Have Toyota Questions? Ask a Mechanic for Answers ASAP
Hi Im David. thanks for visiting the site. when you say locking system, what are you talking about?
ok. so, im still not understanding. the vehicle will only start in park or neutral(normal). the steering wheel locked(normal) and the theft deterrent relaxed with good key in ignition.(normal). so what is the problem?
are you saying sometimes it wont start? if so as long as the above conditions are met, then it has nothing to do with any of that, unless when you crank the vehicle the security light isnt going out
ok. do you have a multi meter?
starter overheating, but thats a guess. without a meter i cant be sure. they would have to see the voltage drop on the battery when cranking the engine. another possibility is the crank positon sensor overheating the nworks when cooled down
theres the starter relay that could stick, the solenoid on the starter could stick.....
i will send you a diagram.
that is the diagram of the underhood fuse panel
ok hang on
save it to your computer and open it in another program
the relay is the middle relay on the bottom row of relays
I dont know if its going to be the problem or not, but you not having a meter leaves me with very little abilty to find out whats going on. i never just throw parts at cars hoping for a fix. not my style. if you obtain a multi meter and check some voltages and resistances then we can find out whats going on.
actually the solenoid is attached to the starter. it comes as an assembly.
thats always possible, but man i hate you throwing parts at it, but i know your situation. hang on ill send you a pic
The Crankshaft Position Sensor (CKP) is mounted to the transmission bellhousing at the left/rear side of the engine block. Engine speed and crankshaft position are provided through the crankshaft position sensor. The sensor generates pulses that are the input sent to the powertrain control module (PCM). The PCM interprets the sensor input to determine the crankshaft position. The PCM then uses this position, along with other inputs, to determine injector sequence and ignition timing. The sensor is a Hall effect device combined with an internal magnet. It is also sensitive to steel within a certain distance from it.
On 4.0L 6-cylinder engines, the flywheel/drive plate has 3 sets of four notches at its outer edge. The notches cause a pulse to be generated when they pass under the sensor. The pulses are the input to the PCM. For each engine revolution there are 3 sets of four pulses generated.
The trailing edge of the fourth notch, which causes the pulse, is four degrees before top dead center (TDC) of the corresponding piston. The engine will not operate if the PCM does not receive a crankshaft position sensor input.
yes it would. if you had a meter we could check the resistance of the sensor
ok, keep me updated
do you still need assistance?
ok. Keith well if you were satisfied with my assistance , please accept the answer and leave a 5 star rating for me. i will keep this open after you rate me just in case it happens again. thanks and enjoy your vacation.