Dtc B2277 Detecting Vehicle Submersion. Corolla Auris

Двигатель. COROLLA, AURIS. ZZE150 ZRE151,152 NDE150
Система Запуска 1Ad-Ftv. COROLLA, AURIS. ZZE150 ZRE151,152 NDE150

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR WATER DAMAGE

CHECK DTC OUTPUT

DTC B2277 Detecting Vehicle Submersion


DESCRIPTION

This DTC is output when the submersion circuit monitor inside the main body ECU detects that the vehicle is submerged in water.
УКАЗАНИЕ:
When the main body ECU is replaced with a new one and the negative (-) battery terminal is connected, the power source mode becomes the IG-ON mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.
After the main body ECU is replaced, perform the registration procedures for the engine immobiliser system.

DTC No.
DTC Detection Condition
Trouble Area
B2277
Submersion circuit monitor inside main body ECU detects that vehicle is submerged in water
Main body ECU

INSPECTION PROCEDURE

1.CHECK FOR WATER DAMAGE

  1. Check the main body ECU, peripheral components, and wire harnesses for traces of water.

    OK:
    There are no traces of water.


NG
TAKE APPROPRIATE MEASURES AGAINST CAUSE OF WATER DAMAGE AND REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
OK


2.CHECK DTC OUTPUT

  1. Delete the DTCs (See page Нажмите здесь).

    УКАЗАНИЕ:
    After all DTCs are cleared, check if the trouble occurs again 270 to 330 seconds after the engine switch is turned on (IG).

  1. Check for DTCs again.

    OK:
    No DTC is output.


NG
REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
OK

END