Toyota Venza: Radio Broadcast cannot be Received or Poor Reception

Toyota Venza Service Manual / Audio / Video / Audio And Visual System / Radio Broadcast cannot be Received or Poor Reception

PROCEDURE

1.	CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) Check the radio automatic station search function.

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

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

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

2.	CHECK OPTIONAL COMPONENTS

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

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.

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

3.	CHECK RADIO ANTENNA

(a) Preparation for check

(1) Remove the roof antenna pole sub-assembly from the satellite radio antenna assembly (w/ SDARS System).

(2) Remove the roof antenna pole sub-assembly from the amplifier antenna assembly (for Roof) (w/o SDARS System).

(b) Check for noise

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

(2) Turn the radio and display receiver assembly on and enter AM mode.

(3) Place a screwdriver, thin wire or other metal object on the threaded portion of the satellite radio antenna assembly for installation of the roof antenna pole sub-assembly and check that noise can be heard from the speakers (w/ SDARS System).

(4) Place a screwdriver, thin wire or other metal object on the threaded portion of the amplifier antenna assembly (for Roof) for installation of the roof antenna pole sub-assembly and check that noise can be heard from the speakers (w/o SDARS System).

OK:

Noise can be heard from the speakers.

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

4.	CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) Preparation for check

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

(b) 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.

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

5.	INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) Disconnect the RA radio and display receiver assembly connector.

(b) 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)

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

6.	REPLACE ANTENNA CORD SUB-ASSEMBLY

(a) Replace the antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally (See page ).

OK:

Radio broadcasts can be received normally.

END

7.	REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 2 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally (See page ).

OK:

Radio broadcasts can be received normally.

END

8.	REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 3 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally (See page ).

OK:

Radio broadcasts can be received normally.

END

9.	CHECK ROOF ANTENNA POLE SUB-ASSEMBLY

(a) Check that the roof antenna pole sub-assembly is securely installed (See page ).

OK:

The roof antenna pole sub-assembly is installed properly.

(b) Proceed to the next step based on the inspection result.

Condition	Proceed to
NG	A
OK (w/ SDARS System)	B
OK (w/o SDARS System)	C

CHECK AND REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY

GO TO STEP 11

10.	REPLACE SATELLITE RADIO ANTENNA ASSEMBLY

(a) Replace the satellite radio antenna assembly with a new or known good one and check if radio broadcasts can be received normally (See page ).

OK:

Radio broadcasts can be received normally.

END

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

11.	REPLACE AMPLIFIER ANTENNA ASSEMBLY (for Roof)

(a) Replace the amplifier antenna assembly (for Roof) with a new or known good one and check if radio broadcasts can be received normally (See page ).

OK:

Radio broadcasts can be received normally.

END

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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