Radio Broadcast cannot be Received (Bad Reception)

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Radio Broadcast cannot be Received (Bad Reception)

INSPECTION PROCEDURE

PROCEDURE

1. CHECK IF RADIO AUTO-SEARCH FUNCTIONS PROPERLY
(a) Perform the auto-search of the radio and check that it functions normally.
OK:
Radio auto-search functions normally.

NG -- CHECK OPTIONAL COMPONENTS
OK -- REPLACE RADIO RECEIVER ASSEMBLY
2. CHECK OPTIONAL COMPONENTS
(a) Check if the telephone antenna, and other optional components are installed.
OK:
Optional component(s) installed.

NG -- CHECK ANTENNA FOR NOISE PRODUCTION
OK -- EFFECT FROM OPTIONAL COMPONENTS
3. CHECK ANTENNA FOR NOISE PRODUCTION
(a) With the ignition switch ACC, turn on the radio and choose the AM mode.
(b) Place the tip of a screwdriver on the antenna and check that noise is heard from the speakers.
OK:
Noise is heard.

NG -- CHECK RADIO RECEIVER ASSEMBLY (ANTENNA)
OK -- REPLACE RADIO RECEIVER ASSEMBLY
4. CHECK RADIO RECEIVER ASSEMBLY (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 choose the AM mode.
(d) Place a flat-head screwdriver or a 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 is heard.

NG -- REPLACE RADIO RECEIVER ASSEMBLY
OK -- REPLACE AMPLIFIER ANTENNA ASSEMBLY AND ANTENNA CORD SUB-ASSEMBLY