2001 Sienna tach wire

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Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=72684
Printed Date: May 12, 2025 at 10:42 AM

Topic: 2001 Sienna tach wire

Posted By: sienna
Subject: 2001 Sienna tach wire
Date Posted: February 12, 2006 at 11:20 AM

Colour and/or pin number of ECM tach wire for a 2001 Toyota Sienna.

Replies:

Posted By: Velocity Motors
Date Posted: February 12, 2006 at 11:27 AM

VIOLET/RED at pin 27 of the 28 pin connector at the ECM

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

Posted By: sienna
Date Posted: February 13, 2006 at 8:59 AM

I have a LIGHT GREEN/ BLACK wire at pin 27 of the 28 pin connector. There's 15VAC on this wire. I know that VIOLET/RED on pin 27 is correct for a 2000 Sienna but not the same on 2001's. It could be different because Toyota changed to VVT-i on the 2001-2003 models. Do you know what the TACH wire is on the 2002's? Thanks.

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