*POOR SOUND QUALITY
For a complete wiring diagram Refer to Section 8W
| Possible Causes |
| CHECK AUDIO DTCS |
| CHECK SELECTED RADIO EQ CURVE |
| SET THE RADIO EQ CURVE |
| VERIFY SOUND PERFORMANCE |
Diagnostic Test
1. CHECK AUDIO DTCSTurn the ignition on.
With the Scan Tool, check for any audio related DTC's.
Are any Audio related DTCs set?
Yes
- Refer to the Audio category for the related symptom(s).
- Perform BODY VERIFICATION TEST - VER 1.
No
- Go To2
2. CHECK SELECTED RADIO EQ CURVE
Turn the ignition on.
With the Scan Tool, enter body, body computer then miscellaneous.
Check the radio EQ curve setting and follow the instructions on the Scan Tool.
Is the radio EQ curve correct for the audio combination the vehicle is equipped with?
Yes
- Refer to the service information for problems related to poor sound quality and perform the appropriate checks.
- Perform BODY VERIFICATION TEST - VER 1.
No
- Go To3
3. SET THE RADIO EQ CURVE
Turn the ignition on.
With the Scan Tool, enter body, body computer then miscellaneous.
Set the radio EQ curve. Follow the instructions on the Scan Tool.
Cycle the ignition switch from off to on.
Check the radio EQ curve setting.
Is the radio EQ curve correct for the audio combination the vehicle is equipped with?
Yes
- Refer to the service information for problems related to poor sound quality and perform the appropriate checks.
- Perform BODY VERIFICATION TEST - VER 1.
No
- Replace the Body Control Module in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1.