DTC Troubleshooting: 61-2x
| DTC 61-2x (61-20 to 61-29, 61-2A to 61-2F): | Short in Driver's Seat Belt Buckle Switch (KX and kD models) |
| 1. | Erase 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 61-2x indicated? YES - Go to 4. NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. |
| 4. | Turn the ignition switch OFF. |
| 5. | Disconnect the driver's seat subharness 3P connector from the driver's seat belt buckle switch 3P connector (A).
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| 6. | Buckle the driver's seat belt. Check resistance between the No. 1 and No. 3 terminals of the driver's seat belt buckle switch 3P connector. There should be 0-1 W. Check resistance between the No. 1 and No. 2 terminals of the same connector. There should be an open circuit or at least 1 MW.
Are the resistance as specified? YES - Go to 7. NO - Replace the driver's seat belt buckle assembly, then clear the DTC.n |
| 7. | Unbuckle the driver's seat belt. Check resistance between the No. 1 and No. 2 terminals of the driver's seat belt buckle switch 3P connector. There should be 0-1 W. Check resistance between the No. 1 and No. 3 terminals of the same connector. There should be an open circuit or at least 1 MW.
Are the resistance as specified? YES - Go to 8. NO - Replace the driver's seat belt buckle assembly, then clear the DTC.n |
| 8. | Check resistance between body ground and driver's seat belt buckle switch 3P connector terminals No. 2 and No. 3. There should be an open circuit or at least 1 MW.
Is the resistance as specified? YES - Go to 9. NO - Replace the driver's seat belt buckle assembly.n |
| 9. | Disconnect the negative cable from the battery. |
| 10. | Disconnect both seat belt tensioner 2P 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 driver's seat subharness 3P connector or floor wire harness 3P connector and body ground. There should be an open circuit or at least 1 MW.
Is the resistance as specified? YES - Go to 13. NO - Short to ground in the driver's seat subharness, floor wire harness; replace the faulty harness.n |
| 13. | Check resistance between the No. 3 terminal of the driver's seat subharness 3P connector or floor wire harness 3P connector and body ground. There should be an open circuit or at least 1 MW.
Is the resistance as specified? YES - Replace the SRS unit.n NO - Short to ground in the driver's seat subharness or floor wire harness; replace the faulty harness.n |