Depends if you're one of the many self centered assholes here who doesn't care about putting crap in the air we all breathe. If you're asking whether the engine will run without it the answer is yes. You'll need to cap the port on the throttle body though...
1) The engine doesn't have a MAF. Volumetric flow meter.
2) They're for the EVAP system. Feeds stored fuel vapor from the charcoal cannister to the throttle body. Emissions stuff.
3) Plastic intake tube?
Well, I'm a technical kind of guy. It's a curse :)
Vork: It's OK...we understand English isn't your native even if you do speak it better than many here. (watch out for that "even if you do" part ;))
Settle down Junior. I wouldn't exactly be trying to strut my stuff with your post history. Anyone reviewing it would laugh so hard you'd think they'd taken the 50 shot...
Iirc the Heater Control panel has two connectors on it, D and E:
http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=147
You'll have to back up a few pages to correlate the signals to the pins. Or does "AC control unit" refer to something else?
As painful as this thread was to read I'll offer a bit of advice: The code 24 has nothing to do with your problem. Not that it shouldn't be fixed but focusing on it is a mistake...
^ I was wondering the same thing.
OP: Those colors don't seem to match up to the schematic but one wire will be ground. Use the ohmmeter on your DMM (you do have one right?) to ID it. Once found switch to voltage and look for 12 volts on one of the remaining two wires with the key on. Connect...
http://www.cygnusx1.net/Supra/TechTips/engine_error_codes.aspx
52 Knock Sensor Signal
Diagnosis
* Open or short circuit in knock sensor signal.
Trouble Area
* Knock sensor circuit
* Knock sensor
:3d_frown:
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