Question about 2002 Toyota Corolla
Hi All I have a similar problem with the radio etc My problem is that I turn on and can hear the cd playing very very quietly and the radio or screen won't turn on, I have followed Kevin Williams solutions but when I get down to the pc boards mine seems to be a different model. Any help with this one please? Tom
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Posted on Jan 02, 2017
I've now fixed two of these units and they both had identical problem and solution.
The problem was an intermitant fault, that after a random time, would result in a noticable snap and a failure of the sound system both radio and cd player.
Solution:- In both cases this is diy fixable with just some screwdrivers and a soldering iron.
First remove unit; this is done by unsnapping the two trims that house the face air vents this then exposes the fixing screws 2 at the rear 2 at the front, remove screws then theclimate control facia ,this allows the unit to come out far enough to unplug all connections both to the hazards ect and the radio unit.
Once out, remove the radio lid and the facia housing the controls, this just snaps out of retainers that you systematically release with a screwdriver. remove side supports marked L & R then this exposes a number of screws to remove including a small side panel that allows you to unplug the cd interface. Note ; it is not necassary to remove the cd player from facia plate. remove two screws exposed by removing control panel then remove ribbon from socket that supports lcd screen. This should then allow you to gently ease the radio unit clear of the facia plate and cd. Once clear remove all screws retaining back plate and pcb and lift pcb clear of case. Now viwed from the top and front you will see a heat sink that supports 4 big transisters , re-solder all legs of these transisters (3 legs each) this has cured the problem twice for me now. Assembly is reverse of reassembly plug in and check out those sounds,
Posted on Mar 10, 2012
have you had any speakers or bass boosters installed in your car that werent in the vehicle before you purchased. Watch for wiring issues or possibly even battery voltage issues.
Posted on Jul 06, 2012
With headlights on, try to start the car.
While engaging the starter: Do the lights dim? Do you hear anything? If so, what do you hear?
Posted on Mar 30, 2013
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