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Haltech Nexus S2 ECUs with Plug-and-Play Harness for 1990-1997 MIATA - HT-212316
Part Number: HTH-HT-212316
Haltech Nexus S2 ECUs with Plug-and-Play Harness
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Mazda Miata, NA, Kit
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Estimated Ship Date: Dec 21, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
HT-212316
Part Type:
Product Line:
Summit Racing Part Number:
HTH-HT-212316
UPC:
9356450015684
Transmission Controller Included:
Yes
Boost Control:
Yes
Traction Control:
Yes
High Impedence Injectors:
Up to 4
Low Impedence Injectors:
Up to 4
Coils:
Up to 4
Digital Inputs:
6
Analog Inputs:
11
Wideband Controller:
Yes
Wideband Channels:
1
CANBUS Enabled:
Yes
Knock Control:
Yes
Knock Channels:
2
Drive-By-Wire Capable:
Yes
Drive-By-Wire Channels:
2
VVT Control:
Yes
Nitrous Control:
Yes
Launch Control:
Yes
Engine Protection:
Yes
Flex Fuel Compatible:
Yes
Multi-fuel Capable:
Yes
Data Logger:
Yes
Oxygen Sensor Included:
No
Display Included:
No
Handheld Controller Included:
No
Remanufactured:
No
Quantity:
Sold as a kit.
Haltech Nexus S2 ECUs with Plug-and-Play Harness
The Nexus S2 ECU is the successor to the acclaimed Elite 1500, offering a serious upgrade in performance and functionality. With advanced features, user-friendly interface, and seamless connectivity, the S2 redefines the standard for engine management systems in the automotive industry. Haltech offers several ways to connect your S2 ECU.
If you are using a factory harness and are after an easy ECU upgrade, Haltech Nexus S2 ECUs with a plug-and-play adapter harness are excellent choices. They plug directly into the ECU and have a set of factory connectors on the other side which plug straight into the factory harness, allowing you to be up and running in just a few hours. The included quick-start guide will walk you through installation of the adapter harness into your vehicle. Select the Haltech S2 ECU and harness kit designed for your vehicle.
Kits include:
* Nexus S2 ECU
* Injection molded plastic plug-and-play adaptor harness
* M14 x 1.5 air temp sensor with matching plug and pins
* Auxiliary I/O 16-pin Tyco plug and pins
Applications
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Some parts are not legal for use in California or other states with similar laws / regulations
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