EPS DTC Troubleshooting: 33-01, 33-06
DTC 33-01:
 Lower FET Stuck ON (Initial diagnosis)
DTC 33-06:
 Lower FET Stuck ON (Regular diagnosis)
  1. Turn the ignition switch OFF.
  1. Start the engine.
Does the EPS indicator come on?
YES -
Go to Step 4 .
NO -
Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.■
  1. Verify the DTC.
Is DTC 33-01 or DTC 33-06 indicated?
YES -
Go to Step 5 .
NO -
Troubleshoot the indicated DTC. If there are no DTCs, the system is OK at this time.■
  1. Turn the ignition switch OFF.
  1. Disconnect EPS control unit connector B (2P) and connector C (2P).
  1. 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 Step 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. ■
  1. Disconnect the motor 1P connector and motor 2P connector.
  1. 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.■
NO -
Short in the motor wire harness, or motor internal circuit, replace the motor. ■