Speed Sensors and wiring for Honda K-Series K20/K24

Honda changed their transmissions from a ring gear driven speed sensor and went to a countershaft speed sensor. The plug can be rewired to suit the appropriate plug with the information I’ve collated below. You will then need to define what type of sensor you have in your programable ECU or use a converter if required.

Later Style Pins
02-04 RSX/DC505 DC5 Integra/RSX06 Accord Euro/TSXPin to suit 05/06 Gearbox
(see above for reference)
Pin to suit 02-04 Gearbox
(see above for reference)
Sensor GroundBlackBrown/YellowGreen/White31
VCC/Sensor PowerBlack/YellowYellow/BlueYellow/Red12
VSS SignalWhite/GreenBlack/BlueBlue23
Wiring Colours for Honda Speed Sensors plugs and the PIN location to modify to use later style CSS

Pictures of each plug below

02-04 Speed Sensor:

  1. Black – Ground
  2. Black/Yellow – VCC
  3. White/Green – VSS Signal

05 DC5 Integra/RSX

  1. Yellow/Blue – VCC
  2. Black/Blue – VSS Signal
  3. Brown/Yellow – Sensor Ground

06 Accord Euro/TSX

  1. Yellow/Red – VCC
  2. Blue – VSS Signal
  3. Green/White – Sensor Ground