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Now that the solenoid is being triggered by E21, you must update the output settings inside the Hondata K-Series ECU Editor software. (KManager)

Make sure you have the most recent Hondata software version. Update your calibration and software before changing the output.

Locate the "Nitrous 1" Tab inside the KManager software.

Locate the Nitrous Control drop-down box. Change the output function to Reverse Lockout. This allows the KPRO to control the Reverse Lockout solenoid through a specified output.

Locate the Arming Input drop-down box. Change the input to Always on. This will ensure that the reverse lockout solenoid activates regardless of other conditions.

Locate the Output Control drop-down box. (It says to use a relay. However, Hondata mentions it is not necessary for the Reverse Lockout.)

Choose E21 VSV - EVAP vent (GND=on)

Conditions: This adjusts the minimum / maximum vehicle speed for the solenoid to activate. The default is 10mph. You can raise or lower this if you wish. Once you have completed these selections, upload the changes to the ECU to complete the solenoid control.