Great 4L60E Wiring Diagram MegaShift 4L60E - Functionportcircuitampseal pin sol a (output1)pe4vb323 sol b (output2)pm2vb435 sol32 (output3)pt1pwm434 pcpt2pwm333 tccpt3pwm232 led1pm4gpo110 led2pm3gpo27 led3pm5gpo38 led4pb4gpo49 switcha (input1)ad0egt4 (jumper)26 switchb (input2)ad1gpi26 switchc (input3)ad3egt325 paddle uppt6vr215 paddle downad6gpi54 vsspt0vr12 temp sensorad2gpi330 brake sensead7gpi43 speedo outputpt4pwm131 non-can map/tps/mafad5egt124 line strain sensorad4egt227 2wd/4wd switchpe1gpi15 spare output1 (lu feel/grab)pt7vb1 (jumper)eleven spare output2 (clutch)pa0vb212.
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On ms-ii controllers, the can paths are: canh: cpu pin pm0 (#forty five) → forty-pin socket pin 6 → js6 jumper to spr1/canh → db37 pin three, canl: cpu pin pm1 (#forty four) → forty-pin socket pin eleven → js8 jumper to spr2/canl → db37 pin four.
Outputs from gpio pinfunctioncontrollimits asol a (1-2/3-4) switched gnd (aka. Output1)on/off20-forty ohms (0.Seventy five amps max.) Bsol b (2-3) switched gnd (aka. Output2)on/off20-forty ohms (0.75 amps max.) Cpressure control solenoid highpower (nominal 12v)switched 12v from harness dpressure control switched gndpwm (293hz)zero to 60 (three.Five - 4.6 ohms at 20°c, 1.1 amps max.) E 12 volt powerhigh (nominal 12v)switched 12v from harness ulock-up feel solenoid switched gnd now not always usedpwm (32 hertz) 10-11.Five ohms at 20°c s3-2 sol switched gnd (aka. Output3)pwm (50hz)nine-14 ohms at 20°c ttorque converter clutch solenoid switched gndon/off20-forty ohms (1.5 amps max.).
Notes: for the stress manage (computer) solenoid: you want a minimum four.7 ohm (or higher resistance - up to ~10 ohms), 10 watt (or greater) resistor (which includes digi-key 4.7cwbk-nd, $1.Sixty seven) at the strain manipulate solenoid twine from the trans connector pin d to the gpio board's pin 33. This resistor dissipates as much as 4 watts of power at low line pressures (maximum pwm chances). As a end result, the resistor can get hot, so mount it on a warmth sink (ideally a metallic block) in an area with lots of air stream. Along side that resistor, you'll want a 1n4001 recirculation diode placed between pin c and d at the 4l60e connector (the towards the transmission connector the higher). Be cautious to orient the diode effectively. Those additional external additives cut the flyback spikes from the solenoid to manageable degrees preventing harm to various gpio board components and doubtlessly cleansing up external signals along with the vss. Any solenoid that is pulse width modulated (inclusive of the shift solenoid outputs, tcc, and luf), if they are pwm'd) require that you put a flyback diode on the solenoid. The illustrated instructions are here: recirculation diode instructions. Deploy an outside diode among that solenoid's voltage deliver and the road going to the gpio board. The banded cease of the diode is going to the voltage deliver cord, the non-banded quit of the diode goes to the line to the gpio board. Installation the diode as near the solenoid as is convenient. The 1n4001 diode is set up externally to keep away from bringing excessive-voltage noise into the gpio. 1n4001 diodes are to be had at genuinely any electronics supply store. With out this outside diode within the pwm circuits, you can harm a few internal additives. The four resistors for the leds can be 330 to 390 ω, ¼ watt. In case you want a 'mode selection switch' to pressure auto mode or allow guide mode, you could do this with a transfer and diodes (1n4001 or equal): (this circuit only works with 'shift button polarity' = "energetic low".) While the mode switch is closed, car mode could be used, no matter what you do with the shift buttons. If the mode transfer is open, pushing either the upshift button or downshift button will placed you in manual mode (and pushing each or switching the mode pick transfer to auto will placed you back in car mode). Sensors: the 4l60e makes use of three sorts of sensors: temperature sensor, used to determine tcc lock-up, 3 strain switches (no longer that those are occasionally called 'transmission strain switches, tps, however they ought to now not be careworn with the throttle position sensor), used to determine the presently decided on gear (i.E., The shift lever role), car pace sensor (variable reluctance [vr] kind), used for a number of criteria. Notes: there may be an early and a past due model of the 4l60e transmission. The difference is the addition of the "lockup feel" solenoids (aka. Tcc pwm solenoid). Vss (car velocity sensor) on 2wd cars is in transmission extension housing, on 4wd automobiles the vss is in switch-case. The european also senses a brake switch and turns off the tcc solenoid on every occasion brakes are carried out. Tcc lock-up solenoid is typically only energized in 4th equipment, if the transmission temperature is above 250°f it's going to energize it in second and third as well. Duty cycle at the stress manage solenoid is inversely proportional to the throttle perspective (as throttle attitude will increase, obligation is reduced). At idle (minimum throttle), the obligation is at max (60). At wot (huge open throttle), the duty is at min (zero or off). Observe that the laptop solenoid takes the location of the throttle valve cable on earlier transmissions. Inside the tunerstudioms interface, the zero-60 sign has been transformed to a 40-a hundred sign, in which 100 way maximum line pressure, and 40 manner minimal line pressure. This *ought to* be extra intuitive for the person, hopefully. All solenoids percentage common 12v line on pin e (besides stress control solenoid, which has its own 12 volt supply on pin c) and are switched on and stale with ground. Shift patternsol a (1-2/3-4) output1sol b (2-3) output23-2 sol output3tcc sol (lu)lockup feel***stress manage solenoid solratio parkononon #on *n/a reverseonon on #on *2.294 neutralononon #on *n/a 1stononon #on *3.059 2ndoffonon ***on/off**on #on *1.625 3rdoffoffon ***on/off**on #on *1.000 4thonoffon ***on #on * zero.696 luonoffon ***on**on #on *n/a * the pressure control solenoid controls important line stress, pulsed at zero-60 obligation cycles at 293 hertz. There is no cleaning pulse (dither) each 10 seconds on this transmission (not like the 4l80e). ** The tcc is pulsed (frequency is 32 hertz, with duty cycle numerous). Most modern need to no longer exceed 1.5 amps. *** The 3-2 sol is pulsed at 50 hertz, zero responsibility in 1st, 90 obligation in all different gears. During a 3-2 downshift, the obligation is decreased and this responsibility is related to the automobile pace; decrease velocity, lower duty. # The lock-up experience (luf) solenoid changed into probably installed excessive give up cadillacs for seamless shifting. In first gear, at about 13 km/h (8 mph), the oem european pulses the luf (aka. Tcc pwm) solenoid valve at approximately ninety percent obligation cycle. This obligation cycle is maintained till a tcc practice is commanded. While vehicle operating situations are suitable to apply the tcc, the oem ecu at once decreases the responsibility cycle to zero percent, then increases it to approximately 25. The oem european then ramps the duty cycle as much as approximately 50 to attain regulated practice pressure in motors equipped with the electronically managed seize capability (eccc). With the eccc system, the strain plate does now not fully lock to the torque converter. Instead a steady slip of 20 to 40 rpm is maintained. The fee of increase of the responsibility cycle controls the tcc observe charge. Similarly, the pcm also ramps down the luf solenoid obligation cycle to control tcc launch. With a few high torque or excessive car speeds, the converter seize is absolutely locked with the aid of the oem european. Solenoids: solenoidresistance (ohms at sixty eight°f)traditional inductance (millihenries) solenoid a20 - 4043.0 solenoid b20 - 4043.Zero 3-2 solenoid9 - 1414.1 tcc20 - 4056.Nine lu feel10 - 11.5not regarded strain control3.5 - four.58.1 strain transfer manifold the pressure switch manifold (psm) is a more than one switch meeting which includes 3 typically open (no) pressure switches and 2 generally closed (n/c) strain switches. Fluid from diverse hydraulic manage circuits is fed to this the stress transfer manifold which lets in the ecu to decide which equipment the shift lever is presently shifted into (now not necessarily the actual tools the transmission is in). The transfer contacts are generally open and close whilst fluid pressure causes them to. Depending upon the circuit, the switch might also provide a floor direction whilst closed. The table underneath shows a pin this is grounded with the aid of the psm as a "zero", at the same time as an open circuit shows a 12 (volts). Gearpin n input1pin r input2pin p input3 parkhighlowhigh reverselowlowhigh neutralhighlowhigh 4th (overdrive)highlowlow 3rd (drive)highhighlow 2ndhighhighhigh 1stlowhighhigh case connector pinfunction asol a (1-2/3-four) switched gnd output1 bsol b (2-3) switched gnd output2 e 12 energy npressure switch a input1 rpressure switch b input2 ppressure switch c input3 mtemperature sensor gnd ltemperature sensor signal s3-2 solenoid switched gnd output3 dpressure control solenoid switched gnd cpressure control solenoid 12v ulu feel solenoid switched gnd ttcc solenoid switched gnd foremost line stress tap megashift has a line stress sensing/logging function constructed it. It is digikey msp6907-nd for $114. It's a 0.Five-four.Five volt output (accuracy &plusminus;five psi), and has just a three cord hookup: 5v from vref on ampseal pin #28, ground, and signal to ampseal pin #27. It has a 1/eight npt becoming - similar to the transmission port. However, a ninety° elbow, or maybe even some tubing, could be required in most installs to preserve the sensor away from the transmission tunnel. 4l60e temperature sensor output °c°f r (ohms) -40-40 100544 -28 -21 52426 -16 -10 18580 -four 23 12300 zero 32 9379 7 40 7270 19 sixty eight 3520 31 86 2232 43 one hundred ten 1200 55 131 858 67 a hundred forty five 675 seventy nine 176 333 ninety one 194 241 103 213 154 115 239 one hundred fifteen 127 260 79 139 284 60 151 302 47 megasquirt® and microsquirt® controllers are experimental gadgets intended for academic functions. Megasquirt® and microsquirt® controllers aren't on the market or use on pollutants controlled cars. Take a look at the laws that apply to your locality to determine if the use of a megasquirt® or microsquirt® controller is criminal in your utility. ? 2004, 2016 bruce bowling and al grippo. All rights reserved. Megasquirt® and microsquirt® are registered emblems. 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Inputs to gpio pinfunction ltemperature sensor sign mtemperature sensor gnd npressure switch a (aka. Input1) rpressure transfer b (aka. Input2) ppressure switch c (aka. Input3) n/a2wd/four wheel drive input (ground for four wheel drive) n/avehicle velocity sensor (vss) - has its own 2-pin connector.