Honda ACCORD HYBRID 2005 Service Manual page 1991

S y m p t o m Troubleshooting
Poor radio reception or interference
NOTE: Check the radio reception in an open area. Poor
reception/interference can be caused by the f o l l o w i n g :
• The radio station is far away.
• A t a l l building, a m o u n t a i n , or high-voltage power
line is nearby.
1. Do the seek stop test (see page 23-65)
Is the test vehicle within 10 % of the known-good
vehicle?
YES—Multipath interference or weak station.
Operation is n o r m a l . •
NO—Go to step 2.
2. Check if the radio reception/interference is the
same in several locations.
Is the reception/interference the same?
Y E S — G o t o step 3.
NO—Multipath interference or weak station.
Operation is n o r m a l . •
3. Check to see if the problem is interference w h i l e
the engine is running.
Is there noise 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.
4. Disconnect the antenna cable 3P connector f r o m
the antenna mast (see page 23-75).
5. Measure the voltage between the anntena cable
connector No. 3 terminal at the antenna mast lead
and body g r o u n d .
A N T E N N A M A S T 3P
C O N N E C T O R
T e r m i n a l side of female t e r m i n a l s
Is there battery voltage?
Y E S — G o t o step 6.
NO—Faulty antenna c a b l e . •
(cont'd)
23-25