P0352 ignition coil b primarysecondary circuit malfunction. The circuit that is blowing the fuse is circuit 361 red in color which powers a. To locate the pcm information for a particular vehicle, find the model, correct engine size with vin code and finally the year of the vehicle. The pcm power relay is the furthest most relay opposite of the pcm diode. It seems to me ford has admitted to this problem, yet offers no help. Can you supply me with the pinout locations for the coil drivers. Usually, but not always, when this happens, the pcm will set one of the following diagnostic trouble codes. I also replaced all the coil on plugs as the tsb requires with new motorcraft units. The test fails when the pcm does not receive a valid idm pulse signal from the ignition module integrated in pcm.
A bad coil can and very often does damage the coil driver in the pcm. Note, if you get a replacement pcm from a salavage yard get from the same year, engine, and transmission. If the pcm has been damaged by a failed ignition coil, then all 6 coils. Im trying to repair my sisters 2005 ford escape v6 that appears to have a bad pcm computer and ignition coils.
Diagnose ignition coil failure ricks free auto repair advice. Connector pin identification repair guide autozone. One is a battery feed usually from the power distribution center. Notorious 2005 ford escape, pcm repaired coil drivers, now. Check pcm internal coil driver functionality by p035x is present, follow procedure a. Check the coil driver circuit for open, short to voltage, or short to ground. Ford p0351 ignition coil 1 primarysecondary circuit car. Although diagrams 4 and 5 show this a single pcm connector, i needed the red coil wire diagramthank you for that. It is common for these coil on plug systems to fry the driver transistor inside the pcm,if the spark plug gap becomes so worn that the spark can not jump said gap. Replace all plugs, all ignition coils, sent the pcm to get repaired, diagnosed with coil driver 4 fried, all coil drivers were replaced pcm was on a simulator for 24hrs, diagnostics ran on pcm pulled up vin, odometer, etc. I need to check the wiring for either an open or short. This section can be used to look up the location of a particular pin, a wire color or a known good value of a pcm circuit. Ford coyote engine ignition and starting performance guide.
The coil driver circuit is monitored by the pcm for faults if an open or a short is detected in the driver circuit for coil number 1, a p0351 ford may set. This repair service is for the pcm power control module or ecm engine control module from a 2005 or 2006 3. The copperhead pcm ecu takes all of the known elements driver input, speed, environmental conditions, and engine timing events and turns them into a firing order cadenced in perfect time with piston and valve timing events to fire spark plugs at just the right moment. Also, depending on the vehicle, the pcm may also shut down the fuel injector to.
Wound up sending the pcm to sia electronics in illinois. If a bad coil or coils are suspected replace immediately with the plugs at the s. What is a coil driver 2005 ford escape it is a pull down resistor in the form of a transistor,that works like a switch in the pcm main computerto ground out or pull the individual cop ignition coilsprimary windings to ground. Left bank is good, truck starts and runs, very poorly, cannot be driven. P2316 ford meaning the current flow, or dwell, through the primary ignition coil is controlled by the powertrain control module by providing a switched ground path through the ignition coil driver to ground. Ford p0356 ignition coil 6 primarysecondary circuit car. This happened very suddenly, and it looks like all four coil drivers in the pcm. If an open or a short is detected in the driver circuit for coil number 2, a p0352 may set. How a 4 dollar spark plug can destroy your ford edge pcm duration. When an engine with coilonplug cop ignition starts to misfire, there are. I replaced all of the other coils with motorcraft parts to hopefully prevent any more coil drivers from blowing. For example, to look up the pcm terminals for a 1999 mustang 4. One of these wires is used as a battery feed and the other is the coil driver circuit.
So how long do you have before it will damage it you ask. Ignition coils failure problems of the 2005 ford escape. Request providing the attached pinout on a 3 connector type pcm. If a primary coil is damaged due to a harness short to ground the pcm will not be damaged. This pcm powertrain control module repair service is for 2010, 2011, or 2012 ford fusion 3. Interesting during my research using 2carpros i found a previous thread for a 2005 escape diagram. Ford informed us that computers are on backorder for 2 to 3 months. The vehicle was towed to a dealer where it was diagnosed that the ignition coil exploded and damaged the pcm. Have a ford fusion 2007 told ignition coils bad and pcm. Pulled pcm, opened case, and found burned up coil driver ics.
The coil driver circuit is monitored by the pcm for faults if an open or a short is detected in the driver circuit for coil number 3, a p0353 may set. Onechannel ignition driver is ideal for high performance distributed applications. P0355 ignition coil e primarysecondary circuit malfunction. P2300 ford ignition coil a primary control circuit low. P0351 ignition coil primary a circuit malfunction coil driver for cylinders 1 and 6 malfunction. This is a ford fusion pcm powertrain control module repair service for a 2006, 2007, 2008, or 2009 ford fusion 3. All coils are fed from a single source through a large fuse and the delicate coil driver ics in the pcm become the weak link when current loads increase from aging coils plugs. I replaced all the ignition coils, which isnt easy considering you. Need help with code 0352 ign coil primary circuit fault.
P2304 ford meaning the current flow, or dwell, through the primary ignition coil is controlled by the powertrain control module by providing a switched ground path through the ignition coil driver to ground. The 2007 ford edge has 7 problems reported for burned up coil packs. Statistically, the pcm is probably the most reliable component on the entire vehicle. About all you can do to check the pcm is to check if you have power going to it and a good ground. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil. These coils are all controlled by the pcm which attaches to each with two wires. The coil driver circuit is monitored by the pcm for faults if an open or a short is detected in the driver circuit for coil number 2, a p0352 may set. Do not replace the pcm without verifying the coil driver functionality. The coil driver circuit is monitored by the pcm for faults. She was driving it one day and the whole dash lit up and it just died. Replace all plugs, all ignition coils, sent the pcm to get repaired, diagnosed with coil driver 4 fried, all coil drivers were replaced pcm was on a.
This is a very good case study on how to deal with. Need some help trying to fix the flex ford flex forum. Use the 12 volt nonpowered test lamp to verify vpwr voltage at the ignition coil harness connector. Three and fourchannel ignition coil drivers are ideal for atvs, motorcycles, snowmobiles and racing vehicles with space limitations or those that do not require additional voltage generated by a cdi.
The other wire is the coil driver circuit from the pcm. While this reduces cost and complexity, the coil drivers are now inside the pcm, so the pcm must be protected against the coil primary flyback. Can bad coils fry that computer the pcm pcm zephyr v63. However, the pats will have to be reprogrammed or pats disabled with a turner. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil inductance and resistance. This happened very suddenly, and it looks like all four coil drivers in the pcm are shot, but. P0352 ignition coil primary b circuit malfunction coil driver for cylinders 3 and 5. Once the ignition module or the driver is destroyed, replacing the module or pcm without fixing the underlying cause of the failure will just damage the replacement. With a cop, each of the vehicles cylinders has its own coil. The coil driver circuit is monitored by the pcm for faults if an open or a short is detected in the driver circuit for coil number 6, a p0356 ford may set. If there is no coil trigger, check at the pcm for shorts or opens and repairreplace the wire as necessary. We are now offering ignition coils and spark plugs to make the repair process even easier. Obdii pcms have circuit protection to take account of the possibility of shorted actuators fuel injectors, coil drivers and other electrical overloads.
The pcm ungrounds and grounds this circuit to deactivate or activate the coil. The tsb said it can confirm the problem is with the pcm with an osmelloscope test, using a ford ids. That does not check the functions of the pcm to determined if they have been zapped. P2316 ford ignition coil f primary control circuit high. Notorious 2005 ford escape, pcm repaired coil drivers, now it will. Ford dealer could not program keys, says could be ground or can line open or short, but otherwise no help. It shorts inside the coil sending high voltage to the pcm driver. The current flow, or dwell, through the primary ignition coil is controlled by the pcm by providing a switched ground path through the ignition coil driver to ground. The pcm i have has three separate plugs not the large single one i can find schematics for. If the driver in the pcm is determined to be defective, replacing the suspect coil would be a good idea, as it may have spiked the pcm and took out the coil driver. If there are two 2 or more coil circuit primary dtcs p035xp035x, follow 4. Failing this escape driver test is what condemns the pcm. What would cause all four coil packs to be dead on a ford f150 5. Took longer than was quoted to get it back, but once it was installed, we were back on the road.
In the most severe instances, the high voltage can seek ground through the ignition controllereither a freestanding ignition module, or the ignition driver inside the pcm. Also, depending on the vehicle, the pcm may also shut down the fuel injector to the cylinder also. Codes pulled up showed a couple misfires and pcm issue replace all plugs, all ignition coils, sent the pcm to get repaired, diagnosed with coil driver 4 fried, all coil drivers were replaced pcm was on a simulator for 24hrs, diagnostics ran on pcm pulled up vin, odometer, etc. Ford pcm ecm ecu repair service circuit board medics. Ford distributorless ignition system auto service professional. Ford released a bulletin descibing the need to replace all spark plugs and ignition coils to prevent pcm damage. Dont know if this helps, found the following service bulletin p0351, p0352, p0353, p0354, p0355, p0356 coil on plug primary circuit failure ford has issued a tsb tsb 0926 for owners of 200506 ford escapes and mercury mariners with the 3. P2304 ford ignition coil b primary control circuit high.
We brought it to ford and they said they thought it had a bad pcm and ignition coils. While driving 35 mph, the vehicle began to jerk and the check engine warning light illuminated. Ford dtc p0353 diagnostic trouble code dtc definition. The pcm groundsungrounds this circuit to activate or deactivate the coil. P2300 ford description the current flow, or dwell, through the primary ignition coil is controlled by the powertrain control module by providing a switched ground path through the ignition coil driver to ground. Drive ignition coils on a coil onplug setup without a cdi. So i got all the parts online and did the repair myself.
This primary waveform shows a ford multistrike ignition coil firing three. A damaged pcm from a failed ignition coil is the most common problem. There are videos on youtube showing how to test a pcm driver circuit. With the engine running, i am getting a reading of. The part numbers are almost the same as my originals except for a few digits 8m2e12a366aa.
168 576 1354 1170 244 413 1058 673 887 1212 1186 56 643 1238 353 965 1024 871 21 671 317 170 1003 423 996 895 482 440 15 638 53 994 141 1265 682 378