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Honda delSol (92-95 CRX) install documentation: Most of this applies to any 1992-1995 US Civic or Integra Car: 1993 delSol "S" model B18B non-VTEC from 1994 Integra LS Coil on plug from Ford F150 Stock distributor retained only for VR sensors *Excerpt from the Honda Factory manual: "The CRANK sensor determines timing for fuel injection and ignition of each cylinder and also detects engine RPM. The TDC sensor determines ignition timing at start-up (cranking) and when crank angle is abnormal. The CYL sensor detects the position of No. 1 cylinder for sequential fuel injection to each cylinder." Stock ECU pinout: ||A1 - INJ1||EC36-7|| ||A2 - INJ4||EC36-20|| ||A3 - INJ2||EC36-19|| ||A4 - VTEC Solenoid (if equipped)|| || ||A5 - INJ3||EC36-8|| ||A6 - O2 Heater Control || (Wideband replaces this) || ||A9 - Idle Air Control||EC36-3|| ||A12 - Cooling Fan||EC36- || ||A13 - Check Engine Light|| why not connect a P259 output ? (active if <500 RPM) || ||A15 - A/C Clutch|| || ||A16 - Alternator|| || ||A17 - Air Bypass Solenoid (GSR Engine)|| || ||A20 - Evap Purge Control Solenoid|| || ||A21 - Ignition Signal (input to coil) ||EC36-34|| ||A23,24 - GND||EC36-26|| ||A25 - Switched +12||EC36-25|| ||A26 - AGND||EC36-5|| || || || ||B1 - Switched +12|| || ||B2 - AGND||EC36-21|| ||B5 - A/C Pressure Switch|| || ||B9 - Constant power|| || ||B10 - Vehicle Speed Sensor|| || ||B11 - Cyl position sensor +|| || ||B12 - Cyl position sensor -|| || ||B13 - TDC sensor +||EC36-13|| ||B14 - TDC sensor -||EC36-32|| ||B15 - Crank position sensor +||EC36-27|| ||B16 - Crank position sensor -||EC36-32|| || || || ||D1 - Constant Power|| || ||D2 - Brake Switch|| || ||D3 - Knock Sensor||Seperate Header on Board|| ||D4 - Service Check Connector|| || ||D6 - VTEC Pressure Switch|| || ||D7 - TX/RX Data Link Connector|| || ||D9 - Alternator|| || ||D10 - Electrical Load Detector (USA Only)|| || ||D11 - TPS Sensor||EC36-1|| ||D13 - CLT (Coolant Temp)||EC36-14|| ||D14 - O2 Sensor signal||Unused with Wideband|| ||D15 - Intake Air Temp||EC36-2|| ||D17 - MAP sensor||on-board|| ||D19 - +5V for Sensors (MAP)||unused|| ||D20 - +5V for Sensors (TPS)||to TPS|| ||D21 - GND for Sensors (MAP)||unused|| ||D22 - GND for Sensors (TPS, CLT, IAC, O2)||EC36-32|| The following settings are on a stock B18B with no modifications. The only changes are intake and cat-back exhaust. The Honda wiring harness is used, as is the stock distributor. Only wires added were flyback wire and a wideband sub-harness. '''Was the VR sensor polarity verified for falling-edge detection ?''' If the factory senses rising edge, than the connection must be done reverse. Here is the current data/settings: http://www.vems.hu/files/MembersPage/JasonRussell/delsol/delsol_mcd.txt http://www.vems.hu/files/MembersPage/JasonRussell/delsol/delsol_mct.txt http://www.vems.hu/files/MembersPage/JasonRussell/delsol/megasquirt200610071847-pretty-good.msq Datalog from 07oct2006: http://www.vems.hu/files/MembersPage/JasonRussell/delsol/milton_testdrive.xls
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