Fill in the blanks for 2g ecu
I am on a mission to figure out what all the pins do for a 2g ECU
I am going off of the diagram from Visual Frequently Answered Questions - Home Page http://www.vfaq.com/proj-pics/ECU/ecu-harness-2G.gif And there are a couple that are left blank. I know maybe a couple of them are relays when the ecu is connected in. I am building a megasquirt, would like to delete the ECU and just use the Megasquirt system. I know a couple of people have done it so it is possible. Pin Connection Pin Connection 1 No. 1 Injector 14 No. 2 Injector 2 No. 3 Injector 15 No. 4 Injector 3 Fuel pressure solenoid 16 Boost meter 4 Idle Speed Control (ISC) motor coil (A1) 17 ISC motor coil (A2) 5 ISC motor coil (B1) 18 ISC motor coil (B2) 6 EGR Solenoid 19 Volume air flow sensor reset signal 7 Engine/transaxle general control torque reduction request signal 1 20 Cooling fan motor relay (high) 8 Fuel pump relay 21 Cooling fan motor relay (low) 9 Evaporate emission purge solenoid 22 AC compressor clutch relay 10 Ignition power transistor (A - to coil for cyl 1&4) 23 Ignition power transistor (B - to coil for cyl 2&3) 11 Turbo wastegate solenoid 24 12 Power supply 25 Power supply 13 Power supply 26 Pin Connection Pin Connection 31 39 32 40 33 Generator G terminal (what does this mean and is it really needed) 41 Generator FR terminal (what does this mean and is it really needed) 34 42 AC intermediate pressure switch 35 43 Engine/transaxle general control torque reduction request signal 2 36 Check Engine light 44 37 Power steering pressure switch 45 AC switch 38 MFI relay (power supply) 46 Engine/transaxle general control torque execution signal Pin Connection Pin Connection 51 57 52 58 Engine ignition signal 53 59 54 O2 sensor heater (rear) 60 O2 sensor heater (front) 55 61 56 62 Pin Connection Pin Connection 71 Ignition switch - ST 82 72 Intake air temp sensor 83 Coolant temp sensor 73 Manifold differential pressure sensor 84 Throttle position sensor 74 85 Barometric pressure sensor 75 O2 sensor (rear) 86 Vehicle speed sensor 76 O2 sensor (front) 87 Closed throttle position switch (Idle switch) 77 88 Camshaft position sensor 78 89 Crankshaft position sensor 79 90 Volume air flow sensor 80 Backup power supply 91 Park/Neutral position switch (used on ATs only) 81 Sensor impressed voltage 92 Ignition switch - IG Thanks for your help! |
Re: Fill in the blanks for 2g ecu
I dont know if this will help you or not...
http://www.aemelectronics.com/Images...%2030-6310.pdf Starts on page 10. |
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