ST–56
2GR-FE STARTING
– SMART KEY SYSTEM
ST
DESCRIPTION
This DTC is output when the submersion circuit monitor inside the main body ECU detects that the vehicle
is submerged in water.
HINT:
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 (See page
EI-8
).
INSPECTION PROCEDURE
(a) Check the main body ECU, peripheral components, and
wire harnesses for traces of water.
OK:
There are no traces of water.
NG
OK
(a) Delete the DTCs (See page
ST-26
).
HINT:
After all DTCs are cleared, check if the trouble occurs
again 30 seconds after the engine switch is turned on
(IG).
(b) Check for DTCs again.
OK:
No DTC is output.
NG
OK
DTC
B2277
Detecting Vehicle Submersion
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
1
CHECK FOR WATER DAMAGE
TAKE APPROPRIATE MEASURES AGAINST
CAUSE OF WATER DAMAGE AND REPLACE
MAIN BODY ECU
2
CHECK DTC OUTPUT
REPLACE MAIN BODY ECU
END
Summary of Contents for 2GR-FE
Page 176: ...ES 20 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES NEXT 20 CONDUCT CONFIRMATION TEST END ...
Page 247: ...2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES 91 ES OK REPLACE ECM See page ES 518 ...
Page 412: ...ES 256 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES A END ...
Page 447: ...2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES 291 ES OK REPLACE ECM See page ES 518 ...
Page 556: ...ES 400 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES A REPLACE TCM ...
Page 630: ...ES 474 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES OK REPLACE ECM See page ES 518 ...
Page 658: ...2GR FE ENGINE CONTROL SYSTEM VVT SENSOR ES 493 ES 22 INSTALL ENGINE UNDER COVER LH ...
Page 897: ...2GR FE STARTING SMART KEY SYSTEM ST 35 ST OK REPLACE MAIN BODY ECU ...
Page 923: ...2GR FE STARTING SMART KEY SYSTEM ST 61 ST OK REPLACE MAIN BODY ECU ...
Page 935: ...2GR FE STARTING SMART KEY SYSTEM ST 73 ST OK REPLACE MAIN BODY ECU ...
Page 940: ...ST 78 2GR FE STARTING SMART KEY SYSTEM ST OK REPLACE MAIN BODY ECU ...
Page 958: ...ST 96 2GR FE STARTING SMART KEY SYSTEM ST OK END MAIN BODY ECU DEFECTIVE ...