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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Body Diagnostic Procedures) >> Diagnostic Information And Procedures >> Audio >> Symptom: *POOR SOUND QUALITY >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - *POOR SOUND QUALITY

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, 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 To 2
All
2 Turn the ignition on.
With the DRBIII®, enter body, body computer then miscellaneous.
Check the radio EQ curve setting and follow the instructions on the DRBIII®.
Is the radio EQ curve correct for the audio combination the vehicle is equipped with?
Yes --> Refer to AUDIO/VIDEO for problems related to poor sound quality and perform the appropriate checks.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 3
All
3 Turn the ignition on.
With the DRBIII®, enter body, body computer then miscellaneous.
Set the radio EQ curve. Follow the instructions on the DRBIII®.
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 AUDIO/VIDEO 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  .
All