Inspection Procedure
- CHECK DTC
- Clear DTC (see DTC CHECK / CLEAR ).
- Turn the engine switch off.
- Disconnect the battery negative terminal and wait for 1 minutes.
- Connect the battery negative terminal.
- Turn the engine switch off.
- Check DTC.
OK:
P0604 is not present.
NG: REPLACE ECM
OK: CHECK FOR INTERMITTENT PROBLEMS