Toyota Camry Manual page 447

BE–128
DISPLAY INDICATES WHEN POWER SWITCH TURNED TO
Radio
'ON', BUT NO SOUND (INCLUDING 'NOISE') IS PRODUCED
Check if RADIO fuse is 0K?
Is ACC applied to radio?
Yes
Check if DOME fuse is OK?
Is +B applied to radio?
Yes
Check if GND (wire harness side) to radio is OK?
Is there continuity in speaker wire harness?
Yes
Temporarily install another speaker.
Go to No. 15
BODY ELECTRICAL SYSTEM
If radio side faulty
– AUDIO SYSTEM
Replace fuse.
ACC wire harness faulty.
Replace fuse.
+ B wire harness faulty.
GND faulty.
Speaker wire harness faulty.
Yes
Speaker faulty.
Radio faulty.