Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Setup (Multimedia system) / Automatic sound leveliser (ASL)
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.
Other materials:
Data list/active test
1. Data list
Hint:
using the data list displayed by the hand–held tester or the obd ii scan tool,
you can read the value of
the switches, sensors, actuators and so on without parts removal. Reading the
data list as a first step
of troubleshooting is one method to shorten diagnostic time.
...
Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm
in order to control the hydraulic
pressure operation, the lock–up relay valve, which then the controls operation
of the lock–up clutch.
Fail safe function:
if the ecm detects a malfunction, it turns the ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...