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Thread: Very Strange CD70 problem

  1. #1
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    Default Very Strange CD70 problem

    hi all and HNY !!
    the wifes vec has the above mentioned cd70 in her cdti and its suddenly got one strange problem which we need help with if possible...
    get in the car, put it in key and turn on ignition..whilst waiting for glow plugs...and radio etc works fine, then...start the car and radio goes off, as in no sound but display still there for a while. all other displays are fine, ie nav and bc.
    have tried the eeprom reset and still the same. checked every fuse, all ok, diconnected battery and refit...does the same as above...fine until starting the car..so we need help or advice please.......

    cheers

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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013

    Default

    What happens if you turn off the stereo prior to starting the car, then switch it on?

    Have you checked the connections at the rear of the CD70?

  3. #3
    Regular Member Chris SRi's Avatar
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    Try turning the radio setting so it doesn't come on with the ignition and see if it works by manually turning it on when the engine is running.

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    Default

    have tried that method also by turning off igntion logic, still the same and the rear connections are fine. Seems strange that when power is disconnected either by the fuse or battery it will be fine....until the car is started up. Battery is fine and alternator is pushing out about 14.6

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    Default

    do you it think that maybe the display screen is the problem because after a while the preset station thats normally displayed also dissapers as though the radio unit had been turned off just leaving the bc and nav still with a display. stumped!!

  6. #6
    Regular Member Ben50n's Avatar
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    Default

    Does the radio still play and the sat nav still work? Sounds like the screen is going to sleep??

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    radio goes off when engine is started

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    Default

    ok,
    had some spare time today...at last. and removed the radio and stripped it down to just the radio itself...so no cd or nav mechanism inside, just the bare minimum.......................................and its still doing it !!!
    so im thinking now it must be wiring somewhere in the ignition logic or a relay that it all runs through....so im after some more suggestions please........gotta be an electronics blokey on here somewhere....

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    Default

    in reply to this that i missed.....the bc and sat nav still work when the radio goes off.

    .
    Quote Originally Posted by Ben50n View Post
    Does the radio still play and the sat nav still work? Sounds like the screen is going to sleep??

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