Test 86A - Identifying CCD Radio Problems

Using scan tool, select AUDIO. If scan tool displays NO RESPONSE, go to TEST 87A. If scan tool does not display NO RESPONSE, go to next step.
Using scan tool, read radio Diagnostic Trouble Codes (DTCs). If scan tool displays any DTCs, go to TEST 86B. If scan tool does not display any DTCs, go to next step.

CCD radio diagnostics are separated into 2 categories: radio failures and system failures. For radio failures, go to next step. For system failures, verify customer complaint and identify problem area before performing appropriate test. See DIAGNOSING CCD RADIO SYSTEM table below.

DIAGNOSING CCD RADIO SYSTEM

Problem	Perform Test
No Sound From One Speaker	88A
No Sound From All Speakers	89A
Poor Sound Quality From One Speaker	90A
Poor Sound Quality From All Speakers	91A

If any of the following radio failures exist, replace radio:
- AM/FM switch inoperative.
- Balance joystick inoperative.
- Eject switch inoperative.
- Equalizer inoperative.
- FF/FR switch inoperative.
- On/Off switch inoperative.
- Pause/Play switch inoperative.
- Scan switch inoperative.
- Seek switch inoperative.
- Set switch inoperative.
- Time switch inoperative.
- Tune switch inoperative.
- 1-5 presets inoperative.