Either Am Or Fm Does Not Work, Reception Poor (Volume Faint), Few Preset Tuning Bands - Toyota T100 1996 Service Manual

5 Radio
R : Radio S : Radio + Tape Player
P : Radio − Tape Player (Separate Power Amplifier)
Problem with radio wave signals or location?
No
Are both AM and FM defective?
Yes
Go to No.17
If radio side faulty.
Is tape player operating normally?
No
Temporarily install another speaker. Functions OK?
No
P
R
Hissing sound from speaker?
Yes
Radio assembly faulty. Recheck system after repair.
1996 TOYOTA T100 (RM449U)
BODY ELECTRICAL
EITHER AM OR FM DOES NOT WORK, RECEPTION
POOR (VOLUME FAINT), FEW PRESET TUNING BANDS
U : Radio − Tape player (Built−in Power Amplifier)
R S U
S
Radio faulty.
U Radio assembly faulty.
− AUDIO SYSTEM
Yes
Poor signals, poor location.
No
Electronic Tuning
Radio type?
No
Which band is poor?
AM
Adjust antenna trimmer (See page BE−82).
Yes
Radio assembly faulty.
Yes
Speaker faulty.
No
Power amplifier faulty. Recheck system after repair.
BE−67
Yes
Radio or radio
assembly faulty.
FM
Radio faulty.