Rav4 Battery put in backward

10

Asked by Aug 31, 2011 at 08:15 PM about the 1996 Toyota RAV4 4 Door AWD

Question type: Maintenance & Repair

My ex put the battery in wrong on my Rav4 and didn't realize it until the next day...now the car will not start. It cranks but it wont turn over. I have replaced the ignition module, the crank shaft position sensor and I am about to change the computer...but before I did that I wanted to see if there is a way I can test the computer before I get another one...somebody told me to hook the Ecu back up ( I took it out to get the numbers of of it) and turn the car on and see if Tue check engine light comes on...and if it does then the problem is not the Ecuador, but if it doesn't then the ecu is bad...is that a fair way to test it?

2 Answers

10

Oh and one more thing a Guy hooked up something to it and it came back with an ignition circuit fault...

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Any sensor that is impacted by polarity ( that is negative crossed to negative ) is suspect, also check the fuses if they did NOT BLOW OR OPEN then this circuit is suspect! Also take an OBDII scanner check for codes!

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