I needed a new alternator. Last week when trying to restart the vehicle it began to suddenly shake the whole vehicle I turned it off, waited 30 sec, restarted and it did it again. All other company, product, or service name references on this site are used for identification purposes only, and are trademarks of their respective owners. Repair Solution Having seen this problem so many times before, over the course of my repair career, I knew that I needed to immediately check the resistance between the alternator's pin 1 and ground preferably on the alternator's case. The resistance registered was 60+ K ohms.
So my suggestion is to check all plugs and wires to make absolutely certain everything is put back together correctly before you sink more money into fixing what's not broken. Since there are three pins in the voltage regulator , you need a way to identify them. Compare the obtained readings with the values stated in the manual, and make repairs or replace wiring as required to ensure that all electrical values fall within the ranges specified by the manufacturer. The problem is fairly serious when you consider its impact on drivability. Let me tell you of a recent diagnostic experience I had at work: Not Charging Complaint 2004 Expedition 5. . Did you check the fusible link between the battery and generator? What are the common causes of code P0622? The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.
The generator field duty cycle signal circuit connects to the high side of the field winding in the generator. It may be a wiring problem in the circuit to the alternator. Gotta run right now, post back if you need more. I'd have got on to load testing after his answers. Well, my boss and owner of our little repair shop ordered the alternator.
The service managers are in the best position to advise the next steps and help you reach a resolution. Fuel efficiency will probably suffer too. The alternator would only last about a week and the owner of the vehicle would bring it back with to the shop. Other symptoms are more serious. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. Then I waited 1-2 min and it has not happened since. Find a bare metal spot on the case to ground the Multimeter Lead.
To make the long story short. In some cases, it is more cost effective to simply replace all relevant wiring than to try and find an intermittent fault, so if an intermittent fault is suspected, the better option would be to refer the vehicle to the dealer or other competent repair facility for professional diagnosis and repair. Make repairs, or replace terminals as required if the terminals are in a less than perfect condition. If so, something other than radio and computer is using power. Which means the fusible link fried. If it has, dropped me a line and share your diagnostic and repair experience with the rest of us. P0622 Ford Possible Solution: The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible.
A shop needs to test it out. When the car is off, does it drain the battery? Otherwise you need to have a shop clear those computer codes for you! Problem has appeared in autumn 2017г after replacement battery to a new, as the old lost capacity. What are the symptoms of the P0622 code? Do you have a check engine light on? But it will charge the battery. May 21, 2015 Hey Joe , The first thing to do would be check for battery voltage on the heavier gage wire on the back of the alternator , if there is no voltage here there is a open circuit! Repairing this type of alternator, or using rebuilt units is often not worth the possible saving since as has been stated elsewhere, these alternators cannot be tested, which means that proper operation of such an alternator can never be guaranteed. In that case, a scan of the vehicle may show that the P0622 code is pending.
Unfortunately, I am not a certified technician. If not then you must check all connections from battery to alternator and starter. Depending on the exact problem, it could be reported by the body control module, the antilock brake control module, the alternative fuel control module, the anti-theft module, the turbo control module, the instrument panel control module, the climate control module, the cruise control module, the traction control module, the proximity alert module, and the fuel injection control module. How do you troubleshoot code P0622? This wire comes from the starter! I recommend taking your vehicle to the nearest Mazda Dealer to get diagnosed. So if the required diagram and pin-out chart are not available, or if you are not comfortable with the idea of testing charging system circuits, the wiser option would be to refer the application to the dealer or other competent repair facility for professional diagnosis and repair of the code.
Step 1 Record all fault codes present, as well as all available freeze frame data. This cost money and it will turn the battery light off. Need help with a P0622 code? Do you have the charge indicator lit on the dash? If you put it in idle, the engine may make a weird noise. About three alternators later the Ford Van ended up staying about a week till we figured it all out , what solved the issue was buying an alternator from a different parts supplier. If you have any doubt as to repairs on your vehicle, please contact your technician. If all checks out good, you may need a new alternator.