Wire routing
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From: Wisconson
Wire routing
Where is a good place to route a wire from the engine compartment to the passenger side foot well? I'm trying to connect my new Knock Sensor to the ECU. Guess I could use an existing wire but I can't find one from the ECU and the knock sensor.
Mine is a 2001 RX300
Mine is a 2001 RX300
Racer
Joined: Oct 2009
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From: nj
What's wrong with the existing knock sensor connector?
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Joined: Jul 2025
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From: Wisconson
I've put a knock sensor ont op of the intake manifold so I need to connect it to the ECU. So far I haven't had any luck locating either of the two wires connecting the existing knock sensors to the ECU. Locating these wires where they connect to the knock sensor harness would be the ideal setup but no luck yet.
Racer
Joined: Oct 2009
Posts: 1,301
Likes: 324
From: nj
I've put a knock sensor ont op of the intake manifold so I need to connect it to the ECU. So far I haven't had any luck locating either of the two wires connecting the existing knock sensors to the ECU. Locating these wires where they connect to the knock sensor harness would be the ideal setup but no luck yet.
That connector leads straight to the ECU. So maybe the easiest thing to do is buy the knock sensor harness, connect your new sensor to it, disconnect the old harness at the connector, and connect the new harness.
This guy did what you are doing. Here's the knock sensor connector:
Last edited by maxSteel; Dec 3, 2025 at 02:52 PM.
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