Toyota Celica 2005 Repair Manual page 2284

9 Tape Player
Is there any foreign objects inside tape player?
No
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
Check if GND (wire harness side) of power amplifier
grounded normally.
OK
Is power supplied to BU+ terminal of radio assembly?
Yes
Check if GND (wire harness side) of radio assembly
grounded normally.
OK
Radio assembly faulty.
10 Tape Player
Is radio operating normal?
No
Check if ECU−ACC fuse is OK.
OK
Is power supplied to ACC terminal of power amplifier?
Yes
Check if RAD fuse is OK.
OK
Is power supplied to +B terminal of radio assembly?
Yes
Is power supplied to ACC terminal of radio assembly?
Yes
Radio assembly faulty.
2005 CELICA (RM1131U)
BODY ELECTRICAL
CASSETTE TAPE CANNOT BE INSERTED
CASSETTE TAPE INSERTED, BUT NO POWER
− AUDIO SYSTEM
Remove foreign objects.
Yes
Radio assembly faulty.
Yes
Replace fuse.
NG
BU+ wire harness faulty.
No
GND faulty.
NG
Power amplifier faulty.
No
Power amplifier faulty.
NG
Radio assembly faulty.
Yes
Replace fuse.
NG
ACC wire harness faulty.
No
Replace fuse.
NG
+B wire harness faulty.
No
Power amplifier faulty.
No
2283
BE−109