AUDIO AND VISUAL SYSTEM (w/o Microphone) Radio Broadcast cannot be Received (Bad Reception)

INSPECTION PROCEDURE

PROCEDURE

1. CHECK WHETHER RADIO AUTO-SEARCH FUNCTIONS PROPERLY

   
   

   1. Check whether the radio auto-search functions properly.

      
      

      1. Perform the auto-search of the radio and check that it functions normally.

         OK
         The radio auto-search functions properly.

   
   

   OK

   REPLACE RADIO RECEIVER

   NG

2. CHECK FOR OPTIONAL COMPONENTS

   
   

   1. Check for the optional components such as sun shade film and telephone antenna.

      
      

      1. Check whether or not any optional component, such as the sunshade film and the telephone antenna, is installed.

         OK
         An optional components are installed.

   
   

   OK

   EFFECT FROM OPTIONAL COMPONENTS

   NG

3. CHECK ANTENNA FOR NOISE PRODUCTION

   
   

   1. 

      Check for noise from the antenna.

      
      

      1. Remove the pull top antenna pole by turning it in the direction shown by the arrow in the illustration.

      2. With the ignition switch ON (ACC), turn on the radio and choose the AM mode.

      3. Place the tip of a screwdriver on the antenna base and check that noise is heard from the speakers.

         OK
         Noise occurs.

         

   
   

   OK

   REPLACE PULL TOP ANTENNA POLE

   NG

4. INSPECT RADIO RECEIVER (ANTENNA)

   
   

   1. Prepare for the check.

      
      

      1. Remove the antenna plug of the radio receiver.

   2. Check for noise.

      
      

      1. With the radio receiver connector connected, turn the ignition switch to ACC.

      2. Turn on the radio and choose the AM mode.

      3. Place a flat-head screwdriver or metal object such as a thin wire on the antenna jack of the radio receiver and check that noise is heard from the speakers.

         OK
         Noise occurs.

         

   
   

   NG

   REPLACE RADIO RECEIVER ASSEMBLY

   OK

   REPLACE ANTENNA CORD