DTC Troubleshooting: 11-1, 12-1

DTC 11-1:  Open or Increased Resistance in Driver's Side Airbag Inflator ((With OPDS unit model)
DTC 12-1:  Open or Increased Resistance in Right Side Airbag Inflator (Without OPDS unit model)

Special Tools Required
SRS inflator simulator (  07SAZ-TB4011A)
 

SRS simulator lead E (  07XAZ-S1A0200)
 


1.Erase the DTC memory.

2.Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator stay on?


YES - Go to 3.


NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures.


3.Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.

4.Disconnect the SDi connector (1) from the driver's (right) side airbag (A).

 

5.Connect the special tool (2 W connector) to the SDi connector.

6.Reconnect the battery negative cable.

7.Erase the DTC memory.

8.Read the DTC.

Is DTC 11-1 or DTC 12-1 indicated?


YES - Go to 9.


NO - Open or increased resistance in the driver's (right) side airbag inflator; replace the driver's (right) side airbag.n


9.Disconnect the battery negative cable, and wait for 3 minutes.

10.Disconnect the SPo connector (1).

 

11.Disconnect the U2o connector (1) from the SRS unit (A). Do not disconnect the special tool from the SDi connector.

 

12.Check resistance between the No. 6 and No. 17 terminals of U2o connector. There should be 2.0-3.0 W.

 

Is the resistance as specified?


YES - Faulty  SRS unit or poor contact at U2o connector and the SRS unit; check the connection at the connector and SRS unit. If the connector is OK, replace the SRS unit.n


NO - Open or increased resistance in the floor wire harness; replace the floor wire harness.n