Mike2JZ Posted December 7, 2014 Share Posted December 7, 2014 Hi, So this weekend I went for a 300 mile trip, didn't have any issues throughout the journey. Upon returning home, I turned off a junction and accelerated quickly through first gear. Immediately afterwards I had the following warning lights show up together at the same time. (excuse the terrible photos, also ignore the open door warning, had the door open whilst taking the photos) First thing I did was check the oil level, and I noticed it was quite low, so I put in about 2 liters of new oil today. However, the oil level warning light stays on, even though the dipstick shows the level is now good. Next I checked the rear lights, and all the bulbs were fine and working as intended, so not sure why I'm getting the rear light bulb warning. I'm not sure how to test for the other warning errors with the battery, and what I guess is a transmission warning? The car still drives fine, there aren't any other symptoms that I can tell aside from the warning lights, which seems a little odd. I've taken off the dash and checked all the cables are connected + grounded properly, before putting everything back in and still getting the warning lights. Anyone got any advice on what I can do next? Quote Link to comment Share on other sites More sharing options...
TheTurtleshead Posted December 7, 2014 Share Posted December 7, 2014 Check your alternator is charging. Quote Link to comment Share on other sites More sharing options...
Tyson Posted December 7, 2014 Share Posted December 7, 2014 Check your alternator is charging. My first thought. Quote Link to comment Share on other sites More sharing options...
Scooter Posted December 7, 2014 Share Posted December 7, 2014 And check you haven't overfilled your oil. 2L's is a lot and you may have over reacted to the warning light and a dip stick reading when not all your oil gas drained down. Quote Link to comment Share on other sites More sharing options...
Guest Budz86 Posted December 7, 2014 Share Posted December 7, 2014 Check your alternator is charging. This. Mine did the same and it was a bad earth off the unit And check you haven't overfilled your oil. 2L's is a lot and you may have over reacted to the warning light and a dip stick reading when not all your oil gas drained down. Supra's can take almost 9L and still be driven hard without problems! 1st hand experience! Lol. It was only at 9L it started to leak from the top of the sump..... Quote Link to comment Share on other sites More sharing options...
Mike2JZ Posted December 7, 2014 Author Share Posted December 7, 2014 So I tested the alternator by checking voltages on the battery and got the following: Car off, just battery: 12.4v Car on: 12.2v Car on, with headlight: 11.9v Car on with heater + headlight: 11.5 Guess that confirms your alternator concerns? Quote Link to comment Share on other sites More sharing options...
Ric Posted December 7, 2014 Share Posted December 7, 2014 Yes, with car running the battery should be seeing 14v+ Quote Link to comment Share on other sites More sharing options...
Mike2JZ Posted December 7, 2014 Author Share Posted December 7, 2014 Where the cheapest place to pick up a new one? Quote Link to comment Share on other sites More sharing options...
Guest FullAttack Posted December 7, 2014 Share Posted December 7, 2014 Before buying a new one.. Check the Alt signal fuse in the fuse box.. And maybe buy a new reg pack and try that before buying a whole alternator:) Quote Link to comment Share on other sites More sharing options...
martincoupe Posted December 8, 2014 Share Posted December 8, 2014 its your alternator mate Quote Link to comment Share on other sites More sharing options...
Mike2JZ Posted December 8, 2014 Author Share Posted December 8, 2014 As a reference for others, the above problem went away with the installation of a new alternator as suggested by others. Case Closed! Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted December 8, 2014 Share Posted December 8, 2014 And thanks for the assistance? Quote Link to comment Share on other sites More sharing options...
Mike2JZ Posted December 8, 2014 Author Share Posted December 8, 2014 And thanks for the assistance? Of course! Quote Link to comment Share on other sites More sharing options...
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