diff --git a/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp b/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp
index 5c4317bc30..318320b989 100644
--- a/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp
@@ -118,7 +118,7 @@ void setBoardDefaultConfiguration() {
 	engineConfiguration->isSdCardEnabled = true;
 
 	engineConfiguration->enableSoftwareKnock = true;
-	engineConfiguration->canNbcType = CAN_BUS_NISSAN_VQ;
+	engineConfiguration->canNbcType = CAN_BUS_NBC_NONE; // none because handled by Lua!
 
 	engineConfiguration->canTxPin = Gpio::D1;
 	engineConfiguration->canRxPin = Gpio::D0;
diff --git a/firmware/config/engines/nissan_vq.cpp b/firmware/config/engines/nissan_vq.cpp
index f069783101..2592c2ef12 100644
--- a/firmware/config/engines/nissan_vq.cpp
+++ b/firmware/config/engines/nissan_vq.cpp
@@ -27,6 +27,90 @@ void setHellen121nissanQR() {
 }
 
 void setHellen121nissanVQ() {
+	// by definition this should be a copy-paste of https://github.com/rusefi/rusefi/blob/master/firmware/controllers/lua/examples/350z-ac.txt
+	strncpy(config->luaScript, R"(
+canRxAdd(0x35d)
+
+setTickRate(100)
+t = Timer.new()
+t : reset()
+
+globalAcOut = 0
+
+function onTick()
+	local RPMread = math.floor(getSensor("RPM") + 0.5) / 3.15
+	local RPMhi = RPMread / 256
+	local RPMlo = RPMread
+	local CLTread = math.floor(getSensor("CLT") + 0.5)
+
+	--print('ac out = ' ..globalAcOut)
+	if globalAcOut == 1 and RPMread >80 then
+		fanPayloadOff = { 0x88, 0x00 }
+		fanPayloadLo = { 0x88, 0x00 }
+		fanPayloadHi = { 0x88, 0x00 }
+	else
+		--print('ac off payload')
+		fanPayloadOff = { 0x00, 0x00 }
+		fanPayloadLo = { 0x40, 0x00 }
+		fanPayloadHi = { 0x80, 0x00 }
+	end
+
+	cltGauge = 0x00
+	-- acOut = {0x32, 0x80, 0x00, 0x10, 0x00, 0x00}
+	-- txCan(1, 0x625, 0,acOut)
+
+	-- clt gauge stuff
+	if CLTread < 115 then
+		-- txCan(1, 0x608, 0, canCLTpayloadNo)
+		cltGauge = math.floor(CLTread * 1.5 + 0.5)
+	elseif CLTread >= 115 then
+		-- txCan(1, 0x608, 0, canCLTpayloadHi)
+		cltGauge = 0xF0
+	end
+	-- print('clt gauge = '..cltGauge)
+	-- rpm fun stuff
+	if t : getElapsedSeconds() < 2 then
+		CLTandRPM = { 0x00, 0x18, 0x0C, 0x01, 0x0A, 0x87, 0xFF, 0xFF }
+	else
+		CLTandRPM = { 0x00, 0x18, 0x0c, RPMlo, RPMhi, 0x87, 0xFF, cltGauge }
+	end
+
+	txCan(1, 0x23D, 0, CLTandRPM) -- transmit CLT and RPM
+
+
+
+	if RPMread > 80 then
+		if CLTread <= 80 then
+			txCan(1, 0x1F9, 0, fanPayloadOff)
+		elseif CLTread >= 85 and CLTread < 90 then
+			txCan(1, 0x1F9, 0, fanPayloadLo)
+		elseif CLTread >= 90 then
+			txCan(1, 0x1F9, 0, fanPayloadHi)
+		end
+	else
+		txCan(1, 0x1F9, 0, fanPayloadOff)
+	end
+	-- print('CLT temp' ..CLTread)
+end
+
+
+function onCanRx(bus, id, dlc, data)
+	--print('got CAN id=' ..id ..' dlc=' ..dlc)
+	--print('ac value is= '..data[1])
+	if data[1] == 193 then
+		setAcRequestState(true)
+		globalAcOut = 1
+		--print('ac is on')
+	else
+		setAcRequestState(false)
+		globalAcOut = 0
+		--print('ac is off')
+	end
+
+end
+)", efi::size(config->luaScript));
+
+
 	engineConfiguration->trigger.type = TT_NISSAN_VQ35;
 
 	engineConfiguration->specs.cylindersCount = 6;