DTC B2277: Detecting Vehicle Submersion: Description
This DTC is stored when a malfunction in the water submersion detection circuit in the certification ECU (smart key ECU assembly) is detected.
| DTC No. | DTC Detection Condition | Trouble Area | DTC Output Confirmation Operation |
|---|---|---|---|
| B2277 | The water submersion detection circuit in the certification ECU (smart key ECU assembly) detects water submersion (1-trip detection logic*). |
|
Wait 10 seconds after connecting the battery cable. |
*: Only output while a malfunction is present and the engine switch is on (IG)
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The engine cannot be turned off and the engine cannot be started. | The power source mode changes to on (IG) and starter relay activation is prohibited. |
RELATED DATA LIST AND ACTIVE TEST ITEMS
| DTC No. | Data List Item | Active Test Item |
|---|---|---|
| B2277 | - | - |