The Haltech NEXUS S3 ECU, part number HT-213000, is a high-performance engine control unit designed for automotive enthusiasts and professional tuners seeking precise engine management. This standalone ECU provides advanced features for optimizing engine performance, making it ideal for custom builds and race applications. Its compact design ensures easy installation without compromising functionality, offering a seamless upgrade to your vehicle's existing systems. The NEXUS S3 is built to deliver reliable and responsive control, enhancing power output and fuel efficiency while maintaining drivability across various conditions.

Built with cutting-edge technology, the Haltech NEXUS S3 supports a wide range of tuning options and sensor integrations. It features user-friendly software for mapping and diagnostics, enabling detailed adjustments to fuel injection, ignition timing, boost control, and more. The device is engineered for durability and consistent performance, ensuring your vehicle operates at peak efficiency during demanding sessions. Whether you are upgrading for motorsport or street performance, this ECU provides the flexibility and control you need.

Note that the Haltech NEXUS S3 ECU is not CARB-approved and requires CARB acknowledgment for certain applications, making it suitable for off-road or race use where emissions compliance is not mandated. It is a versatile component that adheres to EPA regulations conditionally, depending on your specific setup. With its straightforward installation process and comprehensive tuning capabilities, the Haltech NEXUS S3 is an essential component for serious automotive tuning projects. Durable and reliable, it delivers performance enhancements while ensuring compliance with relevant regulations where applicable.

Overview:

• 8 x peak/hold injector drivers (can be used as low-side drive outputs)
• 8 x low current ignition outputs (can be used as low side drive outputs)
• 6 x low side drive outputs, PWM capable (DPOs)
• 4 x push-pull / half bridge outputs (8A, PWM capable), eg for electronic throttle
• 1 x ECR output
• 11 x 0-5V analog inputs with redundancy for electronic throttle and switchable 5V pullup
• Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters
• 6 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs
• 1 x on-board wideband controller, supporting NTK and LSU4.9
• 1 x on-board 4 bar MAP sensor
• 2 x CAN ports with switchable termination
• Onboard data logging - Up to 300 channels of logging at sample rates up to 1ms (1kHz) with 128MB of internal memory