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

for Preparation Click here


INSPECTION PROCEDURE

NOTICE:
After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).
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

    NOTICE:
    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.

  1. Check for noise

    1. Turn the ignition switch to 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


    E187251
  1. Preparation for check

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

  1. Check for noise

    1. Turn the ignition switch to 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.


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)
OK


5.INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY
  1. Disconnect the radio and display receiver assembly connector.



    E188455E19
  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    RA-5 (ANT+) - Body ground
    Ignition switch ACC
    Radio switch on and FM or AM selected
    11 to 14 V
    Text in Illustration 
    *a
    Component without harness connected
    (Radio and Display Receiver Assembly)


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)
OK


6.REPLACE ANTENNA CORD SUB-ASSEMBLY
  1. Replace the antenna cord sub-assembly and check if radio broadcasts can be received normally (Click here).

    OK:
    Radio broadcasts can be received normally.


NG
Go to step 7
OK

NORMAL OPERATION 

7.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY
  1. Disconnect the No. 2 antenna cord sub-assembly.

  1. Measure the resistance of the No. 2 antenna cord sub-assembly to check for an open circuit in the No. 2 antenna cord sub-assembly.

    Standard Resistance:
    Below 1 Ω
  1. Measure the resistance between the No. 2 antenna cord sub-assembly and body ground to check for a short circuit in the No. 2 antenna cord sub-assembly.

    Standard Resistance:
    10 kΩ or higher


NG
REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY (Click here)
OK


8.CHECK ROOF ANTENNA POLE SUB-ASSEMBLY
  1. Check that the roof antenna pole sub-assembly is securely installed (Click here).

    OK:
    The roof antenna pole sub-assembly is installed properly.


NG
CHECK AND REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY (Click here)
OK


9.REPLACE AMPLIFIER ANTENNA ASSEMBLY
  1. Replace the amplifier antenna assembly and check if radio broadcasts can be received normally (Click here).

    OK:
    Radio broadcasts can be received normally.


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)
OK

NORMAL OPERATION