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 |
On-vehicle Inspection
Lost Communication with ECM / PCM "A" (U0100)Removal
REMOVAL
PROCEDURE
1. REMOVE REAR BUMPER PLATE LH
(a) Using a screwdriver with the tip wrapped with protective tape, disengage
the 2 claws and remove the rear bumper plate LH.
Text in Illustration
*1
Pro ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECM controls the cruise control system of the vehicle. The data and DTCs
relating to the cruise control system can be read from the DLC3 of the vehicle.
If either DTC or CRUISE OK is not displayed on the multi-informat ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL CHECK VALVE GROMMET
(a) Install a new check valve grommet to the brake booster assembly.
2. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Install the brake vacuum check valve assembly to the brake booster assembly.
3. IN ...