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

WIRING DIAGRAM

PROCEDURE

1. CHECK RADIO RECEIVER ASSEMBLY

   
   

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

      OK
      Automatic station search function stops on a station.

   
   

   OK

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   NG

2. CHECK OPTIONAL COMPONENTS

   
   

   1. Check if any optional components that may decrease reception capacity, such as sunshade film or a telephone antenna, are not installed.

      Note

      Do not remove any optional components installed by the customer without his or her consent.

      OK
      Optional components are installed.

   
   

   OK

   REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

   NG

3. CHECK RADIO RECEIVER ASSEMBLY

   
   

   1. 

      Remove the antenna connector from the radio receiver assembly.

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

   3. Turn on the radio and turn 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.

      OK
      Noise Occurs.

   
   

   NG

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   OK

4. CHECK 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 RA-5 (ANT+) - Body ground Ignition switch ACC, radio switch on and FM or AM selected 11 to 14 V

   
   

   NG

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   OK

5. CHECK ANTENNA CORD SUB-ASSEMBLY

   
   
   1. 

      Text in Illustration

      *a	Front view of wire harness connector (to Radio Receiver Assembly)
      *b	Front view of wire harness connector (to No. 1 Amplifier Antenna Assembly)

      Remove the antenna connector from the radio receiver assembly.

   2. Remove the antenna connector from the No. 1 amplifier antenna assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition RA-3 (MAIN) - 3 Always Below 1 Ω RA-1 (SUB) - 2 Always Below 1 Ω RA-5 (ANT+) - 1 Always Below 1 Ω RA-3 (MAIN) - Body ground Always 10 kΩ or higher RA-1 (SUB) - Body ground Always 10 kΩ or higher RA-5 (ANT+) - Body ground Always 10 kΩ or higher

      Result

      Result	Proceed to
      OK (for Sedan)	A
      OK (for Wagon)	B
      NG	C

   
   

   B

   INSPECT QUARTER WINDOW ASSEMBLY RH (WINDOW GLASS ANTENNA WIRE) Click here

   C

   REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

   A

6. INSPECT BACK WINDOW GLASS (WINDOW GLASS ANTENNA WIRE)

   
   

   1. Inspect the back window glass (window glass antenna wire) Click here.

   
   

   NG

   REPAIR BACK WINDOW GLASS (WINDOW GLASS ANTENNA WIRE) Click here

   OK

7. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY

   
   

   1. Replace the No. 1 amplifier antenna assembly and check if radio broadcasts can be received normally Click here.

      OK
      Radio broadcasts can be received normally.

   
   

   OK

   END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

   NG

   REPLACE RADIO RECEIVER ASSEMBLY Click here

8. INSPECT QUARTER WINDOW ASSEMBLY RH (WINDOW GLASS ANTENNA WIRE)

   
   

   1. Inspect the quarter window assembly RH (window glass antenna wire) Click here.

   
   

   NG

   REPAIR QUARTER WINDOW ASSEMBLY RH (WINDOW GLASS ANTENNA WIRE) Click here

   OK

9. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY

   
   

   1. Replace the No. 1 amplifier antenna assembly and check if radio broadcasts can be received normally Click here.

      OK
      Radio broadcasts can be received normally.

   
   

   OK

   END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

   NG

10. CHECK NO. 2 AMPLIFIER ANTENNA ASSEMBLY

    
    

    1. Replace the No. 2 amplifier antenna assembly and check if radio broadcasts can be received normally Click here.

       OK
       Radio broadcasts can be received normally.

    
    

    OK

    END (NO. 2 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here