| DTC 33-01: | Lower FET Stuck ON (Initial diagnosis) |
| 1. | Clear the DTCs with the HDS. |
| 2. | Turn the ignition switch OFF. |
| 3. | Start the engine. Does the EPS indicator come on? YES - Go to 4. NO - Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.n |
| 4. | Verify the DTC. Is DTC 33-01 or DTC 33-06 indicated? YES - Go to 5. NO - Troubleshoot the indicated DTC. If there are no DTCs, the system is OK at this time.n |
| 5. | Turn the ignition switch OFF. |
| 6. | Disconnect EPS control unit connector B (2P) and connector C (2P). |
| 7. | Check for continuity between body ground and the EPS control unit connector B (2P) No. 1 terminal, connector C (2P) No. 1 terminal, connector C (2P) No. 2 terminal individually.
Is there continuity? YES - Go to 8. NO - Check for loose terminals in the EPS control unit connector, and repair if necessary. If no poor connections are found, replace the EPS control unit.n |
| 8. | Disconnect the motor 1P connector and motor 2P connector. |
| 9. | Check for continuity between body ground and the EPS control unit connector B (2P) No. 1 terminal, connector C (2P) No. 1 terminal, connector C (2P) No. 2 terminal individually.
Is there continuity? YES - Repair short in the wire harness between the EPS control unit and motor.n NO - Short in the motor wire harness, or motor internal circuit, replace the motor.n |