Specifications

SUPPLEMENTAL INFLATABLE RESTRAINTS (SIR) 8B – 59
DAEWOO M-150 BL2
DTC 24 – Ignition Input Circuit, Voltage Too Low
Step Action Value(s) Yes No
1
Check the fuse F2.
Is the fuse blown? – Go to Step 2 Go to Step 3
2
1. Check for a short circuit.
2. Repair if needed.
3. Replace the fuse.
Is the repair complete?
–
Go to
Diagnostic
System Check
–
3
1. Turn the ignition ON.
2. Using a multimeter, check the voltage at the fuse
F2.
Is the battery voltage available at the fuse F2?
11–14 v Go to Step 5 Go to Step 4
4
Repair the power supply to the fuse F2.
Is the repair complete?
–
Go to
Diagnostic
System Check
–
5
1. Disconnect the negative battery cable.
2. Wait one minute before proceeding.
3. Disconnect the connector at the SDM.
4. Reconnect the battery.
5. Turn the ignition key ON.
6. Measure the voltage at the terminal 5 of the SDM
Connector.
D Refer to ‘‘Diagnostic Illustration 11’’ in this
section.
Is the voltage equal to the specified value?
11–14 v Go to Step 6 Go to Step 7
6
1. Replace the SDM.
2. Reconnect the electrical connectors.
Is the repair complete?
–
Go to
Diagnostic
System Check
–
7
1. Disconnect the connector C208.
D The connector C208 is the connector between
the instrument harness and the supplemental
inflatable restraints (SIR) harness.
2. Turn the ignition ON.
3. Using a multimeter, check the voltage on the
instrument harness side at the terminal 2 of the
connector C208.
D Refer to ‘‘Diagnostic Illustration 12’’ in this
section.
Is the voltage equal to the specified value?
11–14 v Go to Step 8 Go to Step 9
8
1. Replace the SIR wiring harness.
2. Reconnect the battery.
Is the repair complete?
–
Go to
Diagnostic
System Check
–
9
Repair the open circuit between the fuse F2 and the
connector C208.
Is the repair complete? –
Go to
Diagnostic
System Check
–