Page text (OCR transcript)
BE–99
BODY ELECTRICAL SYSTEM – AUDIO SYSTEM
13 Tape Player WOOFER SPEAKER DOES NOT WORK
w/ Power Amplifier
Check if RAD No. 2 fuse is OK?
No → Replace fuse.
Yes
Is radio operating normally?
Yes → Radio receiver assembly faulty.
No
Check if GND to power amplifier is OK.
No → GND faulty.
Yes
Is +B applied to power amplifier?
No → +B wire harness faulty.
Yes
Is AMP applied to power amplifier?
No → Check the radio receiver assembly.
Yes
Is there continuity in wire harness?
(Radio receiver to power amplifier)
No → Wire harness faulty.
Yes
Temporarily install another woofer speaker.
Functions OK?
Yes → Woofer speaker faulty.
No
Is there continuity in speaker wire harness?
No → Speaker wire harness faulty.
Yes
Temporarily install another power amplifier.
Functions OK?
No → Radio receiver assembly faulty.
Yes
Power amplifier faulty.
