Aveo 2006-2007

Vehicle Speed Sensor

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Operation



The Vehicle Speed Sensor (VSS) is located on the upper position of the transaxle and detects the vehicle speed from the rotation number of the differential gear.

Removal & Installation



  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the Vehicle Speed Sensor (VSS) electrical connector.
  4.  
  5. Remove the VSS sensor retaining bolt.
  6.  
  7. Remove the VSS sensor from the transaxle.
  8.  

To install:

  1. Lubricate a new O-ring with clean automatic transmission fluid and install the O-Ring to the VSS.
  2.  
  3. Install the VSS and tighten the retaining bolts to 65 inch lbs. (74 Nm).
  4.  
  5. Connect the VSS electrical connector.
  6.  
  7. Connect the negative battery cable.
  8.  

Testing



  1. Remove the connector of vehicle speed sensor, connect 12 volt power supply and voltmeter to the terminal. Do not mistake polarity.
  2.  
  3. Rotate the driven gear.
  4.  
  5. Observe the voltage. The voltage value will change from approximately 0 to 12 to 0 volts per pulse. There will be 4 pulses per revolution.
  6.  
  7. If the result of the inspection is bad, replace the vehicle speed sensor.
  8.  

 
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