Feature
VAC Type ISF is a device that cancels speed limiter of IS F for circuit driving.
CANBUS signal, which controls whole vehicle systems, will be used for cancellation of speed limiter. Thus, speed limiter is cancelled safely and surely.
Function
Speed limiter cancellation function
Option speed signal output function
Advantage
As it is an external device, even if data of stock ECU is reflashed, functions of VAC Type ISF can be used.
If option vehicle speed analog output wire that outputs converted signal from CANBUS system, is connected to Circuit Attack Counter, Turbo Timer, EVC etc., car speed can be monitored (Car speed pulse 4).
Stock meter (340km/h) and the multi function meter can show actual vehicle speed.
Installation
It is connected to ECU harness in the engine compartment directly with vehicle specified harness without any modification.
VAC Type ISF unit will be fixed in the foot space of navigator side.
Remark
"IS F" logo in the acryl window of VAC unit will appear when LED in the unit flashes during power is on.
In case "IS F" logo does not appear, power or ground connection may have problem.
After power is turned on, "IS F" logo blinks for a while. Then, keep flashing. This is not error code.

NOTICE:
The VAC is only for motorsport intend. There's no warranty on our side or the Lexus OEM warranty. Maybe the speed index of the tyres musst be changed in additional. This product is an original HKS brand part, imported from Japan. The delivery time takes approx 3-6 weeks on special order!