DTC B2277: Detecting Vehicle Submersion: Procedure

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Turn the engine switch on (IG).
3. After 330 seconds have elapsed, check for DTCs.
   RESULT
   
   

   Result	Proceed to
   DTC B2277 is not output.	A
   DTC B2277 is output.	B

   HINT: 

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

B → See step   2 

A → See step   3