I HAVE A 2006 GS 300 I JUST HAD MY ALTERNATOR REPLACED AND AND MY BATTERY IS GOOD. THE ONLY PROBLEM THAT I AM HAVING IS THE CAR WILL NOT START THE HEADLIGHTS COME ON THE RADIO COMES ON THE INTERIOR LIGHTS COME ON. I REPLACED MY BATTERY IN MY KEY FOB.. THE MOTOR FAN COMES ON.THE STEERING WHEELS TILTS... BUT THE LIGHTS ON THE DASH DO NOT COME ON WHEN IN ACCESSORY MODE.....AND THE CAR WILL NOT START SO I AM GETTING AGGRAVATED WITH THIS CAR CAN ANYONE TELL ME WHAT THE ISSUE COULD BE... COULD IT BE A SECURITY FEATURE.. sorry for grammatical errors im really mad as i type type also above the screen where it shows the outside temperature it only shows the letter E .. i hever never seen that before

 

Does it turn over at all or anything? If not, it could be a bad ignition switch. Maybe snap a video and post it up.

 

nope its not doing anything when i press the button the first time i hear the starter relay under the hood and also the fuel pump.. but it will not turn over. its not even trying to crank

 

It honestly sounds like a weak battery. When was the last time you had it tested? Maybe try hooking it up to another car and jump it to see?

 

check the main fusible links by the passenger firewall they dont look like the regular ones. Seems this has been a common issue of blowing after battery or alternator replacement. Do you see the green light turn on at the push switch when you have the key near and foot on the brake

 

the push to start button is red

 

I think i would check if the main starter cable is loose or not been fitted

 

Weak battery or maybe the key fob is not registering to the car. Are you able to lock and unlock the doors.

Try starting the car with the key fob nearly/touching pushing on the starter button when you start the car. If the car start know theres an issue with the key fob.

 

Might be too simple, but try closing the doors, arming the factory security system by locking the doors via key fob, unlocking, get back in and try starting it.

Took mine for alignment this weekend and it wouldn't start, armed/disarmed the alarm, and it cranked right up.

 

If it were something security related I'd imagine it may start if you used the actual physical key blade in the fob?

 

Did you removed battery when replacing alternator? Check for any blown fuse.

 

So please tell us, What turned out to be the problem as this seems to be a recurring post.

 

Please advise what the fix was??

 

Checked all related fuse(s)?