Dtc 12 Driver Pretensioner Circuit, Short To Battery Voltage - Daewoo MATIZ Service Manual

DTC 12 – Driver Pretensioner Circuit, Short To Battery Voltage
Step
1. Disconnect the battery negative cable.
2. Wait 1 minute for the SDM capacitor to discharge.
D The capacitor supplies reserve power to deploy
the driver seat belt pretensioner even if the
battery has been disconnected.
1
3. Visually inspect the supplemental inflatable
restraints (SIR) wiring harness.
Is there any visible damage to the SIR wiring
harness?
1. Replace the SIR wiring harness.
2
2. Reconnect the negative battery cable.
Is the repair complete?
1. Disconnect the electrical connector for the driver
seat belt 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 driver seat belt pre-
tensioner module.
3
3. Use a multimeter to check the voltage at one of
the terminals on the SDM side of the SIR wiring
harness connector for the driver seat belt
pretensioner module.
D Refer to ''Diagnostic Illustration 18'' in this
section.
Is the voltage greater than the specified value?
1. Replace the SDM.
2. Reconnect the negative battery cable.
4
3. Set the scan tool to CODE ERASE.
4.Do the diagnostic system check.
Does the code 12 still show as a current fault?
1. Replace the driver seat belt pretensioner module.
5 2. Reconnect the negative battery cable.
Is the repair complete?
DAEWOO M-150 BL2
SUPPLEMENTAL INFLATABLE RESTRAINTS (SIR) 8B – 37
Action Value(s) Yes
– Go to Step 2
Go to
Diagnostic
System Check
–
0 v Go to Step 2
– Go to Step 5
Go to
Diagnostic
– System Check
No
Go to Step 3
–
Go to Step 4
System OK
–