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

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