62-1x

SRS DTC Troubleshooting: 62-1x (x can be 0 thru 9 or A thru F)

DTC 62-1x ("x" can be 0 thru 9 or A thru F):Open in the Front Passenger's Seat Belt Buckle Switch

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Technician Safety Information and General Troubleshooting Information. Initial Inspection and Diagnostic Overview

- 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 DTC memory. Initial Inspection and Diagnostic Overview

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 front passenger's seat belt several times.

4. Read the DTC. Initial Inspection and Diagnostic Overview

Is DTC 62-1x indicated?
YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. Initial Inspection and Diagnostic Overview 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. 21 and body ground.






7. Read the DTC. Initial Inspection and Diagnostic Overview

Is DTC 62-2x indicated?
YES - Go to step 8.

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


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

9. Disconnect the jumper wire installed on step 6.

10. Disconnect the front passenger's seat wire harness 2P connector (A) from the front passenger's seat belt buckle switch.

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






12. Measure the voltage between SRS unit connector B (39P) terminal No. 21 and body ground. There should be more than 10 V.

Is the voltage as specified?
YES - Go to step 13.

NO - Open in the front passenger's seat wire harness or the floor wire harness; replace the faulty harness, then clear the DTC.






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

14. Measure the resistance between front passenger's seat wire harness 2P connector terminal No. 1 and body ground. There should be less than 1.0 Ohms.

Is resistance as specified?
YES - Faulty front passenger's seat belt buckle switch; replace the front passenger's seat belt buckle assembly, Front Seat Belt Replacement then clear the DTC.

NO - Open in the front passenger's seat wire harness or the floor wire harness; replace the faulty harness, then clear the DTC.