Toyota Venza manuals

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 ).


(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
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:

Removal
REMOVAL PROCEDURE 1. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/o Seat Heater System) 2. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/ Seat Heater System) 3. REMOVE NO. 2 CONSOLE BOX CARPET 4. REMOVE CONSOLE BOX ASSEMBLY 5. REMOVE AIR CONDITION ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL REAR AXLE HUB AND BEARING ASSEMBLY (a) Apply a total of 0.1 to 0.3g (0.00 ...

BUS IC Communication Malfunction (B1497/97)
DESCRIPTION The air conditioning harness connects the A/C amplifier and each servo. The A/C amplifier supplies power and sends operation instructions to each servo through the air conditioning harness. Each servo sends the damper position information to ...

© 2016-2025 Copyright www.tovenza.com

0.1166