Diesel Data: Automotive Repair

B2277








2GR-FE STARTING: SMART KEY SYSTEM: B2277: Detecting Vehicle Submersion

DTC B2277 - Detecting Vehicle Submersion

DESCRIPTION

This DTC is output when the submersion circuit monitor inside the power source control ECU detects that the vehicle is submerged in water.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT
(a) Delete the DTC Reading and Clearing Diagnostic Trouble Codes.

HINT: After all DTCs are cleared, check if the trouble occurs again 30 seconds after the engine switch is turned on (IG).

(b) Check for DTCs again.
OK:
No DTC is output.

NG -- REPLACE POWER SOURCE CONTROL ECU
OK -- END