| DTC B1925: | Ignition Key Switch Signal Error |
| 1. | Clear the DTCs with the HDS. |
| 2. | Turn the ignition switch OFF and remove the ignition key. |
| 3. | Insert the ignition key into the ignition switch, and turn the ignition switch ON (II). |
| 4. | Check for DTCs with the HDS. Is DTC B1925 indicated? YES - Go to 5. NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections at the immobilizer-keyless control unit 7P connector and at the ignition key switch 6P connector.n |
| 5. | Turn the ignition switch OFF and remove the ignition key. |
| 6. | Disconnect the ignition key switch 6P connector. |
| 7. | At the ignition key switch side, check for continuity between the ignition key switch 6P connector No. 1 and No. 2 terminals.
Is there continuity? YES - Faulty ignition key switch or short to ground, replace the steering lock assembly.n NO - Go to 8. |
| 8. | Insert the ignition key into the ignition switch. |
| 9. | At the ignition key switch side, check for continuity between the ignition key switch 6P connector No. 1 and No. 2 terminals.
Is there continuity? YES - Go to 10. NO - Faulty ignition key switch, replace the steering lock assembly.n |
| 10. | Disconnect the immobilizer-keyless control unit 7P connector. |
| 11. | Check for continuity between the immobilizer-keyless control unit 7P connector No. 6 terminal and the ignition key switch 6P connector No. 1 terminal.
Is there continuity? YES - Go to 12. NO - Repair an open in the wire.n |
| 12. | Check for continuity between the immobilizer-keyless control unit 7P connector No. 6 terminal and body ground.
Is there continuity? YES - Repair a short to ground in the wire.n NO - Replace the immobilizer-keyless control unit.n |