Toyota Celica 2005 Repair Manual page 2290

21 CD Player
Is radio operating normally?
No
Is hiss noise produced by non−functioning speaker?
No
Does continuity exist in speaker wire harness?
Yes
Temporarily install another speaker.
Functions OK?
No
Power amplifier faulty.
Recheck system after repair.
22 CD Player
Is auto search button of radio
operating normally?
No
Check if RADIO fuse is OK.
OK
Is power supplied to BU+ terminal of power amplifier?
Yes
Is power supplied to B terminal of radio receiver?
Yes
Radio assembly faulty.
2005 CELICA (RM1131U)
BODY ELECTRICAL
ANY SPEAKER DOES NOT WORK
CD WILL NOT BE EJECTED
Is power supplied to B terminal
Yes
of CD player?
CD player faulty.
− AUDIO SYSTEM
CD player faulty.
Yes
Radio assembly faulty.
Yes
Recheck system after repair.
Speaker wire harness faulty.
No
Speaker faulty.
Yes
Yes
Replace fuse.
NG
BU+ wire harness faulty.
No
Power amplifier faulty.
No
2289
BE−115
Radio assembly
No
faulty.