DTC B1068-15 / B1069-15
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 |
|---|---|
|
B1068-15: Side Air Bag Circuit Shorted to Power Supply (Driver Side) Driver-side side-air bag (inflator) module circuit has been shorted to power supply. |
•Driver-side and/or passenger-side side-air bag (inflator) module circuit
•SDM |
|
B1069-15: Side Air Bag Circuit Shorted to Power Supply (Passenger Side) Passenger-side side-air bag (inflator) module circuit has been shorted to power supply. |
Circuit Diagram
| [A]: | “Q104” or “Q105” connector (View: [a]) | 1. | Driver-side side-air bag (inflator) module |
| [B]: | “L384” or “L385” connector (View: [a]) | 2. | Passenger-side side-air bag (inflator) module |
| [C]: | “L04” connector (View: [a]) | 3. | SDM |
| A1. | Driver-side side-air bag (inflator) module deployment signal output circuit | 4. | Shorting bar |
| A2. | Driver-side side-air bag (inflator) module deployment signal ground circuit | 5. | Floor harness |
| A3. | Passenger-side side-air bag (inflator) module deployment signal output circuit | 6. | Seat harness |
| A4. | Passenger-side side-air bag (inflator) module deployment signal ground circuit |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Air Bag Diagnostic System Check” performed?
|
Go to Step 2.
|
|
| 2 |
Side-air bag (inflator) module circuit check
1)Check that ignition is “OFF”.
2)Disconnect “Q104” or “Q105” connector.
3)Disconnect “L04” connector.
4)Release shorting bar in SDM connector inserting release tool (B).
5)Set ignition “ON”.
6)Check the following points.
•Voltage between each of “A1” and “A2” circuits and ground (DTC B1068-15): 0 V
•Voltage between each of “A3” and “A4” circuits and ground (DTC B1069-15): 0 V  Is check result OK?
|
Replace SDM and recheck DTC.
|
Go to Step 3.
|
| 3 |
Floor harness circuit check
1)Set ignition “OFF”.
2)Disconnect “L384” or “L385” connector.
3)Release shorting bar in SDM connector inserting release tool (B).
4)Set ignition “ON”.
5)Check the following points.
•Voltage between each of “A1” and “A2” circuits and ground (DTC B1068-15): 0 V
•Voltage between each of “A3” and “A4” circuits and ground (DTC B1069-15): 0 V Is check result OK?
|
Replace seat harness.
|
Replace floor harness.
|
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.