diff --git a/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp b/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp
index 2cf98cf261..7fa86903c1 100644
--- a/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen121nissan/board_configuration.cpp
@@ -76,8 +76,8 @@ static void setupDefaultSensorInputs() {
 	// todo: this requires unit test change
 	engineConfiguration->camInputs[1 * CAMS_PER_BANK] = GPIOA_7;
 
-	engineConfiguration->tps1_1AdcChannel = EFI_ADC_4;
-	engineConfiguration->tps1_2AdcChannel = EFI_ADC_8;
+	engineConfiguration->tps1_1AdcChannel = H144_IN_TPS;
+	engineConfiguration->tps1_2AdcChannel = H144_IN_AUX1;
 
 	engineConfiguration->throttlePedalPositionAdcChannel = EFI_ADC_3;
 	engineConfiguration->throttlePedalPositionSecondAdcChannel = EFI_ADC_14;
@@ -86,9 +86,9 @@ static void setupDefaultSensorInputs() {
 
 	engineConfiguration->afr.hwChannel = EFI_ADC_1;
 
-	engineConfiguration->clt.adcChannel = EFI_ADC_12;
+	engineConfiguration->clt.adcChannel = H144_IN_CLT;
 
-	engineConfiguration->iat.adcChannel = EFI_ADC_13;
+	engineConfiguration->iat.adcChannel = H144_IN_IAT;
 
 	engineConfiguration->auxTempSensor1.adcChannel = EFI_ADC_NONE;
 	engineConfiguration->auxTempSensor2.adcChannel = EFI_ADC_NONE;
diff --git a/firmware/config/boards/hellen/hellen_meta.h b/firmware/config/boards/hellen/hellen_meta.h
index e1490e8867..452961cea4 100644
--- a/firmware/config/boards/hellen/hellen_meta.h
+++ b/firmware/config/boards/hellen/hellen_meta.h
@@ -38,6 +38,17 @@
 #define H144_OUT_IO12 GPIOA_8
 #define H144_OUT_IO13 GPIOG_6
 
+// IN_CLT AIN11 PC2
+#define H144_IN_CLT EFI_ADC_12
+#define H144_IN_IAT EFI_ADC_13
+
+// IN_TPS AIN17 PA4
+#define H144_IN_TPS EFI_ADC_4
+
+#define H144_IN_AUX1 EFI_ADC_8
+//
+#define H144_IN_AUX2 EFI_ADC_14
+
 #define H176_LS_1 GPIOG_7
 #define H176_LS_2 GPIOG_8
 #define H176_LS_3 GPIOD_11