Refer to "58.SRS Control 8A.Troubleshooting(Air Bag (Driver/Passenger)) diagnostic system check-SRS controls".
1) Turn OFF the ignition switch for 15 seconds or more.
2) Verify that the SRS control unit harness connectors (B8, R5) are securely connected. Is the connector securely connected?
Refer to "LHD SRS airbag (Driver/Passenger)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "RHD SRS airbag (Driver/Passenger)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
=>Go to Connection check terminal inspection.
No
Securely connect the SRS control unit harness connectors (B8, R5).
1) Disconnect the SRS control unit harness connectors (B8, R5).
Refer to "LHD SRS airbag (Driver/Passenger)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "RHD SRS airbag (Driver/Passenger)" in the ETM (wiring diagram). (Open using the ETM viewer.).
2) Inspect the connection check terminals on the SRS control unit side and harness connector side for bending or dirt. Is the result normal?
Yes
=>Go to SRS control unit replacement.
No
Repair the connections as necessary.
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.