Toyota Camry owners & service manuals

Toyota Camry (XV70): Radio Broadcast cannot be Received or Poor Reception

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Click here

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

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

B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

A

2.

CHECK OPTIONAL COMPONENTS

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

B

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

A

3.

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 engine 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.

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

OK

4.

CHECK WINDOW GLASS ANTENNA WIRE

(a) Check for continuity in the window glass antenna wire.

NOTICE:

When cleaning the glass, wipe it in the direction of the wire with a soft dry cloth. Take care not to damage the wire. Do not use detergents or glass cleaners with abrasive ingredients. When measuring resistance, wrap a piece of tin foil around the tip of each probe and press the foil against the wire with your finger, as shown in the illustration.

HINT:

Check for continuity at the center of each antenna wire as shown in the illustration.

OK:

There is continuity in the window glass antenna wire.

*a

Tester Probe

*b

Antenna Wire

*c

Tin Foil

NG

REPAIR WINDOW GLASS ANTENNA WIRE

OK

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

Engine switch on (ACC)

Radio switch on and FM or AM selected

11 to 14 V

*a

Component without harness connected

(Radio and Display Receiver Assembly)

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

OK

6.

REPLACE ANTENNA CORD SUB-ASSEMBLY (for Front Side)

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

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

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.

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

8.

REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY

(a) Replace the No. 1 amplifier antenna assembly with a new or known good one and check if radio broadcasts can be received normally.

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

9.

REPLACE ANTENNA CORD SUB-ASSEMBLY (for Rear Side)

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

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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