Daewoo MATIZ Service Manual page 880

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DTC 21 Connection Between Passenger Firing Circuit and Passenger Pretensioner
Step
1. Disconnect the negative battery cable.
2. Wait 1 minute for the SDM capacitor to discharge.
3. Examine the wiring and the connector at the
1
passenger side airbag module and the passenger
pretensioner module.
Is the connector disconnected?
1. Reconnect the passenger side airbag module and
the passenger pretensioner module connector.
2
2. Reconnect the negative battery cable.
Is the repair complete?
1. Disconnect the electrical connector for the
passenger side airbag module and the passenger
pretensioner module.
2. Disconnect the electrical connector at the SDM.
D The shorting bar at the disconnected SDM
connector will create a complete circuit be-
tween the wires from the passenger airbag
module and the passenger pretensioner mod-
3
ule.
3. Connect an ohmmeter to the terminals on the
SDM side of the wiring harness connector for the
passenger pretensioner module.
D Refer to ''Diagnostic Illustration 19'' in this
section.
Does the ohmmeter show the specified value?
1. Replace the SDM.
2. Reconnect the negative battery cable.
4 3. Set the scan tool for CODE ERASE.
4. Do the diagnostic system check.
Does the code 21 still show as a current fault?
1. Replace the passenger pretensioner module.
5
2. Reconnect the negative battery cable.
Is the repair complete?
1. Replace the supplemental inflatable restraints
(SIR) wiring harness.
6
2. Reconnect the negative battery cable.
Is the repair complete?
DAEWOO M-150 BL2
SUPPLEMENTAL INFLATABLE RESTRAINTS (SIR) 8B – 53
Circuit
Action Value(s) Yes
– Go to Step 2
Go to
Diagnostic
System Check
–
≈ 0 W
Go to Step 4
– Go to Step 5
Go to
Diagnostic
– System Check
Go to
Diagnostic
– System Check
No
Go to Step 3
–
Go to Step 6
System OK
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