Toyota Venza: Radio Broadcast cannot be Received or Poor Reception

PROCEDURE

(a) Check the radio automatic station search function.

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

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

A

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

NOTICE:

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

B

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

A

(a) Preparation for check

(1) Remove the roof antenna pole sub-assembly (See page ).

(b) Check for noise

(1) Turn the ignition switch to ACC with the navigation 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 satellite radio antenna assembly threaded installation portion for 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 No. 1 amplifier antenna assembly threaded installation portion for the roof antenna pole sub-assembly and check that noise can be heard from the speakers (w/o SDARS System).

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

A

(a) Preparation for check (1) Remove the antenna connector from the navigation receiver assembly.

(b) Check for noise

(1) Turn the ignition switch to ACC with the navigation 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 navigation receiver assembly antenna jack and check that noise can be heard from the speakers.

OK:

Noise can be heard from the speakers.

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

OK

(a) Disconnect the RA navigation 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 AM or FM selected 8.0 V or higher Text in Illustration *a Component without harness connected (Navigation Receiver Assembly)

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

OK

(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.

OK

END

NG

(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.

OK

END

NG

(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.

OK

END

NG

(a) Replace that the roof antenna pole 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.

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

A

CHECK AND REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY

C

GO TO STEP 11

B

(a) Replace the No. 1 amplifier 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.

OK

END

NG

REPLACE NAVIGATION RECEIVER 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.

OK

END

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY