With Power Seat

DTC 62-2x (62-20 to 62-29, 62-2A to 62-2F): Short in Front Passenger's Seat Belt Buckle Switch (With power seat)

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

4. Turn the ignition switch OFF.




5. Disconnect the front passenger's seat belt buckle switch 3P connector (A) from the passenger's seat wire harness.




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 Ohms.

Check resistance between the No.2 and No.3 terminals of the same connector. There should be an open circuit, or at least 1 MOhms.

Is the resistance 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.2 and No.3 terminals of the front passenger's seat belt buckle switch 3P connector. There should be 0 - 1 Ohms.

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.

Is the resistance as specified?

YES - Go to step 8.

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




8. Check continuity between body ground and front passenger's seat belt buckle switch 3P connector terminals No.1 and No.2.

IS there continuity?

YES - Replace the front passenger's seat belt buckle assembly.

NO - Go to step 9.

9. Disconnect the negative cable from the battery.
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. 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 13.

NO - Short to ground in the passenger's seat wire harness or floor wire harness; replace the faulty harness.




13. Check resistance between the No.1 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 passenger's seat wire harness or floor wire harness; replace the faulty harness.