DTC B2253: Damaging A Coil Due To The Electric Current To The Speaker Coil

Trouble symptom:

Does not sound.

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to INFOTAINMENT (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

CHECK DTC.
1. Using the Subaru Select Monitor, perform the clear memory of [Infotainment]. Ref. to COMMON (diag)>CLEAR MEMORY .
2. Turn the ignition switch OFF → ON.
3. Read the DTC of [Infotainment] using the Subaru Select Monitor. Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B2253 displayed? (Current malfunction)

Yes : Go to 2.

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.
CHECK CONNECTOR.
Check the harness between audio connector or navigation unit connector and audio amplifier.

Is the check result OK?

Yes : Replace the audio or navigation unit. Ref. to ENTERTAINMENT & MONITORING>AUDIO . Ref. to ENTERTAINMENT & MONITORING>NAVIGATION BODY .

No : Repair the harness or replace the components.