SRS DTC A3-1x

DTC A3-1x ("x" can be 0 thru 9 or A thru F) : SRS Unit Connector A Not Properly Installed

NOTE:

Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed .
Before doing this troubleshooting procedure, review SRS Precautions and Procedures , General Troubleshooting Information , and Battery Terminal Disconnection and Reconnection .
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 , and retest.

DTC Description	DTC

DTC (SRS)

Problem verification

-1. Clear the DTCs with the HDS .

-2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.

-3. Check for DTCs with the HDS .

DTC Description	DTC

Is DTC A3-1x indicated?

YES

The failure is duplicated. Go to step 2.

NO

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.

Connector connection check
-1. Press the engine start/stop button to select the OFF mode.

-2. Check the following connector connection.

SRS unit connector A (39P)

Is the connector OK?

YES

Go to step 4.

NO

Go to step 3.

System check

-1. Repair the poor connector connection which was the cause of the problem in step 2.

-2. Clear the DTCs with the HDS .

-3. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.

-4. Check for DTCs with the HDS .

DTC Description	DTC

Is DTC A3-1x indicated?

YES

Press the engine start/stop button to select the OFF mode, then go to step 4.

NO

The system is OK at this time.

SRS unit check
-1. Disconnect the negative cable from the battery, then wait at least 3 minutes.

-2. Disconnect the following connector.

SRS unit connector A (39P)

-3. Check for bent or damaged terminals on the SRS unit.

Are any terminals bent or damaged?

YES

Replace the SRS unit .

NO

Replace the dashboard wire harness, then clear the DTC.