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Symptom: *POOR SOUND QUALITY POSSIBLE CAUSES CHECK AUDIO DTCS CHECK SELECTED RADIO EQ CURVE SET THE RADIO EQ CURVE VERIFY SOUND PERFORMANCE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, check for any audio related DTC’s. Are any Audio related DTCs set? All Yes → Refer to the Audio category for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1. No → Go To 2 2 Turn the ignition on. t, enter body, Instrument Cluster then miscellaneous. Check the radio EQ curve setting and follow the instructions on the DRBIII t. Is the radio EQ curve correct for the audio combination the vehicle is equipped with? All Yes → Refer to the service information for problems related to poor sound quality and perform the appropriate checks. No → Go To 3 3 Turn the ignition on. t, enter body, Instrument Cluster then miscellaneous. Set the radio EQ curve. Follow the instructions on the DRBIII t. Cycle the ignition switch from off to on. All Yes → Refer to the service information for problems related to poor sound quality and perform the appropriate checks. No → Replace the Instrument Cluster in accordance with the Service Information. 93 AUDIO |