Toyota Yaris: Airbag System / Driver Frontal Stage 1 Deployment Control Circuit Open (B000113)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B000113 | Driver Frontal Stage 1 Deployment Control Circuit Open |
|
| Comes on | Applies to check mode |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.
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HINT:
-
To perform the simulation method, select Check Mode with the GTS.
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-
Perform the simulation method while checking the Data List.
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-
When disconnecting and reconnecting the cable to the auxiliary battery terminal, there is an automatic learning function that completes learning when the respective system is used.
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PROCEDURE
| 1. | CHECK CURRENT DTC |
(a) Turn the ignition switch to ON, and wait for at least 60 seconds.
(b) Check for DTCs.
Body Electrical > SRS Airbag > Trouble Codes| Result | Proceed to |
|---|---|
| Current B000113 is output | A |
| History B000113 is output | B |
| B |
 | USE SIMULATION METHOD TO CHECK |
|
| 2. | CHECK CONNECTION OF CONNECTORS |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal.
CAUTION:
Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
(c) Check that the connectors are properly connected to the horn button assembly, spiral cable sub-assembly and airbag sensor assembly.
OK:
The connectors are properly connected.
| NG |
 | CONNECT CONNECTORS PROPERLY |
|
| 3. | CHECK CONNECTORS |
| (a) Disconnect the connectors from the horn button assembly, spiral cable sub-assembly and airbag sensor assembly. |
|
(b) Check that the terminals of the connectors are not deformed or damaged.
OK:
The terminals of the connectors are not deformed or damaged.
(c) Check that the short springs of the activation prevention mechanisms of the wire harness connector and spiral cable sub-assembly connector are not deformed or damaged.
OK:
The short springs are not deformed or damaged.
| NG |
 | REPLACE SPIRAL CABLE SUB-ASSEMBLY OR REPAIR OR REPLACE WIRE HARNESS |
|
| 4. | CHECK HORN BUTTON ASSEMBLY |
| (a) Connect the connectors to the airbag sensor assembly and spiral cable sub-assembly. |
|
(b) Connect the white wire side of SST (resistance 2.1 Ω) to connector E (light green connector).
CAUTION:
Never connect a tester to the horn button assembly for measurement, as this may lead to a serious injury due to airbag deployment.
NOTICE:
- Do not forcibly insert SST into the terminals of the connector when connecting it.
- Insert SST straight into the terminals of the connector.
SST: 09843-18061
(c) Connect the cable to the negative (-) auxiliary battery terminal.
(d) Turn the ignition switch to ON, and wait for at least 60 seconds.
(e) Clear the DTCs stored in memory.
Body Electrical > SRS Airbag > Clear DTCs(f) Turn the ignition switch off.
|
| 5. | CHECK HORN BUTTON ASSEMBLY |
(a) Turn the ignition switch to ON, and wait for at least 60 seconds.
(b) Check for DTCs.
Body Electrical > SRS Airbag > Trouble CodesHINT:
Codes other than DTC B000113 may be output at this time, but they are not related to this check.
| Result | Proceed to |
|---|---|
| B000113 is not output | A |
| B000113 is output | B |
(c) Turn the ignition switch off.
(d) Disconnect the cable from the negative (-) auxiliary battery terminal.
CAUTION:
Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
(e) Disconnect SST from connector E.
| A |
 | REPLACE HORN BUTTON ASSEMBLY |
|
| 6. | CHECK DRIVER SEAT AIRBAG SQUIB CIRCUIT (OPEN) |
| (a) Disconnect the connector from the airbag sensor assembly. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| z3-2 - z3-1 | Always | Below 1 Ω |
| NG |
 | GO TO STEP 9 |
|
| 7. | CLEAR DTC |
| (a) Connect the connectors to the horn button assembly and airbag sensor assembly. |
|
(b) Connect the cable to the negative (-) auxiliary battery terminal.
(c) Turn the ignition switch to ON, and wait for at least 60 seconds.
(d) Clear the DTCs stored in memory.
Body Electrical > SRS Airbag > Clear DTCs(e) Turn the ignition switch off.
|
| 8. | CHECK DTC |
(a) Turn the ignition switch to ON, and wait for at least 60 seconds.
(b) Check for DTCs.
Body Electrical > SRS Airbag > Trouble CodesHINT:
Codes other than DTC B000113 may be output at this time, but they are not related to this check.
| Result | Proceed to |
|---|---|
| B000113 is not output | A |
| B000113 is output | B |
| A |
 | USE SIMULATION METHOD TO CHECK |
| B |
 | REPLACE AIRBAG SENSOR ASSEMBLY |
| 9. | CHECK WIRE HARNESS (OPEN) |
| (a) Disconnect the connector from the spiral cable sub-assembly. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| H38-1 (D+) - H38-2 (D-) | Always | Below 1 Ω |
| OK |
 | REPLACE SPIRAL CABLE SUB-ASSEMBLY |
| NG |
 | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Comes on Applies to check mode WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal...
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