DTC B2277: Detecting Vehicle Submersion: Procedure

1. Clear the DTC. Refer to DTC CHECK/CLEAR .
2. Turn the power switch on (IG).
3. After 330 seconds have elapsed, check if the DTC has been set again.

   OK

   DTC B2277 is not output

   HINT: 

   If there are any signs that water was present, before replacing the power management control ECU, take measures to prevent any further water entry.

NG → See step   2 

OK → See step   3