Because BMW owners aren't snobs...
http://www.zhpmafia.com/forums/showt...-Registrations
lololololololololol
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find a pin out diagram for the obd2 port, find out which wires do what and test for voltage, most likely its just a wire or a pin got marred up or torn. pull the plug off of the dash (two 10mm bolts i think, though they may be tamper proof) and take a good hard look at the wires on the back of it.
diagram can be found here http://pinoutsguide.com/CarElectroni...c_pinout.shtml
pins 1 and 16 should both have 12v to them, if they do not back trace the wires and find out why, make sure the wires are good first then suspect what ever components are in charge of the output (keyed switch, ecu, ect...)
and use a multi-meter on VOLTAGE only DO NOT i repeat DO NOT probe the harness side of any car with an ohm meter (i have done it not realizing my meter got bumped from voltage to ohms and it fried an ecu on a honda)Leave a comment:
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Why is there no forum like r3v? Need help with e46..
Well, I tried e46fanatics and bimmerforums and it seems that everyone replies with unsure answers. Not to mention there is not nearly as much traffic as r3v has so replies are scarce. Figured I'd give it a shot here. I'm hoping some e46 geniuses can chime in here and give me some insight on where to start looking. Here is a repasta from my original thread:
I have been trying to figure this out for a while now ever since I bought this car. When I first bought it, the key would not unlock the doors or lock them. Later after researching, I found that there is a module for the antenna that also works in conjunction with the keyless entry, which I replaced and everything was working fine. Then emissions came up and I took it expecting it to pass with flying colors, since the car runs brilliantly with zero hiccups, etc. Unfortunately, they could not connect to the OBDII port, for which I then took the car to the dealer to get it looked at and those dumbasses told me everything is fine and the OBDII port is fine. Today I went to meet with a emissions rep to have him look at my car and he connected a generic OBD scanner, but to no avail. It wasn't receiving any power from the port. I have checked the fuses and they are fine. It has me thinking maybe there are deeper issues with the electronics, which has me quite worried. Anybody know any tests that I can do, i.e. multimeter, etc., to narrow down this issue and fix myself without having to take it back to those monkeys at the stealership? Thanks for helping!
Cliffs:
Took car to emissions, failed due to computer unable to communicate with car OBD-II.
Emissions rep tried connecting generic OBD-II scanner, would not power on or communicate at all.
Checked OBD-II fuses and cig lighter fuse, both are good.
Tested for voltage at pins 1 & 16, both were good.
Connects to BMWScanner v1.4 perfectly.
Will not connect to any OBD-II scanner.
It is a 2002 325i (facelift)
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