Troubleshooting Hints

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS
1. Check "P Fuse Block Fuses 9C, 4A and 8D.
2. Check that Antenna Connector and Antenna Coaxial Cable are properly connected.
3. Before troubleshooting a suspect speaker, check all connections to that speaker for proper terminal contact.
4. For proper noise diagnosis, take vehicle outside where signals are strong. Close hood, and keep away from metal buildings or other sources of radio interference.
5. Ignition noise on FM may indicate a defective Ignition System.
6. Coated screws or bolts can cause a poor ground condition. Scrape ground screw clean of any paint or varnish.
7. If Radio does not operate for 10 minutes after Ignition Switch is turned to OFF (if equipped with Retained Accessory Power), refer to Accessories and Optional Equipment / System Diagnosis for diagnosis. Testing and Inspection
8. If Radio operates properly except from Steering Wheel Controls (if equipped), refer to Steering Wheel Control for diagnosis.
- Refer to Symptom Table for the appropriate diagnostic procedure(S).
- If scan tool diagnostic equipment is available, it may be used to diagnose Radio System components on the Data Link.