DTC Troubleshooting: 22-3

DTC 22-3:  Short to Another Wire or Decreased Resistance in Right Side Seat Belt Buckle Tensioner

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

SRS simulator lead F (  07XAZ-SZ30100)

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 TBRo connector from the TBRi connector (1).


5.Connect the special tool (2 Wconnectors) to the TBRi connector.

6.Reconnect the battery negative cable.

7.Erase the DTC memory.

8.Read the DTC.

Is DTC 22-3 indicated?

YES - Go to 9.

NO - Short in the light side seat belt buckle tensioner; replace the light side seat belt buckle.n

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

10.Disconnect the SDo and SPo connectors (1) and the TBLo connector (2).


11.Disconnect the U2o connector (1) from the SRS unit (A).


12.Disconnect the special tool (2 W connectors) from the TBRi connector.

13.Check resistance between the No. 2 and No. 11 terminals of the U2o connector. There should be 1 MW or more.


Is the resistance as specified?

YES - Faulty  SRS unit; replace the SRS unit.n

NO - Short in the floor wire harness; replace the floor wire harness.n