A3-1x

SRS DTC Troubleshooting: A3-1x

DTC A3-1x ("x" can be 0 thru 9 or A thru F):

SRS Connector A Not Properly Installed

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection Procedures.
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software SRS Unit Update, and retest.

1. Clear the DTC with the HDS Reading and Clearing Diagnostic Trouble Codes.

2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.

3. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC A3-1x indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�

4. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

5. Check the connection between SRS unit connector A (39P) and the SRS unit.

6. Disconnect the negative cable from the battery, then wait at least 3 minutes.

Is the connection OK?

YES -

Go to step 7.

NO -

Repair the poor connection, clear the DTC. If DTC A3-1x is still present, go to step 7.

7. Disconnect SRS unit connector A (39P) from the SRS unit Service and Repair.

8. Check for bent or damaged terminals on the SRS unit.

Are any terminals bent or damaged?

YES -

Replace the SRS unit SRS Unit Replacement.�

NO -

Replace the dashboard wire harness, then clear the DTC.�