Shift to First
Shift to First
This node is only available if Shift to First Enable is on in the Transmission Control function.
A car where the ECU only controls up-shifts in a sequential transmission will often use this in drag race scenarios. It should be configured so that the ECU will think it's in 1st gear when the driver uses a mechanism to put it into 1st gear. It's ok for one to happen before the other.
A car where the ECU is configured so auto shifts only shift up in normal situations will use this to go back to first gear when appropriate (e.g. when stationary).
A car where the ECU is configured so auto shifts only shift up in normal situations will use this to go back to first gear when appropriate (e.g. when stationary).
Because conditions for this could vary significantly between vehicles, a generic triplet of conditions are used to provide sufficient flexibility.
Because this typically happens when the vehicle is stationary, care must be taken in vehicles with clutches to ensure the clutch is disengaged by the driver.
Note that if Shift To First is enabled, then it has second highest priority when determining whether to shift gears. Spool-up Gear has highest priority (if enabled), then Shift To First, then paddles, then Auto-shift.
Number of Conditions - Selects the number of channels, up to 3, that will be used as conditions to shift to first gear even when normal auto shift points don't cause a shift to first gear.
Select - Select the ECU channel to be used.
Maths - A selection of Equal To, Not Equal To, Greater Than, Less Than, Greater Than Or Equal To, Less Than Or Equal To that is to be used.
Value - The value the maths must meet to enable the condition.
Combiner - Allows conditions to be combined so that multiple conditions must be met to activate a shift to first.
Related Articles
Flat Shift Link Delay
Flat Shift Link Delay Table This table is only available if Flat Shift Link Option is enabled in the Transmission Control function. How much time between the Flat Shift Torque Reduction and/or Throttle Blip and the Transmission Control outputs ...Shift Inhibit
Shift Inhibit Table The Shift Inhibit table allows the tuner to prevent gear shifts which are either unwanted and/or dangerous. track. Shift Inhibit will only block shifts if the functionality is enabled and the specific shift is listed on the left ...Transmission Control
Transmission Control The Transmission Control function is able to control multiple styles of transmission. Some conventional automatic transmissions such as the Toyota A340e, pneumatically actuated sequential transmissions, as well as pneumatically ...Shift Duration
Shift Duration Table The Shift Duration table determines how long the outputs are on for during a shift. Most applications with regulated air pressure will use a single cell in the table. An application without regulated pressure supply might require ...RPM Shift Point
RPM Shift Point Table This table is only available if RPM Shift Point Enable is on in the Transmission Control function. Like the Auto Mode Shift Points Table, this is a special table which behaves differently to normal tables. The left axis is fixed ...