sam.everist Posted November 30, 2018 Report Share Posted November 30, 2018 Hi All, Hoping somebody can help me, does the G3 have an internal fuse or anything like that? Quote Link to comment Share on other sites More sharing options...
Adamw Posted November 30, 2018 Report Share Posted November 30, 2018 There is no internal fuse. Does it not power up? Quote Link to comment Share on other sites More sharing options...
sam.everist Posted November 30, 2018 Author Report Share Posted November 30, 2018 At this stage I am unsure... whats the easiest way to check? To try and keep a long story short, I have a 1999 impreza and I drilled into the wiring loom in the drivers wheel arch, I hadnt realised and started the car to turn it around, quickly turned it around, no issues. but when I went to start again it would not fire up, everything was cranking and can smell fuel... I then found the damage to the wiring and proffesionally repaired. But the car still does not turn over. I have checked all of the cars fuses and all are fine. ~I am now wondering if maybe one of the ignition wires were damaged intially and the car has been flooded or something? Quote Link to comment Share on other sites More sharing options...
Adamw Posted December 1, 2018 Report Share Posted December 1, 2018 Have you got a laptop that you can connect to it? Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 1, 2018 Author Report Share Posted December 1, 2018 I have access to a laptop... but I dont have a CAN to USB cable? Quote Link to comment Share on other sites More sharing options...
Adamw Posted December 1, 2018 Report Share Posted December 1, 2018 What ECU do you have? Is it a plug-in ECU or a white box? Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 1, 2018 Author Report Share Posted December 1, 2018 Its 2 silver boxes... Quote Link to comment Share on other sites More sharing options...
Adamw Posted December 1, 2018 Report Share Posted December 1, 2018 That ecu should take an ordinary USB "B" cable just like most printers etc. If you dont have one it should be pretty easy to find one locally. Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 3, 2018 Author Report Share Posted December 3, 2018 OK, yup I have one of those, I will plug in to my laptop this evening and see what happens. Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 4, 2018 Author Report Share Posted December 4, 2018 OK, I managed to connect to the ECU fine, change values, save etc. which is great news as should mean my ECU is ok... now I just have the problem of why the car wont start Quote Link to comment Share on other sites More sharing options...
Adamw Posted December 5, 2018 Report Share Posted December 5, 2018 11 hours ago, sam.everist said: OK, I managed to connect to the ECU fine, change values, save etc. which is great news as should mean my ECU is ok... now I just have the problem of why the car wont start Well now at least you have a good diagnostics tool. A few things you can do in the software; There is an ignition test and injection test function so you can check the coils spark and the injectors click when commanded. You can also crank the engine and watch the displayed RPM in the software, if the ecu is getting a valid trigger signal you should see 150-250RPM when cranking. You can also check all sensors are giving realistic readings such as water temp, air temp and MAP. Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 5, 2018 Author Report Share Posted December 5, 2018 Nice one, thanks for the help Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 5, 2018 Author Report Share Posted December 5, 2018 I plugged the computer in whilst turning over and I am reading the ~200rpm when turning over as you suggested above. I couldnt work out how to do the ignition/fuel tests you suggested? I looked under diagnostics but it was blank. Quote Link to comment Share on other sites More sharing options...
neil brown Posted December 5, 2018 Report Share Posted December 5, 2018 Are the wires soldered together match ? Maybe mixed up ? Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 5, 2018 Author Report Share Posted December 5, 2018 Nope, we triple checked these as we were doing them, Quote Link to comment Share on other sites More sharing options...
neil brown Posted December 5, 2018 Report Share Posted December 5, 2018 Any fuses blown ? Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 5, 2018 Author Report Share Posted December 5, 2018 Nope, checked them all with a multimeter. I pulled one of the spark plugs and turned over and there is a spark, it also smells like there is fuel? Quote Link to comment Share on other sites More sharing options...
neil brown Posted December 5, 2018 Report Share Posted December 5, 2018 Via the ecu do an injector rest to prove when you test cyl 1 it clicks and so on then repeat to test the ign coils for sparking Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 5, 2018 Author Report Share Posted December 5, 2018 How do I do this test? From within PC link? Quote Link to comment Share on other sites More sharing options...
neil brown Posted December 5, 2018 Report Share Posted December 5, 2018 Yes from with in link software connect pc to car with ign on On g4 software under fuel then fuel set up then injector test. Then can test each injector under test conditions under ignition then ignition set up then ignition test each coil Quote Link to comment Share on other sites More sharing options...
Adamw Posted December 5, 2018 Report Share Posted December 5, 2018 2 hours ago, sam.everist said: How do I do this test? From within PC link? In G3 you will find it here: Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 5, 2018 Author Report Share Posted December 5, 2018 Thanks ever so much! That is super helpful. Couldn't find it earlier. Will try this tomorrow. Quote Link to comment Share on other sites More sharing options...
neil brown Posted December 8, 2018 Report Share Posted December 8, 2018 Any joy on your fault ? Quote Link to comment Share on other sites More sharing options...
sam.everist Posted December 8, 2018 Author Report Share Posted December 8, 2018 Yup... New plugs and it started first time. Assume the plugs got too wet etc when the loom was damaged. Thanks everyone for your help. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.