DTC B2277: Submerging Circuit

DTC detecting condition:

When the water-submersion detection circuit integrated into the keyless access Control Module detects the water submersion.

Trouble symptom:

The ignition can be turned ON, but cannot be turned OFF.
Engine will not start.

CAUTION: For replacement procedure of keyless access Control Module, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.

CHECK LAN SYSTEM .
Inspect LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .

Is the check result OK?

Yes: Go to 2.

No: Perform the inspection according to the diagnosis for LAN system.
CHECK SUBMERSION CONDITION .
Check the keyless access Control Module and environment of equipment, and check the harness for any trace of water submersion.

Is there any trace of water submersion?

Yes: Take necessary measures against water submersion and replace the keyless access Control Module. Ref. to SECURITY AND LOCKS>Keyless Access Control Module>REMOVAL .

No: Replace the keyless access Control Module. Ref. to SECURITY AND LOCKS>Keyless Access Control Module>REMOVAL .