TSRM/MK3 Supra/Repair Manual
Repair ManualWiring DiagramsCommunity Fixes
p.102

BE/Body Electrical System — Description of Symbols, page 103

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p.104
Description of Symbols — MK3 Supra Body Electrical System, page 103
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Page text (OCR transcript)
DESCRIPTION OF SYMBOLS

[Rectangle symbol] ..... Inspection
[Oval symbol] ..... Check or replace part
[Circle symbol] ..... Test by operating radio

1. DEAD RADIO AND TAPE PLAYER
(a) No power to radio or tape player, or power but no sound.

Possible causes:
• Blown DOME fuse
• Short circuit or broken wire in power source wire harness
• Loose connectors behind radio and tape player
• Loose speaker connector
• Defective speaker
• Broken wire in speaker wire harness
• Improperly installed radio or tape player
• Defective radio or tape player

TEST 1

Check DOME fuse. → OK → Proceed to Test 2.
↓ Blown ↓ No
Replace fuse. → Does not blow → [Circle symbol] → OK
↓ Blows again
Check for short circuit in power source wire harness. → No short → Replace radio and tape player.
↓ Short
Inspect and repair wire harness for radio and tape player.