July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

CHECK DTC
1. Clear DTC.
2. Turn the ignition switch OFF.
3. Disconnect the cable from the negative battery terminal and wait for 1 minute.
4. Connect the cable to the negative battery terminal.
5. Turn the ignition switch ON.
6. Check DTC.
  OK:
  
  P0604 is not present.
  
  NG: REPLACE ECM (See REMOVAL )
  
  OK: CHECK FOR INTERMITTENT PROBLEMS (See CHECK FOR INTERMITTENT PROBLEMS )