DTC 62-2x
DTC 62-2x (62-20 to 62-29, 62-2A to 62-2F): Short in Front Passenger's Seat Belt Buckle Switch1. Erase the DTC memory.
2. Turn the ignition switch ON (II), then buckle and unbuckle the front passenger's seat belt several times.
3. Check for a DTC.
Is DTC 62-2x indicated?
YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the Trouble Code Descriptions.
4. Turn the ignition switch OFF.
5. Disconnect the front passenger's seat belt buckle switch 3P connector (A).
6. Buckle the front passenger's seat belt.
- Check resistance between the No. 1 and No. 3 terminals of the front passenger's seat belt buckle switch 3P connector.'There should be 0 - 1 Ohm.
- Check 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 resistances as specified?
YES - Go to step 7.
NO - Replace the front passenger's seat belt buckle assembly, then clear the DTC.
7. Unbuckle the front passenger's seat belt.
- Check resistance between the No. 1 and No. 2 terminals of the front passenger's seat belt buckle switch 3P connector. There should be 0 - 1 Ohm.
- Check 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 resistances as specified?
YES - Go to step 8.
NO - Replace the front passenger's seat belt buckle assembly, then clear the DTC.
8. Disconnect the negative cable from the battery.
9. Disconnect both seat belt tensioner 2P connectors.
10. Disconnect SRS unit connector B (28P) from the SRS unit.
11. Check resistance between the No. 2 terminal of the passenger's seat wire harness 3P connector and body ground. 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 passenger's seat wire harness or SRS floor harness; replace the faulty harness.
12. Check resistance between the No. 3 terminal of the passenger's seat wire harness 3P connector and body ground. There should be an open circuit, or at least 1 MOhms.
Is the resistance as specified?
YES - Replace the SRS unit.
NO - Short to ground in the SRS floor harness or passenger's seat wire harness; replace the faulty harness.