DTC 61-1x

DTC 61-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Seat Belt Buckle Switch ('06-08 models)

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.

1. Clear the DTC memory.
2. Turn the ignition switch ON (II), then buckle and unbuckle the driver's seat belt several times.
3. Read the DTC.

Is DTC 61-1x indicated?

YES - Go to step 4.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Troubleshooting Intermittent Failures If another DTC is indicated, troubleshoot the DTC.

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






6. Buckle the driver's seat belt.

Measure the resistance between the No. 1 and No. 3 terminals of the driver's seat belt buckle switch 3P connector. There should be 0-1 ohms.

Measure the resistance between the No. 1 and No. 2 terminals of the same connector. There should be an open circuit or at least 1 Mohms.






Are the resistance as specified?

YES - Go to step 7.

NO - Replace the driver's seat belt buckle assembly, then clear the DTC.

7. Unbuckle the driver's seat belt.

Measure the resistance between the No. 1 and No. 2 terminals of the driver's seat belt buckle switch 3P connector. There should be 0-1 ohms.

Measure the resistance between the No. 1 and No. 3 terminals of the same connector. There should be an open circuit or at least 1 Mohms.






Are the resistance as specified?

YES - Go to step 8.

NO - Replace the driver's seat belt buckle assembly, then erase the DTC.

8. Measure the resistance between the No. 1 terminal of the driver's seat wire harness 3P connector and body ground. There should be 0-1 ohms.






Is the resistance as specified?

YES - Go to step 9.

NO - Open in the driver's seat wire harness or floor wire harness, or poor ground connection at G601. If G601 is OK, replace the faulty harness.

9. Disconnect the negative cable from the battery, then wait for 3 minutes.
10. Disconnect both seat belt tensioner 4P connectors from the floor wire harness.
11. Disconnect SRS unit connector B (28P) from the SRS unit.
12. Measure the resistance between the No. 17 terminal of SRS unit connector B (28P) and the No. 1 terminal of the driver's seat wire harness 3P connector. There should be 0-1 ohms.






Is the resistance as specified?

YES - Go to step 13.

NO - Open in the driver's seat wire harness or floor wire harness; replace the faulty harness.

13. Measure the resistance between the No. 11 terminal of SRS unit connector B (28P) and the No. 2 terminal of the driver's seat wire harness 3P connector. There should be 0-1 ohms.






Is the resistance as specified?

YES - Replace the SRS unit.

NO - Open in the driver's seat wire harness or floor wire harness, or poor connection at the floor wire harness. Check the connections at the floor wire harness, connector F (14P), and connector H (14P) at the under-dash fuse/relay box. If the connections are OK, replace the faulty harness or part.