TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical Systems97 / 203
p.098
CASSETTE TAPE INSERTS, BUT NO POWER — MK4 Supra Body Electrical Systems, page 97
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BE-97 BODY ELECTRICAL SYSTEM – AUDIO SYSTEM 10 Tape Player CASSETTE TAPE INSERTS, BUT NO POWER W : w/ Power Amplifier WO : w/o Power Amplifier Is radio operating normally? Yes → Radio assembly faulty. No ↓ Check if RAD No.2 fuse is OK? NG → Replace fuse. ↓ W ↓ Is ACC applied to power amplifier? No → ACC wire harness faulty. Yes ↓ WO ← Is ACC applied to radio assembly? No → WO ACC wire harness faulty W Power amplifier faulty. Yes ↓ Radio assembly faulty. 11 Tape Player POWER COMING IN, BUT TAPE PLAYER NOT OPERATING W : w/ Power Amplifier WO : w/o Power Amplifier Functions OK if different cassette tape Yes → Cassette tape faulty. installed? No ↓ Is radio operating normally? Yes → Radio assembly faulty. No ↓ Is there continuity in speaker wire No → Speaker wire harness faulty. harness? Yes ↓ Temporarily install another speaker Yes → Speaker faulty. Functions OK? No ↓ W WO ↓ Radio assembly faulty. CONTINUED ON NEXT PAGE