61-1x

SRS DTC Troubleshooting: 61-1x

DTC 61-1x ("x" can be 0 thru 9 or A thru F):

Open in the Driver's Seat Belt Buckle Switch

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.
- 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 Reading and Clearing Diagnostic Trouble Codes.

2. Turn the ignition switch to LOCK (0), then wait for 10 seconds.

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

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

Is DTC 61-1x indicated?

YES -

Go to step 5.

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.�

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

6. Install a jumper wire between SRS unit connector B (39P) terminal No. 19 and body ground.






7. Clear the DTCs with the HDS.

8. Turn the ignition switch to ON (II), then wait for 10 seconds.

9. Check for the DTCs with the HDS.

Is DTC 61-2x indicated?

YES -

Go to step 10.

NO -

Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit SRS Unit Replacement.�

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

11. Disconnect the jumper wire installed on step 6.

12. Disconnect the floor wire harness 2P connector (A) from the driver's seat belt buckle switch.





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

14. Measure the voltage between the floor wire harness 2P connector terminal No. 2 and body ground. There should be more than 10 V.





Is the voltage as specified?

YES -

Go to step 15.

NO -

Open in the floor wire harness; replace the floor wire harness, then clear the DTC.�

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

16. Measure the resistance between the floor wire harness 2P connector terminal No. 1 and body ground. There should be less than 1.0 Ohms.





Is resistance as specified?

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 -

Open in the floor wire harness; check for a poor ground at G601. If the ground is OK, replace the floor wire harness, then clear the DTC.�