Radio Broadcast Cannot Be Received (Bad Reception)

AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM (for Regular Cab and Double Cab): Radio Broadcast cannot be Received (Bad Reception)

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.

Result:





C -- REPLACE RADIO RECEIVER
B -- REPLACE RADIO RECEIVER
A -- Continue to next step.
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.

Result:





C -- REPLACE RADIO RECEIVER
B -- REPLACE RADIO RECEIVER
A -- Continue to next step.
4. CHECK RADIO RECEIVER (ANTENNA)




(a) Remove the antenna plug of the radio receiver.
(b) With the radio receiver connector connected, turn the ignition switch 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.

Result:





C -- REPLACE RADIO RECEIVER
B -- REPLACE RADIO RECEIVER
A -- REPLACE ANTENNA ASSEMBLY AND ANTENNA CORD SUB-ASSEMBLY