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Found 3 results

  1. hey all. im having trouble diagnosing a problem after my recent rebuilt. everything seems to be fine, everything mechanical anyway but i only get an initial combustion. was hoping someone local might have a consult interface i could borrow. the closest one to buy was in perth and i was hoping to sort this out soon. a box of beer is in it. im near brisbane. any help would be great. thanks. Zachery.
  2. R34 GTR ECM/ECCS Relay power source Hi Everyone, For some unknown reason my ECM/Coil relay is not getting its supply power, as such the ECU is also getting no power on pints 49/59. I have spent days trying to locate the reason for this and need some assistance in confirming a few things regarding R34 GTR wiring. First thing of course was that I've checked all the fuses. Initially the top row-left use (10A Electrical components fuse) was blown. I replaced it, and it has not blown again since. The ignition circuit that switches ground to one side of the ECCS relay is functional. I have tried hot-wiring power to the ECCS relay by connecting pin 3 to +12V, and the relay operates as it should and the ECU powers on properly. So there's my fix should I give up on fixing this issue properly. The next thing I started to bypass was the aftermarket black widow alarm system, as I suspected the immobiliser relay may have gone open circuit (although it does click). Bypassing most of these circuits, (and confirming the immobiliser relay was actually switching) was easy to confirm. Still no go. Yes I run a Haltech ECU, which in theory ignores the factory immobiliser. But the immobiliser is still in the car, and there might be a fault with it. Does the factory immobiliser isolate the ECM relay? Other than at the fuse box, is there another place in the car that I can check the power to the ECM relay? Other than the alarm install, the loom is relatively unmolested. Any idea's or suggestions appreciated. Cheers, Ian
  3. Hi Peeps, just thought to post this up, even if it comes in handy one day for someone with the same fault. As we know SAU is a great community for anything Skyline related I wont go into full detail, just a basic overview - I recently completed mods to my R33 and got the vehicle tuned. After a long 2 1/2 years in prep and paint and taking the vehicle off the road. I had to remove all mods for RWC - the last 2 days I removed exhaust side and Intake side basically everything to change back to stock. After fitting everything up and double checking to ensure I had covered all bases, checked earth connections, sensor plugs. Was time to fit the stock ECU and turn the key. On the initial first cranking it did not start within 5 or so seconds, tried again, nothing at all. Was safe to assume something isn't working. After I turned the key to the off position I noticed a relay located next to the ECU kept clicking. ECCS relay - I thought it may have had something to do with the AFM wiring so I double checked it, only because one mod is the upgraded AFM - then tested the AFM wiring with Multi meter seems to have correct readings. And when I unplugged the AFM the ECCS relay stopped clicking. Also because I had changed to a S1 inlet manifold - I thought to also swap out the TPS with my S2 item. I then turned the key to on but not start and the ECCS was still clicking when the key was turned off. At this stage, I ran a quick ECU fault code diagnostic check - results were code 55 - no faults recorded. I installed the Apexi PFC back into the vehicle and got Co-Pilot running to set the TPS to the correct setting. And also check the sensor readings - everything seemed to be correct, except the TPS which was on 9. Last thing was to open the Stock ECU housing - seen as it was sitting for 7 years to inspect inside for potential corrosion. And there it was as clear as day. Capacitor corroded. Also ran a quick test with the multimeter and found the number 2 was showing zero reading and all others were in the 460 to 470 range. Even though number 1 shows a reading but also corrosion I would be replacing this as well. After finding this - i uploaded a base map back into the Apexi and car fired up straight away. Its kind of constipated going from 360kw back to stock If it helps just one person in the future then its all well worth the very small effort.
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