Toyota Corolla (E170): Automatic sound leveliser (ASL)

1 Select “Automatic Sound Levelizer”.

2 Select “High”, “Mid”, “Low” or “Off”.

■The sound quality level is adjusted individually

The treble, mid and bass levels can be adjusted for each audio mode separately.

■About Automatic Sound Leveliser (ASL)

ASL automatically adjusts the volume and tone quality according to the vehicle speed.

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    Adjustment
    1. Inspect and adjust clutch pedal sub–assy Turn over the floor carpet.  check that the pedal height is correct. Pedal height from asphalt sheet: 135.8 – 145.8 Mm (5.346 – 5.740 In.)  adjust the pedal height. Loosen the lock nut and turn the stopper bolt until ...

    Using the AUX port
    This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Press until “AUX” is displayed. Connecting a portable player ■Operating portable audio devices connected to the audio system The volume can be adjusted using the vehicle's ...

    Inspection procedure
    Hand–held tester: 1 Perform active test by hand–held tester(operation of circuit opening relay) Connect the hand–held tester to the dlc3.  turn the ignition switch on and push the hand–held tester main switch on.  select the item ”diagnosis / enhanced obd ii / active ...