DTC 33-02: Upper FET Stuck ON; DTC 34-02: Fail-safe Relay Stuck ON
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0).
- Start the engine.
- Turn the steering wheel to full left or full right, and hold the steering wheel for 10 seconds or more.
- Check for DTCs with the HDS.
Is DTC 33-02 or 34-02 indicated?
YES -Go to step 7.
NO -Intermittent failure, the system is OK at this time.
- Turn the ignition switch to LOCK (0).
- Disconnect EPS control unit connector B (2P).
- Turn the ignition switch to ON (II).
- Measure the voltage between body ground and EPS control unit connector B (2P) terminal No. 1, and terminal No. 2 individually.Fig 1: Measuring Voltage Between Body Ground And EPS Control Unit Connector B (2P) Terminal 1 And Terminal 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Repair a short to power in the wire between the EPS control unit and the EPS motor.
NO -Check for loose terminals in the EPS control unit connectors, and repair if necessary. If no poor connections are found, replace the EPS control unit (see EPS CONTROL UNIT REMOVAL/INSTALLATION ).