DTC Troubleshooting: 33-02, 33-07
DTC 33-02:
 Upper FET Stuck ON (Initial Diagnosis)
DTC 33-07:
 Upper FET Stuck ON (Regular Diagnosis)
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0).
  1. Start the engine.
  1. Check for DTCs with the HDS.
Is DTC 33-02 or 33-07 indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the EPS control unit connector B (2P) and connector C (2P).
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between body ground and EPS control unit connector B (2P) terminal No. 1, connector C (2P) terminal No. 1, and connector C (2P) terminal No. 2 individually.
Is there battery voltage?
YES -
Go to Step 10 .
NO -
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the EPS motor 3P connector.
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between body ground and EPS control unit connector B (2P) terminal No. 1, connector C (2P) terminal No. 1, and connector C (2P) terminal No. 2 individually.
Is there battery voltage?
YES -
Repair short to power in the wire between the EPS control unit and the EPS motor.■
NO -
Replace the steering gearbox. The fault is a short to power in the EPS motor wire, or EPS motor internal circuit.■