Hondata - K-Pro S2000
Hondata - K-Pro S2000
Category: ECU Modification & EMS
FOR OFF ROAD USE ONLY
This is a specially adapted ECU which allows the 2000-2005 S2000 to run from an RSX ECU. The engine crank and cam sensors must be changed to equivalent 2006-2007 parts - see below. The S2000 K-Pro includes a new or user-supplied RSX (PRB) ECU adapted for the S2000 and a wiring harness for the crank and cam sensors. It does not include the Honda parts - see mechanical modifications below. All user-supplied ECUs must be PRB A01-A12 and in perfect working order. We will not use any other ECUs for the S2000. W
arning Not legal for sale or use in California on any pollution controlled motor vehicles. See http://www.semasan.com/emissions for state by state emissions requirements. Features Factory reliability for your S2000. Easy starting. Dash water temperature display functions normally. All the features of the K-Pro: Injector re-calibration. Fully-mapped boost tables. Nitrous control. Datalogging. Boost control. And more... See the K-Pro page for more information. Mechanical modifications The following items must be replaced before the S2000 K-Pro can be used. These parts are not supplied by Hondata and should be purchased from a Honda dealer.
Crank sensor 37500-PZX-003 Crank wheel 13622-PCX-013 TDC sensor 37510-PZX-003 TDC wheel 14112-PCX-003 Valve cover 12310-PCX-020 Drain plug washer (for PCV valve) 94109-14000 PCV valve 17130-PCX-003 IAT sensor 37880-P05-A00 (not required, but stock IAT will read about 30 degrees hotter) The approximate cost of these parts is $300-375. Swapping the parts is relatively straight forward. Refer to the Helm manual for more information, but in brief you will need to: Remove the accessory belt. Remove the water pump pulley. Remove the crank pulley. Remove the front timing cover. Remove and replace the crank timing wheel. Remove and replace the crank sensor in the timing cover, and reinstall the timing cover. Remove old wiring to crank sensor.
Install wiring harness from crank sensor to ECU. Reinstall water pump pulley and accessory belt. Remove the valve cover. Remove and replace the TDC sensor wheel (exhaust cam). Install the new TDC sensor and PCV valve in the new timing cover, and install the new valve cover. Remove S2000 ECU. Install the wiring harness through the firewall underneath the clutch master cylinder. If you have cut the wiring rubber boot, seal it with silicone sealer. Install the RSX ECU. Notes Immobilizer. The S2000 immobilizer is not supported. Water Temperature. The S2000 dash water temperature display functions as per normal. For an AP1 the second segment normally lights at 145 degrees F, and the third at 165 degrees F.
Air Conditioning. In KManager you will need to select 'Use alternate AC switch input'. No wiring changes need to be made. Idle up and enrichment is as per the stock ECU. Closed loop. The RSX ECU will run in closed loop using the S2000 primary oxygen sensor. Due to the RSX ECU normally using a wide band oxygen sensor, in KManager you use select 'Use Secondary Oxygen Sensor for Primary' (don't panic - the ECU is actually running off the S2000 primary oxygen sensor, which has been routed through the RSX ECU as the secondary oxygen sensor).
Using a wideband RSX oxygen sensor is not recommended because the oxygen sensor is expensive (as much as an aftermarket wideband) and substantial re-wiring is required. The ECU can datalog aftermarket wideband controller which output a analog voltage (via the ELD input). KManager Configuration. The following parameters should be used in KManager: Use only PRA ECU calibrations (PRA ECUs are the only ECUs which support a narrowband primary oxygen sensor). Disable the immobilizer. Disable VTC. Disable the multiplexer. Select 'Use alternate AC switch input'. Select 'Use Secondary Oxygen Sensor for Primary'. OBDII Scan tools. OBDII scan tools work normally. 2006-2007 S2000. The RSX ECU is not compatible with the 06-07 drive by wire, so the S2000 K-Pro cannot be used. Sorry.
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