DTC B2277: Submerging Circuit

DTC detecting condition:

When the water-submersion circuit monitor result ON continued for 300 seconds.

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 INSTRUCTIONS FOR IMMOBILIZER" provided as a separate volume.
Before performing diagnosis, refer to "CAUTION" in "General Description". Refer to KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

CHECK LAN SYSTEM.
Perform the diagnosis for LAN system. Refer 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. Refer to SECURITY AND LOCKS>KEYLESS ACCESS control module .

No: Replace the keyless access control module. Refer to SECURITY AND LOCKS>KEYLESS ACCESS control module .