heres some info that might help you better diagnose your radio problem.
Audio System Inspection and Verification
- Verify the customer concern by operating the electronic audio system with the engine running and the vehicle in and out of motion.
- Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Chart | Mechanical | Electrical |
|---|
- Integrated control panel (ICP) physically damaged, misaligned, any control(s) inoperative
- Digital audio compact disc player physically damaged, misaligned, any control(s) inoperative
- Antenna or antenna cable physically damaged, misaligned connection(s)
- Radio speakers, mounting/speaker cones physically damaged, misaligned
- Radio ignition interference capacitors, radio frequency interference suppression bond misaligned (also check for cleanliness and metal-to-metal contact)
| - Battery junction box (BJB) fuses F117 (20A), F127 (5A).
- Central junction box (CJB) fuse F227 (10A) F211 (15A), F216 (15A), F226 (10A) (wagon only)
|
- If the fault is not visually evident, proceed to diagnose the integrated control panel (ICP) by entering the ICP Self-Diagnostic Mode.
ICP Self-Diagnostic Mode
NOTE: To enter the ICP Self-Diagnostic Mode, the ICP must be ON and in radio tuner mode (AM/FM).
- Enter the diagnostic mode by pressing and holding preset buttons 3 and 6 simultaneously. This will suspend all radio functions, and display SP.
- Preset Button 1 = Audio internal/external SELF TEST. The display will flash SELF while gathering the diagnostic trouble codes (DTCs), then stop flashing when complete. Press the TUNE UP button to display the DTCs if any exist. Record codes and refer to the following table:
ICP SELF-TEST CODES | Code | Description |
|---|
| 0 | No diagnostic trouble codes logged |
| 1 | No response from rear chassis unit (RCU) |
| 2 | No response from cassette player |
| 3 | - |
| 4 | No response from compact disc player |
| 5 | - |
| 6 | - |
| 7 | No response from remote climate control |
| 8 | - |
| 9 | Read Only Memory Verification failed |
- Preset Button 2 = Displays the feature strap for code identification, refer to the following table.
| Code | Description |
|---|
| 01 | Base-Electronic Search Radio (ESR) with Manual Climate Control (MCC) |
| 07 | Electronic Search Radio with Cassette (ESC) with MCC |
| 17 | ESC with Electronic Automatic Temperature Control (EATC) |
| 97 | Not programmed default of ESC with EATC |
- Preset Button 3 = ICP and RCU identification. This test identifies the software level of the ICP and RCU. The ICP is tested first, followed by the RCU. The display will have two sequences of three codes each. The first sequence is for the ICP, the second sequence is for the RCU. For code identification, refer to the following table:
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