DTC 30: Submicrocomputer
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0).
- Start the engine.
- Wait at least 10 seconds.
Does the EPS indicator come on?
YES -Go to step 6.
NO -Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.
- Check for DTCs with the HDS.
Is DTC 30 indicated?
YES -Check for loose terminals in the EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.
NO -Do the appropriate troubleshooting for the code indicated.