 Not used VIEW A ...

Page 39: ...PIN DESCRIPTION Shorting bar removal tab Pin 16 17 Not used Pin 18 19 Not used Pin 21 22 SRS SRI Pin 25 26 Driver inflator Pin 28 29 Passenger inflator ...

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