1) Turn OFF the ignition switch for 15 seconds or more.
2) Disconnect the SRS control unit harness connector (R6) and driver door side airbag sensor harness connector (D10).
3) Inspect the driver door side airbag sensor (+) circuit between the SRS control unit (pin 10 of R6) and the driver door side airbag sensor (pin 2 of D10) 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.).
Caution
Yes
=>Go to Inspection for open circuit and short circuit in driver door side airbag sensor (-) circuit.
No
Repair the circuit as necessary.
1) Inspect the driver door side airbag sensor (-) circuit between the SRS control unit (pin 11 of R6) and the driver door side airbag sensor (pin 1 of D10) 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.).
Caution
Yes
=>Go to Driver door side airbag sensor harness connector inspection.
No
Repair the circuit as necessary.
1) Inspect for poor connections at the driver door side airbag sensor harness connector (pins 1 and 2 of D10). 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.
1) Inspect for poor connections at the SRS control unit harness connector (pins 10 and 11 of R6). 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 driver 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".
No
Repair the connections as necessary.
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
Note
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
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.