DTC B2779: Remote Control Engine Starter Collation

DTC detecting condition: 

When any of the following conditions is established regarding remote control engine starter registration or remote control engine starter operation.

• No response is obtained from remote control engine starter (including retry).
• Cryptographic communication does not match with remote control engine starter (including retry).

Trouble symptom: 

Remote engine starter does not function.

1. REGISTER THE REMOTE ENGINE STARTER. 
   1. Using the Subaru Select Monitor, perform the clear memory of [Keyless Access with Push Button Start]. Ref. to COMMON (diag)>CLEAR MEMORY .
   2. Register the remote engine starter using the Subaru Select Monitor. (Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.)
      NOTE: When the registration failed, refer to "Correspondence table when registration is not possible" in the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.
   3. Read the DTC of [Keyless Access with Push Button Start] using the Subaru Select Monitor. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC B2779 displayed? (Current malfunction)

   Yes  : Replace the remote engine starter.

   No  : Even if DTC is displayed, the circuit has returned to a normal condition at this time.

   Reproduce the failure, and then perform the diagnosis again.

   NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.