Question about Toyota Celica

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1995 Toyota Celica wont turn over. I jumped it to the Starter Selenoid and it turns over but now no spark. Is there a safety switch gone bad? Perhaps something to do with gear shifter? It is an automatic. Any advice is appreciated. Thanks, Steve

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  • walkabout120 Apr 26, 2011

    Hi and thanks, I did try to start it in nuetral and no luck. I also pulled the plug to what I believe was the nuetral safety switch located right where the shift lever is on the transmission and jumped it over with a wire hoping if it was the switch this would bypass it. I also changed the main relay no luck (ouch). I have switched the started relay also, no luck. I checked all the fuses and have one that was blown, I put another in and it blew straight away (dont remember what it was assigned to. Half the problem is the car is 120 miles from where I am and so I can only mess with it on the weekends. Any assistance is greatly appreciated. I can probably get the info on the blown fuse but doubt one small fuse could caus all the problems but I guess it is possible.

    Thanks, Steve



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The safety switches prevent power to the fuel system and the starter, not the ignition, so that's not your problem..... I would check the crankshaft position sensor and the fuses in addition to making sure that there are no stored codes in the computer and that it is functioning properly.... Good Luck!

Posted on Mar 28, 2011

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  • walkabout120 Mar 28, 2011

    Thanks, actually I was just thinking that I assumed it had no spark, more likely it lost power to the fuel pump. I should have sprayed some starting fluid down the intake while jumping the selenoid. What safety devices could be malfunctioning that would cause a loss of power to the starter and fuel pump? The pump is fairly new I replaced it a year or so ago.

    Thanks, Steve

  • truffulaseed Mar 28, 2011

    If it's an automatic transmission, then the neutral safety switch, also called the transaxle range selector switch, if it's a manual tranny, then there is an analogous component called the clutch/neutral safety switch. The brake switch is also involved in a lot of vehicles.
    To determine if the fuel system is receiving power and the fuel pump is working, try sitting in the drivers seat and inserting the key and turning it to the 'Run' position...... The fuel pump should turn on for maybe a second or two, then cut off. In most cars you can hear it while in the driver's seat, but if you can't, have someone stand with the fuel filler cap removed and their ear down to the fuel filler hole and try it again. If you don't hear a sound, then the fuel pump is either not receiving power or not working.

  • walkabout120 Mar 28, 2011

    Thanks, I will check the fuel pump it has a easy access plate under the back seat. I am leaning toward the nuetral safety switch. Cant remember if you need to apply the brake to start it, I dont think so since it is a automatic. Where is the nuetral safety switch lacated any idea?

    Thanks again,


  • truffulaseed Mar 28, 2011

    Neutral safety switch is located at the transmission, where the shift linkage enters the housing, it has an electrical connector to it....... You might more easily check for the sake of diagnosis by seeing if the control coil of the starter solenoid receives positive voltage when the tranny is in park and the key is turned to 'crank'...... If it does, then the neutral safety switch and brake safety interlock (if equipped) are fine and the problem lies with the fuel spark or other systems and not with the starter circuit. Good luck

  • walkabout120 Mar 29, 2011

    No power to the starter selenoid when the key is turned.

  • truffulaseed Mar 29, 2011

    Try starting the car with the transmission in neutral; often a bad neutral safety witch will still let you start in neutral, also a lot of times the switch itself isn't what's bad, it's actually that you just need to adjust the shifter linkage, which I will describe if needed............

    I don't know the exact spec for your vehicle, but generally the wiring runs like this ;
    Battery positive terminal -> ignition switch -> neutralsafetyswitch -> brakesafetyswitch(if equipped) -> starter solenoid control coil -> frame ground...........

    If the car starts in neutral, then your NSS or the adjustment of the shifter linkage is the issue. If it doesn't start in neutral, it may still be the issue, and you need to see if battery voltage is supplied to the input side of the NSS. Keep in mind that voltage is only provided while the key is in the 'crank' position.

    I'm here to try and help you figure this out :-)



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