AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) Radio Broadcast cannot be Received or Poor Reception

PROCEDURE

1. CHECK RADIO RECEIVER ASSEMBLY

   
   

   1. Check the radio automatic station search function by activating it.

      Result
      Proceed to Automatic station search function does not stop Automatic station search function stops on a station

   
   

   Automatic station search function stops on a station

   USE SIMULATION METHOD TO CHECK Click here

   Automatic station search function does not stop

2. CHECK OPTIONAL COMPONENTS

   
   

   1. Check if any optional components that may decrease reception capacity, such as sunshade film or a telephone antenna, are installed.

      Note

      Do not remove optional components without the permission of the customer.

      Result
      Proceed to Optional components are not installed Optional components are installed

   
   

   Optional components are installed

   REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

   Optional components are not installed

3. CHECK RADIO ANTENNA

   
   

   1. Remove the roof antenna pole sub-assembly from the amplifier antenna assembly.

   2. Turn the ignition switch ACC with the radio receiver assembly connector connected.

   3. Turn the radio on and tune into AM mode.

   4. Place a screwdriver, thin wire, or other metal object on the amplifier antenna threaded installation portion for the roof antenna pole sub-assembly and check that noise can be heard from the speakers.

      Result
      Proceed to Noise does not occur Noise occurs

   
   

   Noise occurs

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   Noise does not occur

4. CHECK RADIO RECEIVER ASSEMBLY

   
   

   1. 

      Remove the antenna connector from the radio receiver assembly.

   2. Turn the ignition switch ACC with the radio receiver assembly connector connected.

   3. Turn the radio on and tune into AM mode.

   4. Place a screwdriver, thin wire or other metal object on the radio receiver assembly antenna jack and check that noise can be heard from the speakers.

      Result
      Proceed to Noise can be heard from the speakers Noise cannot be heard from the speakers

   
   

   Noise cannot be heard from the speakers

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   Noise can be heard from the speakers

5. INSPECT RADIO RECEIVER ASSEMBLY

   
   

   1. Disconnect the RA radio receiver assembly connector.

   2. 

      Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition 5 (ANT+) - Body ground Ignition switch ACC Radio switch on and FM or AM selected 11 to 14 V

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   OK

6. CHECK ANTENNA CORD SUB-ASSEMBLY

   
   

   1. Replace the antenna cord sub-assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to Radio broadcasts can be received normally Radio broadcasts cannot be received normally

   
   

   Radio broadcasts can be received normally

   END (ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

   Radio broadcasts cannot be received normally

7. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

   
   

   1. Replace the No. 2 antenna cord sub-assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to Radio broadcasts can be received normally Radio broadcasts cannot be received normally

   
   

   Radio broadcasts can be received normally

   END (NO. 2 ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

   Radio broadcasts cannot be received normally

8. CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY

   
   

   1. Replace the No. 3 antenna cord sub-assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to Radio broadcasts can be received normally Radio broadcasts cannot be received normally

   
   

   Radio broadcasts can be received normally

   END (NO. 3 ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

   Radio broadcasts cannot be received normally

9. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY

   
   

   1. Check that the roof antenna pole sub-assembly is securely installed.

      Click here

      Result
      Proceed to The roof antenna pole sub-assembly is installed properly The roof antenna pole sub-assembly is not installed properly

   
   

   The roof antenna pole sub-assembly is not installed properly

   REINSTALL ROOF ANTENNA POLE SUB-ASSEMBLY Click here

   The roof antenna pole sub-assembly is installed properly

10. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY

    
    

    1. Replace the roof antenna pole sub-assembly and check if radio broadcasts can be received normally.

       Click here

       Result
       Proceed to Radio broadcasts can be received normally Radio broadcasts cannot be received normally

    
    

    Radio broadcasts can be received normally

    END (ROOF ANTENNA POLE SUB-ASSEMBLY IS DEFECTIVE)

    Radio broadcasts cannot be received normally

11. CHECK ANTENNA WITH HOLDER ASSEMBLY

    
    

    1. Replace the antenna with holder assembly and check if radio broadcasts can be received normally.

       Click here

       Result
       Proceed to Radio broadcasts can be received normally Radio broadcasts cannot be received normally

    
    

    Radio broadcasts can be received normally

    END (ANTENNA WITH HOLDER ASSEMBLY IS DEFECTIVE)

    Radio broadcasts cannot be received normally

    REPLACE RADIO RECEIVER ASSEMBLY Click here