Page text (OCR transcript)
BODY ELECTRICAL SYSTEM — Radio, Stereo Tape Player and Antenna BE-103
(b) Tape player okay but no sound from AM and FM or
either one.
Possible causes:
• Antenna disconnected
• Antenna plug not properly connected
• Defective antenna
• Defective antenna booster
• Defective antenna cable
• Defective radio or tape player
• Blown HAZ-HORN fuse
• Short circuit or broken wire in wire harness for
back-up power source
TEST 1
Is radio electronic search
type? → Yes → Is either AM or FM okay? → Yes → Proceed to Test 2.
↓
No ↓
No
Proceed to Test 3. ←————————————————————————
TEST 2
Check HAZ-HORN fuse → OK → Is there back-up power to connectors
↓ behind radio? → Yes → Proceed to Test 3.
↓ ↓ ↑
↓ No No
↓ Inspect and repair back-up power ↓
Blown wire harness. ↓
↓ ↓
Replace fuse. → OK ——————————————————————————————————→ ⊙ → OK
↓
Blows again
↓
Check for short circuit in back-up
power source wire harness. → OK → Replace radio.
↓
Short
↓
Inspect and repair wire harness
for back-up power source.
NOTE: Back-up power refers to the storage voltage for
preset tuning. This is applied even when the ignition switch
is OFF.