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Car Forum / Hyundai Cars / June 2009Lantra Ignition proble,
A 2000 1.8l build Lantra. No spark from rear ignition coil. Took it off, all connectors ok, Resistances of primary and secondary similar to front coil. No fuses I can find that are blown. Any idea where to from here?. Many thanks John Should have said the resistance of secondary for one that doesnt work is 10 ohms, the one that does work is 6 ohms. That significant?. Wouldn,t have thought so but then I,m not very familiar with these. Primaries of both both ~ 0.4 ohm. John > Should have said the resistance of secondary for one that doesnt work is 10 > ohms, the one that does work is 6 ohms. That significant?. Wouldn,t have > thought so but then I,m not very familiar with these. Primaries of both both > ~ 0.4 ohm. > John I gave up checking resistance on Hyundai coils many years ago because they always tested outside spec and were rarely the issue. To check the power circuit and wiring, do the following: Go to the coil connectors, unplug, and verify you have power with the key on. If not, find the open circuit in the power circuit. Next, replug the coils and unplug the ECM (key still on). With a test light, verify power on the control wires to the ECM, If you had power in both places, you've verified the coil circuits, limiting your problem to coil and ECM. If you suspect the coil is the issue, swap the two coils. If the misfire moves with the coil, the coil itself is defective. If not, the problem is elsewhere. Much obliged HT, had a look in Hyundai site for where ECM is, no mention of it. Probably a silly question but where is it? Cheers John > Much obliged HT, had a look in Hyundai site for where ECM is, no mention of > it. Probably a silly question but where is it? > Cheers > John The ECM is behind the left side of the dash, presuming it's the same as U.S. models. The greatest tool I've found for locating components is the electrical schematic. In the schematic, the numbers are links to information about the connector. When the connector window pops up, you'll initially see a diagram of the connector. At the top of this window, you'll see a location link. Click on that, and a nice picture of the component will typically appear. My apologies for the delay in reply. For no apparent reason, google had moved this off my recent topics and it just today came back. Hopefully this is still of some help. |
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