Mazda 2002 Millenia Spezifikationen PDF herunterladen (Seite 275)

100

101

AUDIO AND NAVIGATION SYSTEM

T59

AUTO LEVEL CONTROL (ALC) FUNCTION

A6E812466900T04

Function

• Adjusts the audio volume so that the sound is balanced against wind and road noise while driving.

Operation

• The audio unit changes the volume automatically based on the vehicle speed signal sent from the instrument

cluster.

• The ALC function is divided into four modes, and can be used effectively to match the driving conditions.

End Of Sie

ON-BOARD DIAGNOSTIC SYSTEM (AUDIO SYSTEM)

A6E812466900T05

Outline

• The on-board diagnostic system has a self-diagnostic function and diagnostic assist function to help

technicians locate malfunctions.

Self-diagnostic Function

Malfunction detection function

• The malfunction detection section detects malfunctions occurring in the system.

A6E8124T021

1 Higher vehicle speed

2 Lower vehicle speed

3 Audio unit (base unit)

4 Vehicle speed signal

5ALC circuit

6 Power amplifier

7 Speaker

8 Higher volume

9Normal volume

Mode Condition

ALC function cancel

Outside road noise low

Outside road noise rather high

Outside road noise high

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