Question about 1997 Jeep Grand Cherokee

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1997 Grand Jeep Cherokee Limited 5.2 V8: Probleem: De computer doet het niet, geeft zwart beeld. Kan je de computer aan en uit zetten? Is er een zekering kapot? Alvast bedankt.

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Turn the key on three times with out hitting the starter and leave it on the last time the dash display will tel you the codes and you canget an idea of what's wrong. sorry I only read and write English ( american) so I can only guess this is that you want. Good luck!

Posted on Sep 16, 2010

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  • alexluijmes Sep 16, 2010

    Hello daylongdrive,

    thanks already! What I mean is: I did a testdrive today, but the computer doesn't work. Is it a fuse or can you turn the computer on/off?

    Thank you, Alex.

  • John P Schwantes Jr Sep 16, 2010

    If the computer wasn't working the car won't run even start even unlock the doors even crank( the security system is in the computer)

  • alexluijmes Sep 16, 2010

    Thanks again! I was not clear about the problem. The computer seems to work only the display ain't working.

  • John P Schwantes Jr Sep 17, 2010

    The display works on the body control computer. Sometimes the display it's self stops working. Remove the cable from it and reinstall it several times. Do this with the battery disconnected. This action will also reset the tuning memery in the engine computer so the ECM will have to relearn the idel. To do this after the battery is unhooked and the key is off and youv'e replugged as much stuff in the dash as you care to go digging for. With the key out the windows open and all the doors closed reconnect the battery and unlock the drivers door twice with the key then get in and start the jeep nornally with one exception. Lightly push on the gas and then start it, Hold the gas at over 1000 RPM for over two minutes, ( Iknow that it sounds like a long time but the engine has to go into closed loop without ideling ) While your waiting turn on everything you can think of. The air conditioner and the fan on high the lights on the brake on everything on, when you get ready for it to idel on it's own put the car in gear and slowly let off the gas, It may go too slow for just a second or two then it'll idel back up. Oncew it does this, you can put it back in park and start turning things back off this ( reset ) may also fix other things you did'nt know were bad. Let's hope your car is a good one and it goes though this with out upturning some other problem you did'nt know you had, Hopefully you reconnected enough stuff to get the display working. The displays fail if you soak em in water and hook up the battery backwards and jump start things that are really dead. And other electrical shocks. You might get lucky and find a used one in the junkyard or if you just want it off I'd try taping it over with black tape as this is a computer too and it's in the bus with the others and it has to work to keep the circle of computers happy. Good Luck and have fun.



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