The ECU is not involved in switching the 12 to the ignition coil or the Hall sensor. Check to see if 12 volts is getting to the coil could be a bad ignition switch or connection on the fuse box. The plug connections will heat up and fail. Note that there is no fuse protection for the ignition coil, ecu, or fuel pump. The 12 goes from the ignition switch, into the fuse box and comes back out in another connector and then goes to the coil. Find the wires that go in and out following the Bentley schematic and then jump the two together. If you unplug the connectors from the fuse box, you will probably see the burn marks. Dennis
-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of No Name Available Sent: Thursday, October 23, 2003 9:58 PM To: vanagon@GERRY.VANAGON.COM Subject: No spark, no hall juice, tech help request. hey, I have been helping a friend in the cold rain and snow here in VT with his van. He has no spark from coil. so we checked the hall sender (replaced recently, by one of the POs). Anyway I proceeded to check for the required minimum 10volt signal from the ecu at the hall efect sender wires and I had nothing, now the bentley says "replace ECU" in this instance. NO problem, Done< I have three good ones. NOPE this aint workin dude. SO Me thinks that we need to replace the wiring harness or chase the wires till we find the short or broken wire. ANy input? previous experience not neccessary. Thanks Chris VT |
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