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It began with the Chrysler and Dodge Magnum. In some cases, it has actually worked out for them. The N3 speed sensor solid black is the most forward speed sensor on the conductor plate. This is a clutch-to-clutch shifting transmission, meaning there are no bands in the shifting process.
Another misunderstood scan tool parameter that occurs is with the Transmission Fluid Temperature located in the electrical conductor plate as shown in Xtsg As a side note, the N2 rpm reading in 1st and 5th tasg will not be actual input asg rpm. This sensor reads the 7222.6 of the K1 clutch drum inside the transmission Figure 9. For DodgeChrysler and Jeep vehicles, gear ratio errors can be the result of a slipping transmission, an incorrect ratio planetary, an incorrect ratio differential, the wrong TCM is being used or, the wrong pinion factor was programmed into the TCM.
But the majority of times it usually comes back with various codes. This occurs in Reverse or a forward gear positions only. The N2 is the next sensor back on the conductor plate silver top and reads the rotation of the front planetary carrier assembly. The remedy is a new sleeve between the internal conductor plate and external harness connector called the Adapter Plug; part number A 02 53 Figure 6.
Then both are the same in 2nd, 3rd, and 4th. The chart in Figure 10 confirms the normal operation of the speed sensors, the N3 sensor being at 0 in reverse S1st and 5th gears while the N2 is providing an rpm reading. Jenric Auto Sales Car Dealership.
Because this plate can fail in such a way where it will produces speed sensor or solenoid codes, there has been at times confusion with diagnosing the N2 and N3 speed sensors. If the on coming clutch applies too quickly, the overlap of the two clutches causes a very brief tie up or bind up, which feels like an abrupt or harsh shift.
They too needed to be properly calibrated to accommodate the various vehicles they would be used in. Email or Phone Password Forgot account?
ATSG 722.6 Transmission Technical Service Information
But it will definitely ensure that the new TCM you put in will not get loaded with fluid again. Crazy as it sounds, it happens. Figure 11 is a first gear screen capture at 10mph of a Jeep Grand Cherokee which provides the following data:. In these ranges the N3 rpm reading will be 0.
This conductor plate brings up a few very interesting points to mention, which is really the primary focus of this article. This transmission does not have an output speed sensor. Interestingly enough, the advertised gear ratios for this vehicle are as follows: The internal conductor plate just previously mentioned is another commonly known issue with this transmission.
Circuitry within the conductor plate runs from each solenoid atg the plug connection. This occurs in Park, Reverse Standard Mode, 1st and 5th gear.
The mechanical make up of this transmission consists of three planetary gear sets: What this means is that whenever the B1 clutch is applied it holds this drum stationary. A pinion factor takes into account the transmission gear ratio, tire size and differential ratio for the TCM to properly calculate an output speed signal.
This drum has the front planetary sun gear attached to it and it lugs into the B1 clutch on the pump.
The selector lever can then be safely placed into Reverse or Drive to properly conduct the test. Some risk cleaning out the contaminated TCM to reuse it. The N2 will provide atssg rpm reading in park and neutral, and all forward and reverse gear movement but will read 0 rpms when in gear with the brakes applied.
The computer is programmed to divide the 0. As one clutch comes off, it needs to be carefully timed with the on coming clutch.
It will take some time to stagger 722. exposure of each wire, solder, and then properly wrap and cover your work.
What this means to you and me is this. This means that anytime the input shaft is in rotation so is the front planetary carrier assembly. Several different gear ratios are available with this transmission as well as various amounts of clutch plates within a clutch pack assembly. By way of capillary action, fluid is drawn up through atzg wiring filling the TCM Figures 4 and 5.
Mercedes 722.6 / NAG 1
However, the TCM needs to know input shaft speed. FranklinCovey Guyana Business Center. I know that there are transmissions with computers being inside them submersed in transmission fluid, but these external TCMs are not one of them and do not fare well being filled with fluid.
The next interesting aspect to this equation is the Output Speed. Its purpose is to measure the fluid temp and pass that information to the TCM as an input signal. This not only damages the conductor plate, it also causes a no start condition. Wheels and Meals Cars. TransTec de Corteco Cars.
ATSG Mercedes / NAG 1
But when the K1 clutch applies, it locks the sun gear to the carrier forcing the entire front planetary assembly to rotate at actual input shaft speed. It is mounted on the valve body, which the solenoids bolt down onto Figure 7. Too many wives might find oily residue on their dishes after removing them from their dishwasher. The N2 rpm of is divided by the 0. The ISS Factor Making sure the clutch is used properly is almost as important as these other tips for keeping this transmission in gear.
Although the adapter plug is supposed to prevent transmission fluid from leaking fluid into the harness connector, it could fail.