NAVIGATION SYSTEM Radio Broadcast cannot be Received or Poor Reception

PROCEDURE

1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

   
   

   1. Check the radio automatic station search function.

      
      

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

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

   
   

   B

   REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

   A

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.

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

      Note

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

   
   

   B

   REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

   A

3. CHECK RADIO ANTENNA

   
   

   1. Preparation for check

      
      

      1. Remove the roof antenna pole sub-assembly from the amplifier antenna assembly (w/o DAB Function).

      2. Remove the roof antenna pole sub-assembly from the digital audio broadcasting antenna assembly (w/ DAB Function).

   2. Check for noise

      
      

      1. Turn the power switch on (ACC) with the radio and display receiver assembly connector connected.

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

      3. 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
         Result Proceed to Noise does not occur A Noise occurs B

   
   

   B

   REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

   A

4. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

   
   

   1. 

      Preparation for check

      
      

      1. Disconnect the antenna connector from the radio and display receiver assembly.

   2. Check for noise

      
      

      1. Turn the power switch on (ACC) with the radio and display receiver assembly connector connected.

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

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

         OK
         Noise can be heard from the speakers.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

   OK

5. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

   
   

   1. Disconnect the RA radio and display receiver assembly connector.

   2. 

      *a	Component without harness connected (Radio and Display Receiver Assembly)

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

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

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

   OK

6. REPLACE ANTENNA CORD SUB-ASSEMBLY (for Radio Antenna)

   
   

   1. Replace the antenna cord sub-assembly (for Radio Antenna) and check if radio broadcasts can be received normally.

      Click here

      OK
      Radio broadcasts can be received normally.

      Result
      Proceed to OK NG

   
   

   OK

   NORMAL OPERATION

   NG

7. CHECK NAVIGATION ECU

   
   

   1. 

      Preparation for check

      
      

      1. Disconnect the antenna connector from the navigation ECU.

   2. Check for noise

      
      

      1. Turn the power switch on (ACC) with the navigation ECU connector connected.

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

      3. Place a screwdriver, thin wire or other metal object on the navigation ECU antenna jack and check that noise can be heard from the speakers.

         OK
         Noise can be heard from the speakers.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE NAVIGATION ECU Click here

   OK

8. INSPECT NAVIGATION ECU

   
   

   1. Disconnect the RA navigation ECU connector.

   2. 

      *a	Component without harness connected (Navigation ECU)

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

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

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE NAVIGATION ECU Click here

   OK

9. REPLACE ANTENNA CORD SUB-ASSEMBLY (for Instrument Panel Side)

   
   

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

      for Wagon: Click here

      for Hatchback: Click here

      OK
      Radio broadcasts can be received normally.

      Result
      Proceed to OK NG

   
   

   OK

   NORMAL OPERATION

   NG

10. REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

    
    

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

       for Wagon: Click here

       for Hatchback: Click here

       OK
       Radio broadcasts can be received normally.

       Result
       Proceed to OK NG

    
    

    OK

    NORMAL OPERATION

    NG

11. REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY

    
    

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

       Click here

       OK
       Radio broadcasts can be received normally.

       Result
       Result Proceed to OK A NG (w/o DAB Function) B NG (w/ DAB Function) C

    
    

    A

    NORMAL OPERATION

    C

    REPLACE DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY Click here

    B

12. REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY

    
    

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

       for Wagon: Click here

       for Hatchback: Click here

       OK
       Radio broadcasts can be received normally.

       Result
       Proceed to OK NG

    
    

    OK

    NORMAL OPERATION

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

13. REPLACE DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY

    
    

    1. Replace the digital audio broadcasting antenna assembly and check if radio broadcasts can be received normally.

       for Wagon: Click here

       for Hatchback: Click here

       OK
       Radio broadcasts can be received normally.

       Result
       Proceed to OK NG

    
    

    OK

    NORMAL OPERATION

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here