Radio Broadcast Cannot Be Received (Bad Reception)

AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Radio Broadcast cannot be Received (Bad Reception)

Radio Broadcast cannot be Received (Bad Reception)

INSPECTION PROCEDURE

PROCEDURE

1. CHECK WHETHER RAPID TEMPERATURE CHANGE OCCURRED IN CABIN
(a) Check whether the radio auto-search functions properly.
(1) Tune the radio using the auto-search function and check that it operates normally.
OK:
The radio auto-search functions properly.
OK -- END
NG -- Continue to next step.
2. CHECK OPTIONAL COMPONENTS
(a) Check whether any optional components, such as telephone antenna, are installed.
OK:
Optional component(s) installed.
OK -- EFFECT FROM OPTIONAL COMPONENTS
NG -- Continue to next step.
3. CHECK ANTENNA FOR NOISE PRODUCTION
(a) With the ignition switch on (ACC), turn on the radio and select the AM mode.
(b) Place the tip of a screwdriver on the antenna and check that noise is heard from the speaker.
OK:
Noise occurs.
OK -- REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY
NG -- Continue to next step.
4. INSPECT RADIO RECEIVER (ANTENNA)




(a) Remove the antenna plug of the radio receiver.
(b) With the radio receiver connector connected, turn the ignition switch to ACC.
(c) Turn on the radio and select the AM mode.
(d) Place a flat-head screwdriver or piece of metal, such as a thin wire, on the antenna jack of the radio receiver. Check that noise is heard from the speakers.
OK:
Noise occurs.
NG -- REPLACE ANTENNA CORD SUB-ASSEMBLY
OK -- REPLACE RADIO RECEIVER