Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001CVF1
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 11/2022]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): Poor Sound Quality in All Modes (Low Volume); 2019 - 2023 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 11/2022]

Poor Sound Quality in All Modes (Low Volume)

PROCEDURE

1.

CHECK AUDIO SETTINGS

(a) Set treble, middle and bass to the initial values and check that the sound is normal.

OK:

The sound returns to normal.

HINT:

Sound quality adjustment measures vary according to the type of amplifier.

OK

END
NG

2.

COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.

OK:

No difference is found.

OK

END
NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): PROBLEM SYMPTOMS TABLE 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): PROBLEM SYMPTOMS TABLE 2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): PROBLEM SYMPTOMS TABLE 2021 - 2023 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 11/2022]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model with Dual Knob Type): PROBLEM SYMPTOMS TABLE