DESCRIPTION
This DTC is stored when the submersion circuit monitor inside the power management control ECU detects a large amount of water.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2277 |
The submersion circuit monitor inside the power management control ECU detects a large amount of water. |
Power management control ECU |
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTC (See page ).
(b) Turn the engine switch on (IG).
(c) After 330 seconds have elapsed, check if the DTC has been set again.
OK:
DTC B2277 is not output.
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.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
NG | ![]() |
REPLACE POWER MANAGEMENT CONTROL ECU |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
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HINT:
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