Poor RDS-TMC reception or interference NOTE: Check the RDS-TMC reception in an open area. Poor reception/interference can be caused by the following: The RDS-TMC station is too far away. Atmospheric condition are unfavorable. Tall buildings, mountains, or high-voltage power lines are nearby. Check if the RDS-TMC reception/interference is the same in several locations. Is the reception/interference the same?
YES | - | Go to Step 2 .
NO | - | Multipath interference or weak station. Operation is normal.■
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 navigation grounds. If OK, check the charging system and the ignition system.■
NO | - | Go to Step 3 .
Wrap aluminum foil (A) around the tip of a tester probe (B) as shown. |