Haltech Platinum Pro PNP ECU | 1999-2003 Honda S2000 AP1 Manual (HT-055050)

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Rear Auxiliary Harness
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Platinum Pro Plug N' Play Engine Control Unit by Haltech

This fully progammable plug and play product opens the door to virtually limitless performance modification and tuning of your vehicle. Programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions.

ECU Manager Software is used for setup, calibration, and diagnostics. The software comes loaded on to a CD supplied with this unit. It can also be downloaded from the Haltech website. The Platinum Pro has been programmed with a basemap to suit a Honda S2000 AP1 running a F20C engine using the factory MAP Sensor.

The Rear Auxiliary Harness is an optional accessory available for this ECU. The Rear Auxiliary Harness adds 1 Digital Pulsed Input, 2 Digital Pulsed and Digital Switched Outputs, 4 Analogue Voltage Inputs, 2 +13.8V Sensor Power Outputs, 2 +5V Sensor Power Outputs, and Additional Sensor Power and Signal Grounds.


  • Digital Pulsed Input
  • Digital Pulsed Outputs
  • Digital Switched Outputs
  • Analogue Voltage Inputs
  • +13.8V Sensor Power Outputs
  • +5V Sensor Power Outputs
  • Sensor Power and Signal Grounds
  • Haltech CAN Network Compatible
  • Optional Rear Auxiliary Harness (Adds more of each type of input/output)


  • Gain Control Over Your Engine
  • Improve Engine Performance
  • Optimize Fuel Injection
  • Optimize Ignition Timing

Please Note:

  • This ECU is designed and sold for Racing use only. Using this product for street / road use may be prohibited by law. Please check with your local vehicle authority before using this product.


  • 1999 - 2003 Honda S2000 AP1 Manual

What's In The Box?

  • 1 - Haltech Platinum Pro Plug-In ECU
  • 1 - USB Cable
  • 1 - Software CD
  • 1 - Haltech Sticker
  • All Necessary Hardware
  • Instruction Manual/Quick Start Guide
  • Warranty Information

Installation Instructions


  • Haltech Limited Warranty

Customer Reviews

Based on 1 review
Haltech for s2000

Plug and play at its finest. Even came with a stock tune! So swap out and start the car!