DTC B0091[13] Passenger Door Side Airbag Sensor Disconnected (Air Bag (Driver/Passenger/Side/Roof/Knee/Far Side))

1. SRS system check

Refer to "58.SRS Control 8A.Troubleshooting(Air Bag (Driver/Passenger/Side/Roof/Knee/Far Side)) diagnostic system check-SRS controls".

2. Inspection for open circuit and short circuit in passenger door side airbag sensor (+) circuit

1) Turn OFF the ignition switch for 15 seconds or more.

2) Disconnect the SRS control unit harness connector (R7) and passenger door side airbag sensor harness connector (D11).

3) Inspect the passenger door side airbag sensor (+) circuit between the SRS control unit (pin 10 of R7) and the passenger door side airbag sensor (pin 2 of D11) for the following. Is the result normal?

Refer to "LHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee/Far Side)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to Inspection for open circuit and short circuit in passenger door side airbag sensor (-) circuit.

No

Repair the circuit as necessary.

=>Go to Repair verification.

3. Inspection for open circuit and short circuit in passenger door side airbag sensor (-) circuit

1) Inspect the passenger door side airbag sensor (-) circuit between the SRS control unit (pin 11 of R7) and the passenger door side airbag sensor (pin 1 of D11) for the following. Is the result normal?

Refer to "LHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee/Far Side)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to Passenger door side airbag sensor harness connector inspection.

No

Repair the circuit as necessary.

=>Go to Repair verification.

4. Passenger door side airbag sensor harness connector inspection

1) Inspect for poor connections at the passenger door side airbag sensor harness connector (pins 1 and 2 of D11). Is the result normal?

Refer to "LHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee/Far Side)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to SRS control unit harness connector inspection.

No

Repair the connections as necessary.

=>Go to Repair verification.

5. SRS control unit harness connector inspection

1) Inspect for poor connections at the SRS control unit harness connector (pins 10 and 11 of R7). Is the result normal?

Refer to "LHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD SRS airbag (Driver/Passenger/Side/Curtain/Knee/Far Side)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

Replace the passenger door side airbag sensor.

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control door side airbag sensor removal".

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control door side airbag sensor installation".

=>Go to Current DTC check.

No

Repair the connections as necessary.

=>Go to Repair verification.

6. Current DTC check

1) Reconnect all of the disconnected harness connectors.

2) Clear the DTC with a scan tool.

3) Turn OFF the ignition switch for 15 seconds or more.

4) Perform a test drive.

5) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to SRS control unit replacement.

No

=>Go to Repair verification.

7. SRS control unit replacement

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control SRS control unit removal".

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control SRS control unit installation".

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control SRS control unit setting".

Procedure completion

=>Go to Repair verification.

8. Repair verification

1) Reconnect all of the disconnected harness connectors.

2) Clear the DTC with a scan tool.

3) Turn OFF the ignition switch for 15 seconds or more.

4) Turn ON the ignition switch.

5) Observe the DTC information with a scan tool.