Civic L4-1668cc 1.7L SOHC MFI (2003)
8. Connect the GRN test harness clip (D) to the positive probe of a voltmeter.
Is there 5 V or more?
YES - Go to step 9.
NO - Repair short or open in the BLU/WHT or WHT/GRN wire between the VSS and the cruise control unit, or the ECM/PCM.
9. Turn the ignition switch OFF.
10. Connect the other test harness connector (A) to the VSS(B).
11. Raise the front of the vehicle, and make sure it is securely supported.
12. Put the vehicle in neutral with the ignition switch ON (II).
13. Slowly rotate one wheel with the other wheel blocked.
Does voltage pulse from 0 to about 5 V or more?
YES - Go to step 14.
NO - Replace the VSS.