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Camshaft Sensor Wiring Help!

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Old Feb 14, 2023 | 10:20 AM
  #1  
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Default Camshaft Sensor Wiring (2009 Is250)

I know this has been brought up before but I need help with my Camshaft Position sensor (B) on bank 2. I have a 2009 is250 and the wires for this sensor’s plug got ripped out of the plug while I was working on the car. If anyone has an 09 is250 I would greatly appreciate a picture of the plug so I can rewire it. It seems every year IS has different colored wires so I specifically need another 09. Any help would be greatly appreciated.

Last edited by 400kis; Feb 23, 2023 at 09:32 AM.
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Old Feb 20, 2023 | 05:45 PM
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Originally Posted by 400kis
I know this has been brought up before but I need help with my Camshaft Position sensor (B) on bank 2. I have a 2009 is250 and the wires for this sensor’s plug got ripped out of the plug while I was working on the car. If anyone has an 09 is250 I would greatly appreciate a picture of the plug so I can rewire it. It seems every year IS has different colored wires so I specifically need another 09. Any help would be greatly appreciated.
I haven't looked so I don't know the answer but there are three other 3 wire sensors on that engine. Two of the wires are ground and two are12 volts. The third wire is data. 99% chance all sensors are wired in the same pattern on those connectors.

What color are they? You have 3 connectors to look at. And if all three are do not match, unplug one and use a a DMM set to ohms, find which lead goes to ground, take note of its position in the connector. Set meter to volts. Turn ignition on, see what wire position has +12v. What color are those wires and do two of the positions match the color of your depinned connector?

Now test the pulled wires from the depinned connector for +12v and ground. By definition you have the order and position to recover. I say this as so few people read the performance section.

If you don't have a meter use a small low wattage light bulb, which is a good reason to own a 12v test lamp. To do this, get either a test lamp or a bulb and wires. Verify it lights. Turn ignition on and probe you connector for +12v with the other side of the bulb going to ground.

GL and maybe post up the wire position and color as this seems to be happening a lot lately!

Last edited by 2013FSport; Feb 20, 2023 at 06:25 PM. Reason: Clarity
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Old Feb 22, 2023 | 04:38 AM
  #3  
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400kis
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Originally Posted by 2013FSport
I haven't looked so I don't know the answer but there are three other 3 wire sensors on that engine. Two of the wires are ground and two are12 volts. The third wire is data. 99% chance all sensors are wired in the same pattern on those connectors.

What color are they? You have 3 connectors to look at. And if all three are do not match, unplug one and use a a DMM set to ohms, find which lead goes to ground, take note of its position in the connector. Set meter to volts. Turn ignition on, see what wire position has +12v. What color are those wires and do two of the positions match the color of your depinned connector?

Now test the pulled wires from the depinned connector for +12v and ground. By definition you have the order and position to recover. I say this as so few people read the performance section.

If you don't have a meter use a small low wattage light bulb, which is a good reason to own a 12v test lamp. To do this, get either a test lamp or a bulb and wires. Verify it lights. Turn ignition on and probe you connector for +12v with the other side of the bulb going to ground.

GL and maybe post up the wire position and color as this seems to be happening a lot lately!
Thank you for the very helpful response, I ended up getting the sensor wired up correctly and now everything is running great again . I’ll post the position of the wires later today. Thanks again.
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Old Feb 22, 2023 | 11:12 AM
  #4  
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400kis
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Default 2009 Is250 Camshaft position sensors

Here’s a picture of all the camshaft position sensors since this issue has been a reoccurring one.

Camshaft Position Sensor B (Bank 2)

I don't know the pin numbering but going from left to right from this POV the wires are Green, Black, White.

Camshaft Position Sensor A (Bank 2)


Camshaft Position Sensor A (Bank1)


Camshaft Position Sensor B (Bank 1)
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