Audio System Symptom Troubleshooting - Poor AM or FM radio reception or interference (without premium audio system)
Poor AM or FM radio reception or interference (without premium audio system)
NOTE:
  • Check the vehicle battery condition first.
  • Check the connectors for poor connections or loose terminals.
  • Check the radio reception in an open area. Poor reception/interference can be caused by any of these conditions:
  • The radio station is far away.
  • Atmospheric conditions are unfavorable.
  • Aftermarket window tint.
  • A tall building, mountains, or high-voltage power lines are nearby.
  1. Turn the ignition switch to ON (II).
  1. Check the reception/interference is the same in several locations.
Is the reception/interference the same?
YES -
Go to Step 3 .
NO -
Multipath interference or weak station. Operation is normal.■
  1. Check the reception/interference while the engine is running.
Is there noise (static or whine) only with the engine running?
YES -
Check the antenna and radio grounds. If OK, check the charging system and the ignition system.■
NO -
Go to Step 4 .
  1. Turn the ignition switch to LOCK (0).
  1. Wrap aluminum foil (A) around the tip of a tester probe (B) as shown.