Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2779 remote control engine starter collation

Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2779 remote control engine starter collation

DTC DETECTING CONDITION:

When the keyless access CM does not respond to engine start even when the remote control engine starter is ON, or when there is a code mismatch.

TROUBLE SYMPTOM:

Remote engine starter does not function.

STEP	CHECK	YES	NO
1.REGISTER THE REMOTE ENGINE STARTER. 1) Clear the DTC. Clear Memory Mode 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 “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. 3) Read the DTC again. Read Diagnostic Trouble Code (DTC)	Is B2779 displayed-	Replace the remote engine starter.	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.

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Other materials:

Removal
CAUTION:If the engine oil is spilt over exhaust pipe or the under cover, wipe it off with cloth to avoid emission of smoke or causing a fire.1. Drain engine coolant. Engine Coolant > REPLACEMENT2. Drain the engine oil. Engine Oil > REPLACEMENT3. Remove the engine oil cooler water pipe (A), water h ...