RENAULT TWINGO 2009 2.G Electrical Equipment - Airbags And Pretensioners Service Manual

88C-41
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF070
PRESENT
DRIVER SIDE CURTAIN AIRBAG CIRCUIT
CO : Open circuit
CC : Short circuit
CC.1 : Short circuit to 12 volts
CC.0 : Short circuit to earth
1.DEF : Configuration
2.DEF: Short circuit between trigger lines
NOTESIf 1.DEF, check and modify the computer configuration using the configuration reading
LC040 Driver's side curtain airbag, then modify it if it is inconsistent using
configuration CF221 Driver's side curtain airbag.
Special notes:
Never carry out any measurements on the trigger lines using any tool other than the
XRBAG or CLIP diagnostic tool.
Use dummy module (part no. Elé. 1835 yellow) and the dummy module
(part no. Elé. 1837- 2).
IMPORTANT
Before disconnecting the airbag connector to fit a dummy module, always lock
the trigger lines using the diagnostic tool and command VP006 "Lock
computer".
Use the W iring Diagrams Technical Note, New TWINGO.
Lock the trigger lines using command VP006 Lock computer.
Switch off the ignition.
Check the condition of the intermediate connector R15 of the driver's side curtain airbag component code 1101
(see Wiring Diagram Technical Note, New Twingo and MR 411, Mechanical, 88C, Airbag and pretensioners,
Curtain side airbag: Removal - Refitting).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Position the dummy module (part no. Elé. 1837- 2) on the intermediate connector R15 of the driver's side
curtain airbag component code 1101.
Switch on the ignition again.
Read the fault in the AIRBAG / PRETENSIONER field.
AFTER REPAIRReconnect the computer and the ignition module of the driver's side curtain airbag
module then switch the ignition back on. Clear the computer fault memory using
command RZ001 Fault memory. Switch the ignition off and then on again.
Repeat the check using the diagnostic tool and, if there are no faults (ignore DF034
Computer locked), unlock the computer using command VP007 Unlock computer.
ABGMRSZ_V04_DF070P

88C-42
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF070
CONTINUED
If the fault remains "Present":
Check the condition of the airbag computer connector, component code 756 (see Wiring Diagram Technical
Note, New Twingo, Component code 756 and MR 411, Mechanical, 88C, Airbag and pretensioners, Airbag
computer: Removal - Refitting).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Faulty wiring between the airbag computer component code 756 and the intermediate connector R15 of the
driver's side curtain airbag component code 1101.
Check the insulation (+ 12 V, to earth and between the 2 lines) and the continuity of the following
connections:
–Connection code 60BY between component 756 and connector R15,
–Connection code 60BZ between component 756 and connector R15.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
AFTER REPAIRReconnect the computer and the ignition module of the driver's side curtain airbag
module then switch the ignition back on. Clear the computer fault memory using
command RZ001 Fault memory. Switch the ignition off and then on again.
Repeat the check using the diagnostic tool and, if there are no faults (ignore DF034
Computer locked), unlock the computer using command VP007 Unlock computer.

88C-43
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF077
PRESENT
DRIVER'S CHEST-LEVEL FRONT SIDE AIRBAG CIRCUIT
CC : Short circuit
CO : Open circuit
CC.1 : Short circuit to 12 volts
CC.0 : Short circuit to earth
1.DEF: Configuration
2.DEF: Short circuit between trigger lines
NOTESIf 1.DEF, check and modify the computer configuration using the configuration reading
LC042 Driver's front side chest-level airbag, then adjust it if it is inconsistent using
the configuration CF223 Driver's front side chest-level airbag.
Priorities when dealing with a number of faults:
If DF077 is present with fault DF232 Driver's seat belt buckle sensor circuit and
DF183 Driver's front buckle pretensioner circuit, start fault finding by checking the
8-track R335 connector under the driver's seat.
Special notes:
Never carry out any measurements on the trigger lines using any tool other than the
XRBAG or CLIP diagnostic tool.
Use dummy module (part no. Elé. 1835 yellow) and the dummy module (part no.
Elé. 1837- 6).
IMPORTANT
Before disconnecting the airbag connector to fit a dummy module, always lock
the trigger lines using the diagnostic tool and command VP006 "Lock
computer".
Use the W iring Diagrams Technical Note, New TWINGO.
Lock the trigger lines using command VP006 Lock computer.
Switch off the ignition.
Check the condition of the 8-track R335 connector under the driver's seat (see Wiring Diagram Technical Note,
New Twingo).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Position the dummy module (part no. Elé. 1837- 6) on the 8-track R335 connector under the driver's seat.
Switch on the ignition again.
Read the fault in the AIRBAG / PRETENSIONER field.
AFTER REPAIRReconnect the computer and the ignition module for the driver's front side chest-level
airbag module
then switch on the ignition again. Clear the computer fault memory using command
RZ001 "Fault memory". Switch the ignition off and then on again.
Repeat the check using the diagnostic tool and, if there are no faults (ignore DF034
Computer locked), unlock the computer using command VP007 Unlock computer.
When replacing the airbag module, do not forget to reconnect the earth on the new
module.
ABGMRSZ_V04_DF077P

88C-44
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF077
CONTINUED
If the fault remains "Present":
Check the condition of the airbag computer connector, component code 756 (see Wiring Diagram Technical
Note, New Twingo, Component code 756 and MR 411, Mechanical, 88C, Airbag and pretensioners,
Airbag computer: Removal - Refitting).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Faulty wiring between the airbag computer component code 756 and the 8-track R335 connector under the
driver's seat.
Check the insulation (+ 12 V, to earth and between the 2 lines) and the continuity of the following
connections:
–Connection code 60AR between component 756 and connector R335,
–Connection code 60AS between component 756 and connector R335.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault has become "Stored":
Switch off the ignition.
Remove the driver's front side chest-level airbag component code 1103 (see MR 411, Mechanical, 88C, Airbag
and pretensioners, Front side chest-level airbag: Removal - Refitting).
.
Check the condition of the driver's front side chest-level airbag connector component code 1103 (see Wiring
Diagram Technical Note, New Twingo, Component code 1103).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Position the dummy module (part no. Elé. 1835 yellow) on the driver's front side chest-level airbag connector
component code 1103.
Switch on the ignition again.
Read the fault in the AIRBAG / PRETENSIONER field.
AFTER REPAIRReconnect the computer and the ignition module for the driver's front side chest-level
airbag module
then switch on the ignition again. Clear the computer fault memory using command
RZ001 "Fault memory". Switch the ignition off and then on again.
Repeat the check using the diagnostic tool and, if there are no faults (ignore DF034
Computer locked), unlock the computer using command VP007 Unlock computer.
When replacing the airbag module, do not forget to reconnect the earth on the new
module.

88C-45
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF077
CONTINUED
If the fault remains "Present":
Faulty wiring between the driver's front side chest-level airbag component code 1103 and the 8-track R335
connector under the driver's seat.*
Check the insulation (+ 12 V to earth and between the 2 lines) and the continuity of the following
connections:
–Connection code 60AR between component 1103 and connector R335,
–Connection code 60AS between component 1103 and connector R335.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault has become "Stored":
Replace the driver's front side chest-level airbag component code 1103 (see MR 411, Mechanical, 88C, Airbag
and pretensioners, Front side chest-level airbag: Removal - Refitting).
If the fault is still present, contact the Techline.
AFTER REPAIRReconnect the computer and the ignition module for the driver's front side chest-level
airbag module
then switch on the ignition again. Clear the computer fault memory using command
RZ001 "Fault memory". Switch the ignition off and then on again.
Repeat the check using the diagnostic tool and, if there are no faults (ignore DF034
Computer locked), unlock the computer using command VP007 Unlock computer.
When replacing the airbag module, do not forget to reconnect the earth on the new
module.

88C-46
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF091
PRESENT
AIRBAG LOCKING SWITCH CIRCUIT
CC.0 : Short circuit to earth
CC.1 : Short circuit to 12 volts
1.DEF : Configuration
2.DEF : Short circuit between lines
NOTESUse the W iring Diagrams Technical Note for NEW TWINGO.
Lock the computer using command VP006 Lock computer.
Check the condition of the airbag locking switch connector, component code 1441 (see Wiring Diagram
Technical Note, New Twingo, Component code 1441 and Technical Note 6015A, Repairing electrical
wiring, W iring: Precautions for repair).
Check the condition of the airbag computer connector component code 756 (see Wiring Diagram Technical
Note, New Twingo, Component code 756).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Use the "Universal bornier" to check the insulation to + 12 V, to earth and between the 2 lines of the following
connections:
–Connection code 60BX between components 756 and 1441,
–Connection code 60BW between components 756 and 1441.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Use the "universal bornier" to check the continuity of the following connections:
–Connection code 60BX between components 756 and 1441,
–Connection code 60BW between components 756 and 1441.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the airbag locking switch component code 1441 (see MR 411, Mechanical,
88C, Airbag and pretensioners, Inhibitor switch: Removal - Refitting).
AFTER REPAIRReconnect the computer and the locking switch, then switch on the ignition again.
Clear the computer fault memory using command RZ001 Fault memory. Switch the
ignition off and then on again.
Repeat a check using the diagnostic tool and, if there are no faults (do not take the
DF034 "Computer locked'' into account), unlock the computer using the command
VP007 ''Unlock computer''.
ABGMRSZ_V04_DF091P

88C-47
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF165
PRESENT
AIRBAG FAULT WARNING LIGHT CIRCUIT
NOTESNone.
Apply the fault finding procedure relevant to this fault in the instrument panel fault finding information section.
Carry out a fault finding procedure on the instrument panel (see 83A, Instrument panel).
AFTER REPAIRReconnect the computer and the locking switch, then switch on the ignition again.
Clear the computer fault memory. Switch off the ignition.
Carry out the check again using the diagnostic tool and, if there is no fault, unlock the
computer.
ABGMRSZ_V04_DF165P

88C-48
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF183
PRESENT
DRIVER'S FRONT BUCKLE PRETENSIONER CIRCUIT
CC : Short circuit
CO : Open circuit
CC.1 : Short circuit to 12 volts
CC.0 : Short circuit to earth
1.DEF: Configuration
2.DEF: Short circuit between trigger lines
NOTESIf 1.DEF, check and modify the computer configuration using configuration reading
LC064 Driver's front buckle pretensioner, then modify it if it is inconsistent using
the configuration CF265 Driver's front buckle pretensioner.
Priorities when dealing with a number of faults:
If DF0183 is present with the fault DF232 Driver's seatbelt buckle sensor circuit
and DF077 Driver's front side chest-level airbag circuit, start fault finding by
checking the 8-track R335 connector under the driver's seat.
Special notes:
Never carry out any measurements on the trigger lines using any tool other than the
XRBAG or CLIP diagnostic tool.
Use dummy module (part no. Elé. 1835 yellow) and the dummy module (part no.
Elé. 1837- 6).
IMPORTANT
Before disconnecting the airbag connector to fit a dummy module, always lock
the trigger lines using the diagnostic tool and command VP006 Lock computer.
Use the W iring Diagrams Technical Note, New TWINGO.
Lock the trigger lines using command VP006 Lock computer.
Switch off the ignition.
Check the condition of the 8-track R335 connector under the driver's seat (see Wiring Diagram Technical Note,
New Twingo).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Position the dummy module (part no. Elé. 1837- 6) on the 8-track R335 connector under the driver's seat.
Switch on the ignition again.
Read the fault in the AIRBAG / PRETENSIONER field.
AFTER REPAIRReconnect the computer and the locking switch, then switch on the ignition again.
Clear the computer fault memory using command RZ001 "Fault memory". Switch
the ignition of f and then on again.
Repeat a check using the diagnostic tool and, if there are no faults (do not take the
DF034 "Computer locked'' into account), unlock the computer using the command
VP007 ''Unlock computer''.
ABGMRSZ_V04_DF183P

88C-49
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF183
CONTINUED 1
If the fault remains "Present":
Check the condition of the airbag computer connector component code 756 (see Wiring Diagram Technical
Note, New Twingo, Component code 756).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Faulty wiring between the airbag computer component code 756 and the 8-track R335 connector under the
driver's seat.
Check the insulation (+ 12 V, to earth and between the 2 lines) and the continuity of the following
connections:
–Connection code 60D between component 756 and connector R335,
–Connection code 60E between component 756 and connector R335.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault has become "Stored":
Switch off the ignition.
Remove the driver's buckle front pretensioner component code 757 (see MR 411, Mechanical, 88C, Airbag
and pretensioners, Front buckle pretensioner: Removal - Refitting).
Check the condition of the driver's buckle front pretensioner connector component code 757 (see Wiring
Diagram Technical Note, New Twingo, Component code 757).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Position the dummy module (part no. Elé. 1835 yellow) on the driver's buckle front pretensioner connector
component code 757.
Switch on the ignition again.
Read the fault in the AIRBAG / PRETENSIONER field.
AFTER REPAIRReconnect the computer and the locking switch, then switch on the ignition again.
Clear the computer fault memory using command RZ001 "Fault memory". Switch
the ignition of f and then on again.
Repeat a check using the diagnostic tool and, if there are no faults (do not take the
DF034 "Computer locked'' into account), unlock the computer using the command
VP007 ''Unlock computer''.

88C-50
MR-413-X44-88C000$616.mif
V3
AIRBAGS AND PRETENSIONERS
Fault finding - Interpretation of faults
MRSZ AIRBAG
Vdiag: 04
88C
DF183
CONTINUED 2
If the fault remains "Present":
Faulty wiring between the driver's buckle front pretensioner component code 757 and the 8-track R335
connector under the driver's seat.
Check the insulation (+ 12 V, to earth and between the 2 lines) and the continuity of the following
connections:
–Connection code 60D between component 757 and connector R335,
–Connection code 60E between component 757 and connector R335.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions
for repair), repair the wiring, otherwise replace it.
If the fault has become "Stored":
Replace the driver's buckle front pretensioner component code 757 (see MR 411, Mechanical, 88C, Airbag and
pretensioners, Front buckle pretensioner: Removal - Refitting).
If the fault is still present, contact the Techline.
AFTER REPAIRReconnect the computer and the locking switch, then switch on the ignition again.
Clear the computer fault memory using command RZ001 "Fault memory". Switch
the ignition of f and then on again.
Repeat a check using the diagnostic tool and, if there are no faults (do not take the
DF034 "Computer locked'' into account), unlock the computer using the command
VP007 ''Unlock computer''.