Favorite 4L60E Wiring Diagram MegaShift 4L60E

Favorite 4L60E Wiring Diagram MegaShift 4L60E
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4l60e wiring diagram - Inputs to gpio pinfunction ltemperature sensor signal mtemperature sensor gnd npressure transfer a (aka. Input1) rpressure transfer b (aka. Input2) ppressure transfer c (aka. Input3) n/a2wd/4wd input (floor for four wheel drive) n/avehicle velocity sensor (vss) - has its very own 2-pin connector. On ms-ii controllers, the can paths are: canh: cpu pin pm0 (#forty five) → 40-pin socket pin 6 → js6 jumper to spr1/canh → db37 pin 3, canl: cpu pin pm1 (#forty four) → 40-pin socket pin 11 → js8 jumper to spr2/canl → db37 pin 4. Outputs from gpio pinfunctioncontrollimits asol a (1-2/three-4) switched gnd (aka. Output1)on/off20-40 ohms (0.Seventy five amps max.) Bsol b (2-3) switched gnd (aka. Output2)on/off20-forty ohms (zero.75 amps max.) Cpressure manipulate solenoid highpower (nominal 12v)switched 12v from harness dpressure manage switched gndpwm (293hz)zero to 60 (3.Five - four.6 ohms at 20°c, 1.1 amps max.) E 12 volt powerhigh (nominal 12v)switched 12v from harness ulock-up experience solenoid switched gnd no longer constantly usedpwm (32 hertz) 10-eleven.Five ohms at 20°c s3-2 sol switched gnd (aka. Output3)pwm (50hz)9-14 ohms at 20°c ttorque converter grab solenoid switched gndon/off20-40 ohms (1.5 amps max.). Notes: for the pressure manipulate (laptop) solenoid: you want a minimal 4.7 ohm (or better resistance - up to ~10 ohms), 10 watt (or more) resistor (inclusive of digi-key 4.7cwbk-nd, $1.67) on the stress manipulate solenoid wire 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 (most pwm possibilities). As a end result, the resistor can get hot, so mount it on a heat sink (preferably a metallic block) in an area with lots of air flow. At the side of that resistor, you will want a 1n4001 recirculation diode placed between pin c and d on the 4l60e connector (the closer to the transmission connector the higher). Be cautious to orient the diode effectively. Those extra outside components reduce the flyback spikes from the solenoid to attainable degrees preventing harm to various gpio board additives and probably cleansing up external alerts which includes the vss. Any solenoid this is pulse width modulated (which include the shift solenoid outputs, tcc, and luf), if they're pwm'd) require that you positioned a flyback diode on the solenoid. The illustrated commands are right here: recirculation diode commands. Deploy an external diode among that solenoid's voltage supply and the line going to the gpio board. The banded stop of the diode is going to the voltage supply twine, the non-banded cease of the diode goes to the road to the gpio board. Install the diode as near the solenoid as is convenient. The 1n4001 diode is hooked up externally to keep away from bringing excessive-voltage noise into the gpio. 1n4001 diodes are to be had at definitely any electronics supply store. With out this outside diode inside the pwm circuits, you can damage some inner additives. The four resistors for the leds can be 330 to 390 ω, ¼ watt. In case you want a 'mode choice switch' to force automobile mode or permit manual mode, you can do this with a switch and two diodes (1n4001 or equivalent): (this circuit best works with 'shift button polarity' = "active low".) Whilst the mode switch is closed, vehicle mode will be used, no matter what you do with the shift buttons. If the mode transfer is open, pushing both the upshift button or downshift button will positioned you in guide mode (and pushing each or switching the mode pick switch to car will placed you lower back in automobile mode). Sensors: the 4l60e uses three sorts of sensors: temperature sensor, used to decide tcc lock-up, three pressure switches (now not that these are on occasion known as 'transmission strain switches, tps, however they ought to not be burdened with the throttle function sensor), used to decide the currently selected tools (i.E., The shift lever position), car pace sensor (variable reluctance [vr] kind), used for a number of criteria. Notes: there's an early and a overdue version of the 4l60e transmission. The distinction is the addition of the "lockup feel" solenoids (aka. Tcc pwm solenoid). Vss (vehicle speed sensor) on 2wd motors is in transmission extension housing, on 4wd motors the vss is in transfer-case. The european additionally senses a brake switch and turns off the tcc solenoid on every occasion brakes are implemented. Tcc lock-up solenoid is typically best energized in 4th equipment, if the transmission temperature is above 250°f it will energize it in second and third as nicely. Responsibility cycle on the strain manage solenoid is inversely proportional to the throttle perspective (as throttle perspective will increase, responsibility is reduced). At idle (minimum throttle), the duty is at max (60). At wot (wide open throttle), the responsibility is at min (0 or off). Note that the pc solenoid takes the region of the throttle valve cable on earlier transmissions. In the tunerstudioms interface, the 0-60 sign has been converted to a 40-100 signal, where one hundred method most line pressure, and 40 means minimum line stress. This *ought to* be more intuitive for the person, optimistically. All solenoids share commonplace 12v line on pin e (except strain control solenoid, which has its very own 12 volt supply on pin c) and are switched on and rancid with ground. Shift patternsol a (1-2/three-four) output1sol b (2-three) output23-2 sol output3tcc sol (lu)lockup feel***strain manipulate 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 strain manipulate solenoid controls primary line pressure, pulsed at 0-60 obligation cycles at 293 hertz. There is no cleansing pulse (dither) every 10 seconds on this transmission (unlike the 4l80e). ** The tcc is pulsed (frequency is 32 hertz, with obligation cycle various). Most present day must not exceed 1.5 amps. *** The 3-2 sol is pulsed at 50 hertz, zero duty in 1st, ninety responsibility in all other gears. During a three-2 downshift, the responsibility is decreased and this duty is related to the car pace; lower velocity, lower duty. # The lock-up sense (luf) solenoid become probable put in high cease cadillacs for seamless shifting. In first tools, at about 13 km/h (8 mph), the oem eu pulses the luf (aka. Tcc pwm) solenoid valve at about ninety percentage obligation cycle. This obligation cycle is maintained till a tcc observe is commanded. While car operating conditions are suitable to use the tcc, the oem european without delay decreases the obligation cycle to zero percent, then will increase it to approximately 25. The oem eu then ramps the responsibility cycle as much as about 50 to achieve regulated observe stress in vehicles equipped with the electronically managed clutch ability (eccc). With the eccc system, the strain plate does now not absolutely lock to the torque converter. Alternatively a consistent slip of 20 to 40 rpm is maintained. The price of growth of the obligation cycle controls the tcc practice price. In addition, the pcm also ramps down the luf solenoid responsibility cycle to manipulate tcc release. With some high torque or excessive car speeds, the converter clutch is fully locked by using the oem ecu. Solenoids: solenoidresistance (ohms at sixty eight°f)normal inductance (millihenries) solenoid a20 - 4043.Zero solenoid b20 - 4043.Zero three-2 solenoid9 - 1414.1 tcc20 - 4056.9 lu feel10 - 11.5not recognized stress control3.Five - four.Fifty eight.1 pressure switch manifold the pressure transfer manifold (psm) is a multiple switch meeting which includes three commonly open (no) strain switches and 2 typically closed (n/c) pressure switches. Fluid from diverse hydraulic manipulate circuits is fed to this the strain transfer manifold which allows the eu to decide which gear the shift lever is currently shifted into (not necessarily the actual gear the transmission is in). The switch contacts are typically open and close when fluid stress reasons them to. Relying upon the circuit, the transfer can also offer a ground course when closed. The desk beneath shows a pin that is grounded by means of the psm as a "0", even as an open circuit shows a 12 (volts). Gearpin n input1pin r input2pin p input3 parkhighlowhigh reverselowlowhigh neutralhighlowhigh 4th (overdrive)highlowlow 3rd (power)highhighlow 2ndhighhighhigh 1stlowhighhigh case connector pinfunction asol a (1-2/three-4) switched gnd output1 bsol b (2-3) switched gnd output2 e 12 strength npressure switch a input1 rpressure switch b input2 ppressure switch c input3 mtemperature sensor gnd ltemperature sensor sign s3-2 solenoid switched gnd output3 dpressure manage solenoid switched gnd cpressure manage solenoid 12v ulu feel solenoid switched gnd ttcc solenoid switched gnd predominant line stress tap megashift has a line pressure sensing/logging characteristic built it. It's far digikey msp6907-nd for $114. It is a zero.5-4.5 volt output (accuracy &plusminus;5 psi), and has only a three cord hookup: 5v from vref on ampseal pin #28, ground, and sign to ampseal pin #27. It has a 1/8 npt fitting - similar to the transmission port. But, a 90° elbow, or maybe even a few tubing, can be required in maximum installs to hold the sensor far from the transmission tunnel. 4l60e temperature sensor output °c°f r (ohms) -forty-forty 100544 -28 -21 52426 -16 -10 18580 -4 23 12300 zero 32 9379 7 40 7270 19 68 3520 31 86 2232 43 110 1200 55 131 858 sixty seven a hundred forty five 675 79 176 333 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 meant for educational functions. Megasquirt® and microsquirt® controllers are not on the market or use on pollutants controlled motors. Test the laws that apply for your locality to determine if the use of a megasquirt® or microsquirt® controller is felony on your application. ? 2004, 2016 bruce bowling and al grippo. All rights reserved. Megasquirt® and microsquirt® are registered emblems. This file is purely for the help of megasquirt® boards from bowling and grippo. 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 pressure sensorad4egt227 2wd/4 wheel drive switchpe1gpi15 spare output1 (lu feel/grab)pt7vb1 (jumper)eleven spare output2 (seize)pa0vb212.

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