61-2x

SRS DTC Troubleshooting: 61-2x

DTC 61-2x ("x" can be 0 thru 9 or A thru F):

Short in the Driver's Seat Belt Buckle Switch

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 DTCs with the HDS.

2. Turn the ignition switch to ON (II), then buckle and unbuckle the driver's seat belt several times.

3. Check for DTCs with the HDS.

Is DTC 61-2x indicated?

YES -

Go to step 4.

NO -

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

4. Turn the ignition switch to LOCK (0).

5. Disconnect the driver's seat wire harness 3P connector (A) from the driver's seat belt buckle switch 3P connector (B).






6. Turn the ignition switch to ON (II).

7. From the HDS Main menu, select SRS, then PARAMETER INFORMATION. In the PARAMETER INFORMATION Menu, select Buckle Switch, Seat Position Sensor and check the status on the HDS screen for FRONT LEFT SEAT BELT BUCKLE SWITCH when the seat belt is buckled, and unbuckled.

Is OPEN indicated on the HDS?

YES -

Faulty driver's seat belt buckle switch; replace the driver's seat belt buckle assembly Front Seat Belt Replacement, then clear the DTC.�

NO -

Go to step 8.

8. Turn the ignition switch to LOCK (0).

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

10. Disconnect SRS unit connector B (39P) from the SRS unit.

11. Measure the resistance between body ground and driver's seat wire harness 3P connector terminal No. 1. There should be an open circuit or at least 1 MOhms.





Is the resistance as specified?

YES -

Go to step 12.

NO -

Short to ground in the driver's seat wire harness or the floor wire harness; replace the faulty harness, then clear the DTC.�

12. Measure the resistance between body ground and driver's seat wire harness 3P connector terminal No. 2. There should be an open circuit or at least 1 MOhms.





Is the resistance as specified?

YES -

Faulty SRS unit; replace the SRS unit SRS Unit Replacement.�

NO -

Short to ground in the driver's seat wire harness or the floor wire harness; replace the faulty harness, then clear the DTC.�