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.

    Share this page:

    Other materials:

    Fuel system
    Precaution 1. Before working on fuel system, disconnect negative (–) terminal cable from battery 2. Do not smoke or work near an open flame when working on fuel system 3. Keep gasoline away from rubber or leather parts 4. Work for prevent gasoline from spilling out Remove the rear s ...

    Inspection procedure
    Hint: if dtcs p0115, p0116, p0117, p0118 and p0125 are output simultaneously, the engine coolant temperature sensor circuit may be open or short. Perform the troubleshooting of dtc p0115, p0117 or p0118 first. Read freeze frame data using the hand-held tester or the obd ii scan to ...

    How to proceed with troubleshooting
    The hand–held tester can be used at step 3, 4, 5, 7, 10. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect hand–held tester to dlc3 Hint: if the display indicates a communication fault in the tool, inspect dlc3. 4 Check dtc and freeze frame data Hint: record or pr ...