DTC B2277: Submerging Circuit

DTC detecting condition: 

Submersion circuit monitor result ON continues for 300 seconds.

Trouble symptom: 

• The ignition can be turned ON, but cannot be turned OFF.
• Engine will not start. (Except for hybrid model)

  READY ON is not possible. (Hybrid model)

  CAUTION:

  • For replacement procedure of keyless access Control Module, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.
  • Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

1. CHECK LAN SYSTEM  .

   Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE . Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .

   Is the check result OK?

   Yes  : Go to  2.

   No  : Perform the inspection according to the diagnosis for LAN system.

2. 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 .

   No  : Replace the keyless access Control Module. Ref. to SECURITY AND LOCKS>KEYLESS ACCESS CONTROL MODULE .