Check for power at the coil positive terminal. Do you have power? Might want to check this -pull the coil wire from the distributor and ground it to the engine while cranking over -do you have spark-if not Do below: If so inspect the rotor/cap it has to make it out of there to get to the plugs.
Also while cranking it over listen to the injector/s are they clicking?
Remove the distributor cap, rotor, and cover to access the wires at the coil and ignitor.
1. Key on/Engine off - Black/Yellow wire should have battery voltage, as well as the coil negative wire(white/blue on civic models).
2. The Yellow/Green wire should have 9-12 volts(cranking voltage)which is pulsed and can be seen as a square wave or appear as 10-14 degrees of dwell(with the dwell meter set on the 4 cylinder scale). With a good signal you now know that the pcm is okay.
3. Now look for a pulsed signal on the coil negative wire. If the signal is good, then replace the ignition coil. And if the signal is no good, then it is recommended to replace both the ignition ignitor & coil(or the distributor assembly).
Saturday, October 20th, 2007 AT 5:23 PM