AUDIO AND VISUAL SYSTEM(w/o Multi-display) Radio Broadcast cannot be Received (Bad Reception)
| DTC Code | DTC Name |
|---|---|
| Radio Broadcast cannot be Received (Bad Reception) |
PROCEDURE
CHECK RADIO RECEIVER ASSEMBLY
Check the radio automatic station search function.
Check the radio automatic station search function by activating it.
OK
The radio automatic station search function works properly.
Result
Result
OK
NG
CHECK OPTIONAL COMPONENTS
Check for optional components (sunshade film, telephone antenna, etc.).
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.
Note:Do not remove any optional components installed by the customer without his or her consent.
Result
Result
OK
NG
OK REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)
CHECK RADIO RECEIVER ASSEMBLY
-
Remove the antenna connector from the radio receiver assembly.
Turn the engine switch on (ACC) with the radio receiver assembly connector connected.
Turn the radio on and tune into AM mode.
Place a screwdriver, thin wire or other metal object on the radio receiver antenna jack and check that noise can be heard from the speaker.
OK
Noise occurs.
Result
Result
OK
NG
-
CHECK GLASS ANTENNA
-
*a
Tester Probe
*b
Antenna Wire
*c
Tin Foil
Check for continuity of the antenna.
Tip:Check for continuity at the center of each antenna wire as shown in the illustration.
Note: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 the probe and press the foil against the wire with your finger, as shown in the illustration.
OK
There is continuity in the antenna.
Result
Result
OK
NG
NG REPAIR GLASS ANTENNA
-
CHECK RADIO RECEIVER ASSEMBLY
-
*a
Component without harness connected
(Radio Receiver Assembly)
Disconnect the RA radio receiver assembly connector.
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Switch Condition
Specified Condition
RA-5 (ANT+) - Body ground
Engine switch on (IG), radio switch on
11 to 14 V
Result
Result
OK
NG
-
CHECK ANTENNA CORD SUB-ASSEMBLY
Remove the antenna connector of the radio receiver and antenna.
Measure the resistance between the antenna and radio receiver to check for an open circuit in the antenna cord.
Standard resistance
Below 1 Ω
Measure the resistance between the antenna cord and body ground to check for a short circuit in the antenna cord.
Standard resistance
10 kΩ or higher
Result
Result
OK
NG
NG REPLACE ANTENNA CORD SUB-ASSEMBLY
REPLACE HOLDER ANTENNA ASSEMBLY
Replace the holder antenna assembly and check if radio broadcasts can be received normally.
OK
Radio broadcasts can be received.
Result
Result
OK
NG
OK NORMAL OPERATION