DTC    B2277    Detecting Vehicle Submersion

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DESCRIPTION

This DTC is output when the submersion circuit monitor inside the main body ECU detects that the vehicle has been submerged in water.

DTC Code
Detection Condition
Trouble Area
B2277
Submersion circuit monitor inside main body ECU detects that vehicle is submerged in water
Main body ECU

INSPECTION PROCEDURE

УКАЗАНИЕ:
Before commencing troubleshooting, check if the main body ECU is wet. If it is, replace the main body ECU.

1.CHECK WHETHER DTC OUTPUT RECURS

  1. Clear the DTCs.

  1. Check whether DTC B2277 recurs 30 seconds or more after the engine switch is turned on (IG).

    OK:
    No DTC is output.



NG
REPLACE MAIN BODY ECU
OK

END (SYSTEM IS OK)