R32 ECU Pinout [PDF]

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Looking at ECU when mounted



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B02-0833C



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Terminal 1 2 3 4 5 6 7 8 9 10



Description Ign signal (power transistor) Cyl #1 Ign signal (power transistor) Cyl #5 Ign signal (power transistor) Cyl #3 AAC valve Sub electrical fan relay (engine temp switch) Tacometeter speed signal AC relay (AC cut signal) Ground (ign signal system)



Terminal 11 12 13 14 15 16 17 18 19 20



Description Ign signal (power transistor) Cyl #6 Ign signal (power transistor) Cyl #2 Ign signal (power transistor) Cyl #4 ECCS relay Fuel pump relay Power steering oil pressure switch Ground (ignition signal system)



21(RX) 22 (TX) 23 24 25 26 27 28 29 30



Receive (control unit data reception) Transmit (data sent from control unit) Detonation sensor 1 (cyl 1-3) Detonation sensor 2 (cyl 4-6) Wastegate valve control solenoid valve Air flow meter ground Air flow meter intake air quantity signal (rear) Engine temp sensor Exhaust temp sensor (front) Sensor ground (throttle sensor, engine temp sensor)



31 CLK) 32 33 34 35 36 37 38 39 40



Clock (syncronization signal) Monitor and check lamp (red) Air flow meter ground Air flow meter inatek air quantity signal (front) Intak eair temp sensor Throttle opening output -



41 42 43 44 45 (IGN) 46 47 48 49 50



Crank angle sensor (120degree signal) Crank angle sensor (1 degree signal) Ignition switch START signal Neutral switch Ignition switch (IGN) AC switch Check (diagnosis activation) Throttle sensor power supply supply Control unit power supply Ground (control unit)



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Crank angle sensor (120 degree signal) Crank angle sensor (1 degree signal) Vehicle speed sensor Throttle valve switch (idle connection point) Exhaust gas sensor (rear) Throttle sensor output signal Throttle valve switch power supply Battery power supply Control unit power supply Ground (control unit)



Injector #1 Injector #3 Fuel pump terminal voltage control output (FPCM)1 Injector #2 Fuel pump terminal voltage control output (FPCM)2 Injector ground Injector ground



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Injector power supply (counter electromotive reflex circuit) Injector #5 Injector 6 Injector 4 Injector ground



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