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 |
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main Body ECU
(Driver Side Junction Block Assembly)
Clearance Warning ECU Assembly
Destination information
...
Cursor or Map Rotates when Vehicle Stopped
PROCEDURE
1.
CHECK CONDITION
(a) Check with the customer if the vehicle has been turned by a turntable.
OK:
Vehicle has not been turned by a turntable.
HINT:
If the vehicle is turned on a turntable with ...
Terminals Of Ecm
TERMINALS OF ECM
HINT:
The standard voltage between each pair of ECM terminals is shown in the table
below. The appropriate conditions for checking each pair of terminals are also indicated.
The result of checks should be compared with the standard vol ...