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Thread: RB20det ECU Pin Out Diagram (PIC)

  1. #1
    sidewazegtsr's Avatar
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    RB20det ECU Pin Out Diagram (PIC)

    Hey guys.

    Well I'm not sure if this is a repost or not but just incase, here it is and hope it's usefull.



    1 Ign signal (power transistor) Cyl #1
    2 Ign signal (power transistor) Cyl #5
    3 Ign signal (power transistor) Cyl #3
    5 engine. A/T control input signal (bt1)
    6 Sub electrical fan relay (engine temp switch)
    7 Tacometeter speed signal
    9 AC relay (AC cut signal)
    10 Ground (ign signal system)
    11 Ign signal (power transistor) Cyl #6
    12 Ign signal (power transistor) Cyl #2
    13 Ign signal (power transistor) Cyl #4
    14 engine. a/t control input sigal (bt2)
    15 engine. a/t control input sigal (bt3)
    16 ECCS relay
    18 fuel pump relay
    19 Power steering switch
    20 Ground (ignition signal system)
    21(RX) Receive (control unit data reception)
    22 (TX) Transmit (data sent from control unit)
    23 Detonation sensor 1 (cyl 1-3)
    24 Detonation sensor 2 (cyl 4-6)
    26 Air flow meter ground
    27 Air flow meter intake air quantity signal
    28 Engine temp sensor
    29 Exhaust gas sensor
    30 Sensor ground (throttle sen, ENG temp)
    31 clock (synchronization signal)
    32 Monitor and check lamp (red)
    38 Throttle opening output
    41 Crank angle sensor (120degree signal)
    42 Crank angle sensor (1 degree signal)
    43 Ignition switch START signal
    44 Neutral switch
    45 Ignition switch (IGN)
    46 AC switch
    47 (CHK) Check (diagnosis activation)
    48 Throttle sensor power supply
    49 Control unit power supply
    50 Ground (control unit)
    51 Crank angle sensor (120 degree signal)
    52 Crank angle sensor (1 degree signal)
    53 Vehicle speed sensor
    54 Throttle valve switch (idle connection pt)
    56 Throttle sensor output signal
    57 Throttle valve switch power supply
    58 Battery power supply
    59 Control unit power supply
    60 Ground (control unit)
    101 Injector #1
    103 Injector #3
    104 Fuel pump terminal voltage control output
    105 Injector #2 107 Injector ground
    108 Injector ground
    109 Injector power supply
    110 Injector #5
    112 Injector #4
    114 Injector #6
    115 exhaust gas sensor heater ground
    116 injector ground

    Cheers 8)
    RHD DriftinG, DoeS iT GeT AnY BetteR????

    Project GTS-R: 1992 R32 Skyline GTS RB20na-> Turbo
    Mods: A few things .
    Dyno Results> 209.2whp/196FtLb @ 7psi

  2. #2
    GTRCer Danno's Avatar
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    Would this be the same as an RB26? If not, do you know where I could get my hands on a diagram of one?

    Thanks

  3. #3
    sidewazegtsr's Avatar
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    Hey man what's up.

    Well here's a link that may help you but you'll need Adobe.

    http://www.plxdevices.com/ECUDatabas...CU%20PinOut%22

    Hope it helps.

    Cheers 8)
    RHD DriftinG, DoeS iT GeT AnY BetteR????

    Project GTS-R: 1992 R32 Skyline GTS RB20na-> Turbo
    Mods: A few things .
    Dyno Results> 209.2whp/196FtLb @ 7psi

  4. #4
    GTRCer Danno's Avatar
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    Victoria, BC
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    Great info, Thanks!

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