4l80e Speed Sensor Diagram

By speedway tech team.

4l80e speed sensor diagram. Testing 2 and 3 wire speed sensors. This is a computer controlled transmission first introduced in gm. Includes vss vehicle speed sensor wiring transmission wiring if applicable and. The 4l80e has an input shaft speed sensor with 31 teeth.

Addition of a 4wd switch on all 4wd models. Need illustrated parts drawing to assist you in identification of the parts that you might need. The early 4l80e pressure control solenoid is pwm at 293 hertz same as the 4l60e. Connector and vehicle speed sensor connector.

Testing either a 2 or 3 wire hall effect speed sensor is a relatively easy task and one that can save you quite a bit of money in the long run. Your vehicle could start to act like it has a bad coil pack or throttle position sensor and after testing those you may still. Having problems with your 4l80e gm automatic transmission that is used in heavy duty chevrolet and gmc pickups vans and motor homes. The sensor monitors several different engine and transmission functions and sends the information to the on board computer.

Codes can be cleared by. How to check transmission speed sensors by jeremy holt. Later models apparently use 614 hertz. A new wiring harness and connector.

4l80e updates many electrical changes have occurred in the 4l80e transmission for the 1994 model year these include. Input speed sensor trans 4l60e to 4l80e this harness is designed to be a complete wiring system for the fuel injection system used on general. If you are using a later model 4l80e apparently at the beginning of the 1994 model year change the pc pwm period to 1629 milliseconds. These are only two connections needed for both 4l60e 65e or a 4l80e 85e transmissions.

Can find replacement here. Tech videos electrical lighting and wiring. New shift solenoids ab. Just identify the parts you need and give us a call.

In this video i show you step. A trouble shooting overhaul guide is also available to assist you. Light duty trucks for 1991. See figure 1 for the pin out of required connections.

Set pulsesrevolution 31. Should do this before you replace. Changes in vehicle speed sensor circuitry and components. Gm 4l80e technical information the 4l80e transmission is a four speed automatic with torque converter clutch.

How to test the wiring for you vss vehicle speed sensor. A vehicle speed sensor is a permanent magnet generator attached to the transmission under the vehicle. The only way to retrive trouble codes is with a scanner such as tech 2 snap on otc or equivelent. If your abs light is on transmission is slipping andor speedometer is inaccurate your vehicle or transmission or transfer case speed sensor may be the culprit.

It is triggered by the turning of the transmission shaft. Httpsamznto2yvgyec this is for 1990 to 1993 honda accord.