Specifications

SUPPLEMENTAL INFLATABLE RESTRAINTS (SIR) 8B – 53
DAEWOO M-150 BL2
DTC 21 – Connection Between Passenger Firing Circuit and Passenger Pretensioner
Circuit
Step Action Value(s) Yes No
1
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
passenger side airbag module and the passenger
pretensioner module.
Is the connector disconnected?
– Go to Step 2 Go to Step 3
2
1. Reconnect the passenger side airbag module and
the passenger pretensioner module connector.
2. Reconnect the negative battery cable.
Is the repair complete?
–
Go to
Diagnostic
System Check
–
3
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-
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?
≈ 0 W Go to Step 4 Go to Step 6
4
1. Replace the SDM.
2. Reconnect the negative battery cable.
3. Set the scan tool for CODE ERASE.
4. Do the diagnostic system check.
Does the code 21 still show as a current fault?
– Go to Step 5 System OK
5
1. Replace the passenger pretensioner module.
2. Reconnect the negative battery cable.
Is the repair complete?
–
Go to
Diagnostic
System Check
–
6
1. Replace the supplemental inflatable restraints
(SIR) wiring harness.
2. Reconnect the negative battery cable.
Is the repair complete?
–
Go to
Diagnostic
System Check
–