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, 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 Service and Repair.
- 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 Testing and Inspection, and retest.

1. Clear the DTCs with the HDS.

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. Buckle and unbuckle the driver's seat belt several times.

3. Check for DTCs with the HDS.

Is DTC 61-1x 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), or press the engine start/stop button to select the OFF mode.

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






6. Clear the DTCs with the HDS.

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

8. Check for DTCs with the HDS.

Is DTC 61-2x indicated?

YES -

Go to step 9.

NO -

Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit Service and Repair. If the DTC does not clear, replace the floor wire harness or the driver's seat wire harness.

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

10. Remove the jumper wire from SRS unit connector B (39P).

11. Disconnect the driver's seat belt buckle switch 2P connector (A) on the driver's seat wire harness.





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

13. Measure the voltage between driver's seat belt buckle switch 2P connector on the driver's seat wire harness terminal No. 2 and body ground. There should be more than 10 V.





Is the voltage as specified?

YES -

Go to step 14.

NO -

Open in the floor wire harness or the driver's seat wire harness; replace the faulty harness, then clear the DTC.

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

15. Measure the resistance between driver's seat belt buckle switch 2P connector on the driver's seat wire harness terminal No. 1 and body ground. There should be less than 1.0 Ohms.





Is the resistance as specified?

YES -

Faulty driver's seat belt buckle switch; replace the driver's seat belt buckle assembly, then clear the DTC.

NO -

Open in the floor wire harness or the driver's seat wire harness; check for a poor ground at G602. If the ground is OK, replace the faulty harness, then clear the DTC.