OBD wiring diagram needed?

2012 TOYOTA TACOMA

17,054,500 MILES • 4.0L • V6 • 4WD • AUTOMATIC

DANIEL CISNEROS

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2 POSTS
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I'm missing almost all the wires in my OBD port. I could sure use a wire diagram so I could fix it the person that owned the truck before me installed a car alarm and used some of the wires from the OBD port.

Aug 23, 2024 at 5:45 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.

DANIEL CISNEROS

MEMBER
2 POSTS

Where would I get the wire diagrams for this?

Aug 23, 2024 at 7:07 PM (Merged)

CARADIODOC

AUTOMOTIVE REPAIR CONTRIBUTOR
34,308 POSTS

Here's the connector view and part of the Powertrain Management diagrams. Some of the connector terminals are standardized, and some are left to each manufacturer's discretion. There will be a number of unused terminals.

Images (Click to enlarge)

Aug 23, 2024 at 8:12 PM