DTC B2277: Detecting Vehicle Submersion [07/2015 - ]: Procedure

CHECK FOR DTC
1. Clear the DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
2. Turn the power switch on (IG).
3. After 330 seconds have elapsed, check for DTCs.
  OK
  
  DTC B2277 is not output
  
  HINT:
  
  If there are any signs that water was present, before replacing the Certification ECU (Smart key ECU assembly), take measures to prevent any further water entry.
Result: OK

OK

END (USE SIMULATION METHOD TO CHECK)

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

Result: NG

NG

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

Refer to REMOVAL [07/2015 - ]