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Rb25 Ecu Diagnostics

Driftin~Davo
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Driftin~Davo Enthusiast

Driftin~Davo

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Hey all got sum dramas hope someone with the same problem can help me out.

I'm just trying to start self diagnostics with a RB25 series 2 and want sumone to confirm which 2 cables at the ecu do i short for 2 secs to enable diagnostics. (45 &47?)

I put the engine i my cef and everythings sweet except i'm gettin rev limiter or boost cut feeling at about 3-4g. (I'm running wasgate boost 8ish psi and have unpluged the standard boost control solinode and hope that hasnt upset the ecu.)

Any help or hints and ideas would b great. cheers Davo.

Edited by Driftin~Davo
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Driftin~Davo Enthusiast

Driftin~Davo

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O|OOO|OOO

X|XOO|OOO

Short the two X's, watch engine light

Hey cheers for that i know your refering to the plug in the fuse box. Could u plz tell me the colours of the cables so i can track it to the ecu as i'm not running my 25 in a 33.

Driftin~Davo Enthusiast

Driftin~Davo

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I thought shorting the 2 pins resets the ECU. How do u diagnose the ECU ?

NO, and read Nissans workshop manual on "SELF" diagnostics (There's 3 modes and heaps of crazy stuff goes on). I just wanna know what colour the cables (OR ECU PINS) so i can wire a push button switch to it.

Series 2 RB25's dont have a flate blade screw on the side of the ecu like all the older RB's have which is kinda annoying.

Oh and my engine is in a cef so there's now way i can trace the cables to the plug either.

Edited by Driftin~Davo

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