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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Amplifier (Amp) Premium 1 - Electrical Diagnostics) >> DTC Troubleshooting >> B1403-92 - Channel 4 Audio Speaker Output - Performance Or Incorrect Operation >> Possible Causes

Possible Causes

Possible Causes
RIGHT FRONT DOOR SPEAKER AND AMPLIFIER CONNECTIONS
RIGHT FRONT DOOR SPEAKER (+/-) CIRCUIT(S) - OPEN/HIGH RESISTANCE/SHORTED
RIGHT FRONT DOOR SPEAKER
AMPLIFIER

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  STANDARD PROCEDURE  .

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