Audio And Visual System (For Radio Receiver Type) Radio Broadcast Cannot Be Received Or Poor Reception


WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK RADIO RECEIVER ASSEMBLY

CHECK OPTIONAL COMPONENTS

CHECK RADIO RECEIVER ASSEMBLY

INSPECT QUARTER WINDOW ASSEMBLY (WINDOW GLASS ANTENNA WIRE)

INSPECT RADIO RECEIVER ASSEMBLY

CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

CHECK HOLDER ANTENNA ASSEMBLY

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


WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (For Radio Receiver Type) Radio Broadcast Cannot Be Received Or Poor Reception


INSPECTION 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.


NG
Go to step 2
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)

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.

    OK:
    Optional components are installed.
    NOTICE:
    Do not remove optional components without permission of the customer.


NG
Go to step 3
OK

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

3.CHECK RADIO RECEIVER ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

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

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

  1. Turn on the radio and turn into AM mode.

  1. 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 occurs.


NG
REPLACE RADIO RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK


4.INSPECT QUARTER WINDOW ASSEMBLY (WINDOW GLASS ANTENNA WIRE)

  1. Inspect the quarter window assembly (window glass antenna wire) (LandCruiser RM000000VLW035X_01_0001.html).



NG
REPAIR QUARTER WINDOW ASSEMBLY (LandCruiser RM000000VLW035X_01_0002.html)
OK


5.INSPECT RADIO RECEIVER ASSEMBLY

  1. Disconnect the RA radio receiver assembly connector.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (For Radio Receiver Type) Radio Broadcast Cannot Be Received Or Poor Reception

  1. 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
    		11 to 14 V


NG
REPLACE RADIO RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK


6.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (For Radio Receiver Type) Radio Broadcast Cannot Be Received Or Poor Reception

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

  1. Disconnect the antenna connector from the holder antenna assembly.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    RA-3 (RMAIN2) - 3
    		Always
    		Below 1 Ω
    RA-5 (ANT+) - 1
    		Always
    		Below 1 Ω
    RA-3 (RMAIN2) - Body ground
    		Always
    		10 kΩ or higher
    RA-5 (ANT+) - Body ground
    		Always
    		10 kΩ or higher
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Radio Receiver Assembly)
    *b
    		Front view of wire harness connector
    (to Holder Antenna Assembly)


NG
REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY (LandCruiser RM000003AWL033X.html)
OK


7.CHECK HOLDER ANTENNA ASSEMBLY

  1. Replace the holder antenna assembly with a known good one and check if radio broadcasts can be received normally (LandCruiser RM000003AE102MX.html).

    OK:
    Radio broadcasts can be received.


NG
REPLACE RADIO RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK

END (HOLDER ANTENNA ASSEMBLY IS DEFECTIVE)