Renault Clio Workshop Repair Manual

Renault Clio Workshop Repair Manual

Srp air bags, pretensioners and seat belts
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Workshop Repair Manual
All operations on the air bag and pretensioner
systems must be carried out by qualified, trained
77 11 204 135
"The repair methods given by the manufacturer in this
document are based on the technical specifications
current when it was prepared.
The methods may be modified as a result of changes
introduced by the manufacturer in the production of
the various component units and accessories from which
his vehicles are constructed."
C
Renault 1999

AIR BAGS,

PRETENSIONERS and

SEAT BELTS

SRP
personnel.
FEBRUARY 1999
All copyrights reserved by Renault.
Copying or translating, in part or in full, of this
document or use of the service part reference
numbering system is forbidden without the prior
written authority of Renault.
Edition Anglaise

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Table of Contents
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Summary of Contents for Renault Clio

  • Page 1: Air Bags

    Edition Anglaise FEBRUARY 1999 "The repair methods given by the manufacturer in this All copyrights reserved by Renault. document are based on the technical specifications current when it was prepared. Copying or translating, in part or in full, of this...
  • Page 2: Table Of Contents

    Contents Pages WIRING Air bags and seat belt pretensioners Replacement compatibility 88-2 General 88-4 Special tooling 88-6 XRBAG test kit 88-6 30 track XRBAG adaptor 88-6 50 track XRBAG adaptor 88-7 Dummy air bag ignition module 88-7 Destruction apparatus 88-8 Operation of front air bags and pretensioners 88-8...
  • Page 3: Wiring

    WIRING Air bags and seat belt pretensioners The Clio II from now on will be fitted with a new 2nd generation passive safety assembly comprising : - a driver’s front air bag with an SRP inflatable bag (unaltered), - a new passenger’s front air bag (according to equipment) with a new S.R.P inflatable bag which is in- compatible with old computers part number 77 00 426 752 (see following page), - front pretensioners (unaltered), - front seat belts specific to the...
  • Page 4: Replacement Compatibility

    WIRING Air bags and seat belt pretensioners REPLACEMENT COMPATIBILITY IMPORTANT For replacement, the new type of computer (A) can be fitted to vehicles fitted with a 1 or 2 genera- tion passenger air bag module (B) . On the other hand, a 2 generation passenger air bag module (B) must not be fitted to a vehicle fitted with a computer (A) of the 1 generation part number 77 00 426 752.
  • Page 5 WIRING Air bags and seat belt pretensioners Application table for 2 generation passenger air bag modules from serial number. Vehicle type Flins factory Valladolid factory Novo-Mesto factory BB0A F034811 W040896 Y014493 BB0C F012725 W017895 Y005743 BB0D F005958 W009038 Y002147 BB0E F013619 W018957 Y003980...
  • Page 6: General

    WIRING Air bags and seat belt pretensioners • The air bag cushions inflate : GENERAL - from the centre of the steering wheel to pro- tect the driver’s head, All operations on the air bag and pretensioner systems must be carried out by qualified and trai- ned personnel.
  • Page 7 WIRING Air bags, pretensioners and seat belts In the event of a side impact of sufficient force, NOTE : the corresponding side air bag (on the impact side) inflates on the door side, to protect the head Vehicles fitted with front air bags are identified and thorax of the seat occupant.
  • Page 8: Special Tooling

    WIRING Air bags and seat belt pretensioners SPECIAL TOOLING 30 TRACK XRBAG ADAPTOR(B40) for vehicles without side air bags These systems can have fault finding carried out using the following fault finding tools : • only for pretensioners and front air XR25 bags, •...
  • Page 9: Track Xrbag Adaptor

    WIRING Air bags and seat belt pretensioners 50 TRACK XRBAG ADAPTOR(B50) DUMMY IGNITION MODULE for vehicles with side air bags A dummy ignition module integrated in a small red box is supplied in the XRBAG. 14328-1S 15749S This bornier is connected in place of the compu- ter.
  • Page 10 WIRING Air bags and seat belt pretensioners DESTRUCTION EQUIPMENT OPERATION OF PRETENSIONERS AND FRONT AIR BAGS In order to avoid any risk of an accident the pyro- technic gas generators for the air bags and seat When the ignition is switched on, the control war- belt pretensioners must be triggered before the ning light for these systems is illuminated for se- vehicle or the part is scrapped.
  • Page 11: And Pretensioners

    WIRING Air bags and seat belt pretensioners OPERATION OF SIDE AIR BAGS COMPUTER When the ignition is switched on, the control war- Two types of computer are assembled on these ve- ning light for these air bag and pretensioner sys- hicles according to their equipment : tems is illuminated for several seconds and then is extinguished.
  • Page 12 WIRING Air bags and seat belt pretensioners Special features after triggering Special notes for replacing the computer These types of unit (30 or 50 track) can accept up A new computer must be fitted to the vehicle be- to four triggerings maximum. Therefore it is not fore reconnecting its connector (tightening tor- necessary to replace them each time the air bags que : 0.8 daN.m).
  • Page 13 WIRING Air bags and seat belt pretensioners Procedure for locking the computer Removal Before removing the computer or before carrying It is located on the tunnel in the central console. out any repair on the air bag or pretensioners sys- tem, the computer must be locked either : To access it : remove the central console,...
  • Page 14 WIRING Air bags and seat belt pretensioners Removed computer Computer configuration (computer fitted with a 30 track connector only) New computers are normally delivered configured 30 track for "passenger air bag". If the vehicle does not have a passenger air bag, the computer will have to be configured without a passenger air bag using the fault finding tool.
  • Page 15 WIRING Air bags and seat belt pretensioners Connection 50 track orange connector the computer connector has a special fea- NOTE : Track Description ture in that it short circuits the various trigger lines when it is disconnected. In effect, the shunts, + driver’s pretensioner located opposite each pretensioner or air bag line, - driver’s pretensioner...
  • Page 16: Side Impact Sensors

    WIRING Air bags and seat belt pretensioners WARNING LIGHT ON THE INSTRUMENT PANEL This warning light controls the pretensioners and the driver and passenger air bags. It must illuminate for several seconds when the ignition is switched on, then extinguish (and re- main extinguished).
  • Page 17: Operation On The Triggering Lines

    WIRING Air bags and seat belt pretensioners Refitting OPERATION ON THE TRIGGERING LINES To refit it, position the sensor using its lug and In the event of a fault noted on one of these lines, mount it to the vehicle before reconnecting the the component must be replaced and not repai- connector(tightening torque : 0.8 daN.m).
  • Page 18: Seat Belt Pretensioners

    WIRING Air bags and seat belt pretensioners After deactivating the air bag function using the SEAT BELT PRETENSIONERS fault finding tool and removing the passenger air bag module : Description • cut the passenger air bag wiring 60 mm from They are mounted to the side of the front seats.
  • Page 19 WIRING Air bags and seat belt pretensioners When triggered, the system can retract the buckle before scrapping an untriggered IMPORTANT : by 70 mm (maximum). pretensioner module, it be destroyed in ac- MUST cordance with the method described in the "Destruction Procedure"...
  • Page 20: Seat Belts

    WIRING Air bags and seat belt pretensioners SEAT BELTS DRIVER’S AIR BAG Description When the pretensioners are triggered one or both It is located in the steering wheel cushion. of the front seat belts must systematically be re- placed if it was fastened when pretensioning took place (the seat belt must be replaced if there are any doubts about whether it was worn).
  • Page 21 WIRING Air bags and seat belt pretensioners Removal Refitting The pyrotechnic systems (pretensio- Reconnect the air bag cushion and mount it to IMPORTANT: ners or air bags) must not be handled when near a the steering wheel (tightening torque : 0.5 heat source or a flame because there is a risk that daN.m).
  • Page 22: Rotary Switch

    WIRING Air bags and seat belt pretensioners Remove : ROTARY SWITCH - the air bag cushion by its two torx bolts located The rotary switch ensures the electrical connec- behind the steering wheel and disconnect its tion between the steering column and the stee- connector (D).
  • Page 23 WIRING Air bags and seat belt pretensioners Valéo fitting Slacken bolt (C), then tap the screwdriver sharply to loosen the cone and release assembly from the steering column . 14057R 14039R Lucas fitting 14056R 88-21...
  • Page 24: Passenger Air Bag Module

    WIRING Air bags and seat belt pretensioners Refitting after refitting every thing, carry out IMPORTANT : a check using the fault finding tool. Ensure that the wheels are still straight. Unlock the computer if everything is correct, Check that the mark "0" on the rotary switch is otherwise see the"Fault Finding"...
  • Page 25 WIRING Air bags and seat belt pretensioners It consists of: Removal - an inflatable cushion, - a pyrotechnic gas generator and ignition mo- The pyrotechnic systems (pretensio- IMPORTANT: dule. ners or air bags) must not be handled when near a heat source or a flame because there is a risk that the system will be triggered.
  • Page 26 WIRING Air bags and seat belt pretensioners Special case : the connector with lugs • solder the vehicle’s wiring to the wiring in the kit (B), A series of vehicles are fitted with a red connector with lugs (A) on the passenger air bag module. •...
  • Page 27: Side Air Bag Module

    WIRING Air bags and seat belt pretensioners Refitting SIDE AIR BAG MODULE Description the safety notes which must be fol- IMPORTANT: lowed to refit or replace the passenger air bag It is fitted into the seatback of the front seats on module must be observed .
  • Page 28: Destruction Procedure

    WIRING Air bags and seat belt pretensioners Removal - Refitting DESTRUCTION PROCEDURE Any operation involving removal and refitting of To avoid the risk of an accident, the pyrotechnic the seat trim of a seat back fitted with a side air gas generators must be triggered before scrap- bag, must not be carried out for the time being.
  • Page 29 WIRING Air bags and seat belt pretensioners • Pretensioners Destruction of the component removed from the vehicle do not trigger pretensioners which IMPORTANT: Carry out the procedure in the same way as for must be returned under warranty for a stalk pro- the driver’s air bag in the pile of old tyres (see blem.
  • Page 30 WIRING Air bags and seat belt pretensioners Cover the assembly with a stack of four old tyres. 96835S Unroll all the wire supplied with the tool so that you are far enough away from the assembly (approximately 10 metres) when the unit is triggered and connect it to the air bag cushion wiring.
  • Page 31: Fault Finding

    WIRING Air bags and seat belt pretensioners FAULT FINDING - INTRODUCTION This fault finding section comprises two parts : - For systems only with front air bags marked "Front". For systems with front and side air bags marked "Side". CONDITIONS FOR APPLYING THE CHECKS DEFINED IN THIS FAULT FINDING In this fault finding, each fault is interpreted for a type of special memory (fault present, fault memorised, fault present or memorised).
  • Page 32: Front Air Bag

    FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING - INTRODUCTION FICHE XRBAG Pretensioners, front air bags DI8826 The connector is identical for the pretensioners and side air bags on both seats A Central computer CT Rotary switch Driver’s seat A1 + 12 Volts Passenger’s seat A2 Warning light...
  • Page 33: Interpretation Of Faults

    FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS DF001 Computer present memorised NOTES None Replace the air bag computer (refer to "Aid" section for this operation). AFTER REPAIR None 1AB8651.0 88-31...
  • Page 34 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Computer supply voltage DF002 1.dEF : Too many micro-cuts present 2.dEF : Feed voltage too low 3.dEF : Feed voltage too high Use the B40 XRBAG adaptor for operations on the computer connector. NOTES None 1.dEF...
  • Page 35 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Driver’s front air bag CC : Short circuit DF003 CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measurements on the triggering lines with equipment other than NOTES the XRBAG.
  • Page 36 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS DF003 present CONT None CC.1 - CC.0 NOTES Lock the computer using the command on the fault finding tool. Switch off the ignition and remove the two steering wheel boss mounting bolts. Check the condition of the trigger cable.
  • Page 37 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Passenger’s front air bag circuit DF004 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measures on the triggering lines with equipment other than the NOTES XRBAG.
  • Page 38 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS DF004 present CONT None CC.1 - CC.0 NOTES Lock the computer using the command on the fault finding tool. Switch off the ignition, disconnect the computer connector and fit the 30 track B40 adaptor. The XRBAG must be used to measure insulation appropriate to the type of fault declared by the fault finding tool on adaptor cable B .
  • Page 39 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Air bag fault warning light circuit DF010 CC.1 : Short circuit to 12 volts present CO.0 : Open circuit or short circuit to earth Use the XRBAG 30 track B40 adaptor for operations on the computer connector. NOTES None CC.1...
  • Page 40 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Driver’s pretensioner circuit DF029 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measures on the triggering lines with equipment other than the NOTES XRBAG.
  • Page 41 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS DF029 present CONT None CC.1 - CC.0 NOTES Lock the computer using the command on the fault finding tool. Disconnect the ignition module for the driver’s pretensioner and connect a dummy ignition module to the ignition module connector.
  • Page 42 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Passenger’s pretensioner circuit DF030 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measures on the triggering lines with equipment other than the NOTES XRBAG.
  • Page 43 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS DF030 present CONT None CC.1 - CC.0 NOTES Lock the computer using the command on the fault finding tool. Disconnect the ignition module for the passenger’s pretensioner and connect a dummy ignition module to the ignition module connector.
  • Page 44 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS DF034 Computer locked present None. NOTES This fault enables the locked condition of the computer to be seen. When it is present, all trigger lines are inhibited, which prevents triggering of the air bags and seat belt pretensioners.
  • Page 45 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Erasing locked memorised faults DF035 present None. NOTES This fault is normally present following an impact in the presence of memorised faults This locking prevents accidental erasing of the registered contexts of impacts which lead to the systems being triggered (the contexts are erased using the erasing command for the fault memory).
  • Page 46 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Driver’s front air bag configuration DF045 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment. The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the driver’s front air bag triggering line.
  • Page 47 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Front passenger air bag configuration DF046 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment. The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the passenger’s front air bag triggering line.
  • Page 48 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Driver’s pretensioner configuration DF047 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment. The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the driver’s pretensioner triggering line.
  • Page 49 FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- INTERPRETATION OF FAULTS Passenger’s pretensioner configuration DF048 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment.The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the passenger’s pretensioner triggering line.
  • Page 50: Checking Conformity

    FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- CHECKING CONFORMITY Only carry out this conformity check after a complete check using the fault finding NOTES tool. Parameter / status checked or Order Function Display/notes Diag action Clio II : 06 Computer conformity None PR002...
  • Page 51: Aid

    FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- AID CHANGING THE AIR BAG COMPUTER Air bag computers are sold locked to prevent any risk of incorrect triggering (all trigger lines are inhibited). This "locked" mode is indicated by illumination of the warning light on the instrument panel. When changing an air bag computer, follow the instructions below: - Ensure that the ignition is switched off.
  • Page 52: Fault Charts

    FRONT WIRING Air bags and seat belt pretensioners FAULT FINDING- FAULT CHARTS NO DIALOGUE WITH THE AIR BAG COMPUTER Chart 1 None NOTES Ensure that the fault finding tool is not the cause of the fault by trying to communicate with a computer on another vehicle .
  • Page 53: Side Air Bag

    SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTRODUCTION FICHE XRBAG Pretensioners, front and side air bags DI8827 The connection is identical for the pretensioners and side air bags on both seats. A Central computer CT Rotary switch Driver’s seat +12 Volts Passenger’s seat...
  • Page 54: Interpretation Of Faults

    SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF001 Computer present memorised None NOTES Change the air bag computer (refer to the "Aid" section for this operation). AFTER REPAIR None 1AB8651.0 88-52...
  • Page 55 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Computer supply voltage DF002 1.dEF : Too many micro-cuts present 2.dEF : Feed voltage too low 3.dEF : Feed voltage too high Use the B50 XRBAG adaptor for operations on the computer connector. NOTES None 1.dEF...
  • Page 56 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s front air bag circuit DF003 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measuring operations on the trigger lines with equipment other NOTES than the XRBAG.
  • Page 57 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF003 present CONT None CC.1 - CC.0 NOTES Lock the computer using the fault finding tool command. Switch off the ignition and remove the two steering wheel boss mounting bolts. Check the condition of the trigger cable.
  • Page 58 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s front air bag circuit DF004 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measuring operations on the trigger lines with equipment other NOTES than the XRBAG.
  • Page 59 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF004 present CONT None CC.1 - CC.0 NOTES Lock the computer using the fault finding tool command. Switch off the ignition, disconnect the computer connector and fit the 50 track B50 adaptor. The XRBAG must be used to measure insulation appropriate to the type of fault declared by the fault finding tool on adaptor cable D .
  • Page 60 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s side air bag circuit DF008 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measuring operations on the trigger lines with equipment other NOTES than the XRBAG.
  • Page 61 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF008 present CONT None CC.1 - CC.0 NOTES Lock the computer using the fault finding tool command. The XRBAG must be used to measure insulation appropriate to the type of fault at point C1 (seat connector) on the driver’s side air bag module line.
  • Page 62 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s side air bag circuit DF009 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measuring operations on the trigger lines with equipment other NOTES than the XRBAG.
  • Page 63 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF009 present CONT None CC.1 - CC.0 NOTES Lock the computer using the fault finding tool command. The XRBAG must be used for insulation measurements appropriate to the type of fault at point C1 (seat connector) on the passenger’s side air bag module line.
  • Page 64 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Air bag fault warning light circuit DF010 CC.1 : Short circuit to 12 volts present CO.0 : Open circuit or Short circuit to earth Use the XRBAG 50 track adaptor for operations on the computer connector. NOTES None CC.1...
  • Page 65 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s pretensioner circuit DF029 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measuring operations on the trigger lines with equipment other NOTES than the XRBAG.
  • Page 66 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF029 present CONT None CC.1 - CC.0 NOTES Lock the computer using the fault finding tool command. Disconnect the ignition module for the driver’s pretensioner and connect a dummy ignition module to the ignition module connector.
  • Page 67 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s pretensioner circuit DF030 CC : Short circuit CO : Open circuit present CC.1 : Short circuit to 12 volts CC.0 : Short circuit to earth Never carry out measuring operations on the trigger lines with equipment other NOTES than the XRBAG.
  • Page 68 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF030 present CONT None CC.1 - CC.0 NOTES Lock the computer using the fault finding tool command. Disconnect the ignition module for the passenger’s pretensioner and connect a dummy ignition module to the ignition module connector.
  • Page 69 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Side sensor programming not carried out DF033 present None. NOTES The absence of this fault corresponds to the absence of programming for the side sensors identification by the air bag computer (this identification enables the computer to check that the side sensors are the correct ones for the vehicle).
  • Page 70 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Computer locked DF034 present None. NOTES This fault enables the locked condition of the computer to be visualised. When the fault is present, all the triggering lines are inhibited, which prevents the air bags and seat belt pretensioners from being triggered.
  • Page 71 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Erasing locked memory faults DF035 present None. NOTES This fault is normally present following an impact in the presence of memorised faults This locking prevents accidental erasing of the registered contexts of impacts which lead to the systems being triggered (the contexts are erased using the erasing command for the fault memory).
  • Page 72 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Disrupted driver’s side sensor signal (or in open circuit) DF036 present None. NOTES Lock the computer using the command on the fault finding tool. Check that the driver’s side sensor is connected correctly and check its connection. Check the condition of the connections on the computer (tracks 20 and 21).
  • Page 73 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s side sensor identification DF037 present None. NOTES This fault is normally present when the computer detects an inconsistency between the recognition signal emitted by the side sensor and the programming which it has received. Either the side sensor is not adapted to the vehicle, or the computer comes from another vehicle.
  • Page 74 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s side sensor DF038 present None. NOTES Replace the driver’s side sensor Erase the computer memory then switch off the ignition AFTER REPAIR Carry out a check using the fault finding tool and, in the absence of a fault, unlock the computer.
  • Page 75 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s side sensor circuit DF039 present None. NOTES Lock the computer using the fault finding tool command. Check that the driver’s side sensor is connected correctly and check its connections. Check the condition of the connections on the computer (tracks 20 and 21).
  • Page 76 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s side sensor circuit DF040 present None. NOTES Lock the computer using the command on the fault finding tool. Check that the passenger side sensor is connected correctly and check its connections. Check the condition of the connections on the computer (tracks 22 and 23).
  • Page 77 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS DF041 Disrupted passenger’s side sensor signal(or in open circuit) present None. NOTES Lock the computer using the command on the fault finding tool. Check that the passenger side sensor is connected correctly and check its connections. Check the condition of the connections on the computer (tracks 22 and 23).
  • Page 78 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s side sensor identification DF042 present None. NOTES This fault is normally present when the computer detects an inconsistency between the recognition signal emitted by the side sensor and the programming which it has received. Either the side sensor is not adapted to the vehicle, or the computer comes from another vehicle.
  • Page 79 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s side sensor DF043 present None. NOTES Replace the passenger’s side sensor. Erase the computer memory then switch off the ignition AFTER REPAIR Carry out a check using the fault finding tool and, in the absence of a fault, unlock the computer.
  • Page 80 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s front air bag configuration DF045 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment. The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the driver’s front air bag triggering line.
  • Page 81 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s front air bag configuration DF046 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment. The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the passenger’s front air bag triggering line.
  • Page 82 SIDE WIRING FAULT FINDING - INTERPRETATION OF FAULTS Driver’s pretensioner configuration DF047 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment. The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the driver’s pretensioner triggering line.
  • Page 83 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s pretensioner configuration DF048 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment.The vehicle must be fitted with triggering lines which are not declared in the computer configuration, especially the passenger’s pretensioner triggering line.
  • Page 84 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s side air bag configuration DF049 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment . The vehicle must be fitted with triggering lines not declared in the computer configuration, especially the driver’s side air bag triggering line.
  • Page 85 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s side air bag configuration DF050 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment . The vehicle must be fitted with triggering lines not declared in the computer configuration, especially the passenger’s side air bag triggering line.
  • Page 86 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Driver’s side sensor configuration DF051 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment . The vehicle must be fitted with side air bag sensors not declared in the computer configuration, especially the driver’s side sensor.
  • Page 87 SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - INTERPRETATION OF FAULTS Passenger’s side sensor configuration DF052 present None. NOTES The presence of this fault corresponds to an incoherence detected by the computer between the computer configuration and the vehicle equipment . The vehicle must be fitted with side air bag sensors not declared in the computer configuration, especially the passenger’s side sensor.
  • Page 88: Checking Conformity

    SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - CHECKING CONFORMITY Only carry out this conformity check after a complete check using the fault finding NOTES tool. Parameter / status checked or Order Function Display /notes Diag action Clio II : 06 None PR002...
  • Page 89: Aid

    SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING - AID CHANGING THE AIR BAG COMPUTER Air bag computers are sold locked to prevent any risk of incorrect triggering (all trigger lines are inhibited). This "locked" mode is indicated by illumination of the warning light on the instrument panel. When changing an air bag computer, follow the instructions below: - Ensure that the ignition is switched off.
  • Page 90: Fault Charts

    SIDE WIRING Air bags and seat belt pretensioners FAULT FINDING- FAULT CHARTS NO DIALOGUE WITH THE AIR BAG COMPUTER Chart 1 None NOTES Ensure that the fault finding tool is not the cause of the fault by trying to communicate with a computer on another vehicle .

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