| DTC 33-02: | Upper FET Stuck ON (Initial diagnosis) |
| 1. | Clear the DTC using 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 33-02 or DTC 33-07 indicated? YES - Go to 5. NO - Perform the appropriate troubleshooting for the code indicated.n |
| 5. | Turn the ignition switch OFF. |
| 6. | Disconnect the EPS control unit connector B (2P) and connector C (2P). |
| 7. | Turn the ignition switch ON (II). |
| 8. | Measure the voltage 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 battery voltage? YES - Go to 9. NO - Check for loose terminals in the EPS control unit connectors and motor connectors, and repair if necessary. If no poor connections are found, replace the EPS control unit.n |
| 9. | Disconnect the motor 1P connector and motor 2P connector. |
| 10. | Measure the voltage 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 battery voltage? YES - Repair short to power in the wire harness between the EPS control unit and motor.n NO - Short to power in the motor wire harness, or motor internal circuit, replace the motor: LHD type, RHD type.n |