DTC B106E-1A
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 |
|---|---|
|
B106E-1A: Knee Air bag Resistance Too Low (Driver Side) Knee air bag (inflator) module circuit resistance is less than specified range. |
•Knee air bag (inflator) module circuit
•Knee air bag (inflator) module •SDM |
Circuit Diagram
| [A]: | “G222” connector (View: [a]) | A2: | Knee air bag (inflator) module deployment signal ground circuit | 2. | SDM |
| [B]: | “G342” connector (View: [a]) | A3: | Knee air bag (inflator) module deployment signal output circuit | 3. | Shorting bar |
| [C]: | “L05” connector (View: [a]) | A4: | Knee air bag (inflator) module deployment signal ground circuit | 4. | Floor harness |
| A1: | Knee air bag (inflator) module deployment signal output circuit | 1. | Knee air bag (inflator) module | 5. | Instrument panel harness |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Air Bag Diagnostic System Check” performed?
|
Go to Step 2.
|
|
| 2 |
Knee air bag (inflator) module check
1)Check that ignition is “OFF”.
2)Disconnect “G222” connector.
3)Connect “STEERING WHEEL” harness (1) of special tool (C), special tools (A) and (B) to “G222” connector.
4)Set ignition “ON”.
5)Check for DTC.
Is DTC B106E-1A indicated?
|
Go to Step 3.
|
Replace knee air bag (inflator) module.
|
| 3 |
Knee air bag (inflator) module circuit check
1)Set ignition “OFF”.
2)Disconnect “L05” connector.
3)Release shorting bar in SDM connector inserting release tool (B).
4)Check the following point.
•Resistance between “L05-21” and “L05-22” terminals: infinity
 Is check result OK?
|
Replace SDM and recheck DTC.
|
Go to Step 4.
|
| 4 |
Instrument panel harness circuit check
1)Disconnect “L375” connector.
2)Check the following point.
•Resistance of “G342-3” and “G342-2” terminals: infinity
 Is check result OK?
|
Replace floor harness.
|
Replace instrument panel 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.