LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> HS 250h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio / Video System (W/O Navigation System) (Diagnostic Codes & Circuit Tests) >> AUDIO AND VISUAL SYSTEM (w/o Navigation System) >> Circuit Tests >> Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU: Description

The multi-media interface ECU sends sound signals to the radio receiver assembly through this circuit.

If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly, radio receiver assembly, DCM (telematics transceiver)*1 or speakers.