DTC B1004-18
Precautions: Precautions for Air Bag System Service · Precautions for Handling and Storage of Air Bag System Components · Precautions for Disposal of Air Bag and Seat Belt Pretensioner · Precautions for Restraint · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1004-18: Power Source Voltage Too Low Power supply voltage is less than specified range. |
•Charging system
•SDM |
Circuit Diagram
| [A]: | “L04” connector (View: [a]) | 2. | “A/B” fuse | 4. | Floor harness |
| 1. | IG1 relay | 3. | SDM | 5. | J/B |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Air Bag Diagnostic System Check” performed?
|
Go to Step 2.
|
|
| 2 |
SDM power supply circuit and ground circuit check
1)Check SDM power supply circuit and ground circuit.
Are SDM power supply circuit and ground circuit in good condition?
|
Go to Step 3.
|
Repair or replace defective part.
|
| 3 |
DTC check
1)Check that ignition is “OFF”.
2)Connect “L04” connector.
3)Set ignition “ON”.
Is DTC B1004-18 detected?
|
Replace SDM and recheck DTC.
|
Intermittent trouble. Check for intermittent trouble.
|
NOTE:
Upon completion of inspection and repair work, perform the following items.
•Reconnect all air bag system components and check that all components are properly mounted.
•Clear DTCs, referring to DTC Clearance if any DTC is detected.
•Repeat Air Bag Diagnostic System Check to check that the trouble has been solved.
•Clear DTCs, referring to DTC Clearance if any DTC is detected.
•Repeat Air Bag Diagnostic System Check to check that the trouble has been solved.