DTC 37-01
DTC 37-01: EPS Control Unit Internal Circuit (Step-up Circuit) (Initial diagnosis)1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Start the engine.
5. Check for DTCs with the HDS.
Is DTC 37-01 indicated?
YES - 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.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EPS control unit.