IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Need help identifying part and what it's purpose is.

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Old 10-28-17, 05:37 AM
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stamp2k1
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Default Need help identifying part and what it's purpose is.

This is for a 2006 IS250 rwd. I was changing the spark plugs and coils and pulled the wires out of one of the plugs. I was able to get them back in but I'm not sure if i have the wires inserted correctly. I'm pretty sure the green wire is where its supposed to be, but I'm not sure about the black and white wires. I have taken two pics. One from a distance pointing to the area of the plug and a close up of the plug that shows the wiring configuration. Does anyone know what this part is and what purpose it serves. Also, what is the correct wiring position? The "Check Engine VSC" light came on and I replaced the fuel cap at first. That didn't help. Coil #3 started misfiring so I decided to change the plugs and coils. I've double checked to make sure I have everything plugged back in and yet the "VSC light is still on. I'm wondering if that plug has anything to do with the "VSC" light being on. Hopefully someone here might have some insight to the part in question.


Thanks in Advance for any input.






Old 10-30-17, 10:42 AM
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Gville350
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Anyone with a 2006 RWD IS250 please confirm what the wire color sequence is for the OP here? I have an IS350, and my colors are blue, red, green. So this not help to the OP with a black, white, and possibly a green wire here.
Old 10-30-17, 05:21 PM
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2013FSport
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Same boat, no help also a 350. It looks like a position sensor and because its higher up I'll speculate Bank 2 intake camshaft.

That said it likely has a match on bank 1 whereby two of the colors and positions match. Meaning one is ground, one is +12v power, and one is the output from the sensor it will be in the same position as B2 but a different color.
All speculation but worth a peak at the other side.
Old 10-30-17, 06:59 PM
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whitebeast
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same here, IS350 AS WELL. i will check on customer car tomorrow for wiring plug configuration
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