Toyota Venza: Detecting Vehicle Submersion (B2277)
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:
- When the power management control ECU is replaced with a new one and the cable from the negative (-) battery terminal is connected, the power source mode becomes the on (IG) mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Clear the DTC (See page .gif)
).
(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 | .gif) |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE POWER MANAGEMENT CONTROL ECU |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK POWER SOURCE MODE CHANGE FUNCTION
(a) Check the function of the engine switch.
(1) Check that power source mode changes in accordance with the conditions o ...
Lost Communication with ECM / PCM "A" (U0100)
DESCRIPTION
The power management control ECU receives shift position information from 2 sources.
It receives a shift position P signal from the shift lock control unit assembly
via a direct line, ...
Other materials about Toyota Venza:
Installation
INSTALLATION
PROCEDURE
1. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG
(a) Temporarily tighten the front disc brake bleeder plug.
HINT:
Fully tighten the front disc brake bleeder plug after bleeding any air left in
the system.
(b) Install the fron ...
Selecting trailer ball
Use the correct trailer ball for your application.
1. Trailer ball load rating
Matches or exceeds the gross trailer weight rating of the trailer.
2. Ball diameter
Matches the size of the trailer coupler. Most couplers are stamped with the required
trai ...
Automatic High Beam
The Automatic High Beam uses an in-vehicle camera sensor to assess the brightness
of streetlights, the lights of oncoming and preceding vehicles, etc., and automatically
turns high beam on or off as necessary.
- Activating the Automatic High Beam sy ...
0.1514