Toyota PT546-00140, Руководство по устранению неисправностей

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4 RADIO Power coming in, but radio not operating.
Is CD player operating normally?
Is there continuity in speaker wire harness?
Temporarily install another speaker.
Is the function OK?
Head unit faulty.
5
RADIO Either AM or FM does not work, reception poor (volume faint),
few preset tuning bands.
Problem with radio wave signals or location?
Are both AM and FM defective?
Head unit faulty.
Speaker wire harness faulty.
Speaker faulty.
Poor signals, poor location.
Head unit faulty.
Go to No.2
Yes
Yes
No
No
No
Yes
Yes
No
No
Yes
Check antenna installation to vehicle.
Check antenna connection to head-unit.
Yes
Yes
No
Please install a antenna
to vehicle.
Please connect a antenna
to head-unit.
No