DTC B2252: Speaker Line Shorts To GND

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. Turn the ignition switch to ON.
2. Using the Subaru Select Monitor, perform the clear memory of [Infotainment]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
3. Turn the ignition switch OFF → ON.
4. Read the DTC of [Infotainment] using the Subaru Select Monitor. Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B2252 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.