diff --git a/firmware/config/boards/proteus/connectors/white35.yaml b/firmware/config/boards/proteus/connectors/white35.yaml
index 5f9ceee968..51aeddcf9d 100644
--- a/firmware/config/boards/proteus/connectors/white35.yaml
+++ b/firmware/config/boards/proteus/connectors/white35.yaml
@@ -79,7 +79,7 @@ pins:
     id: [A4, EFI_ADC_4]
     class: [switch_inputs, analog_inputs]
     ts_name: Analog Volt 9
-    function: "Analog Voltage Input #9"
+    function: "Analog Voltage Input #9 (PPS)"
     type: av
 
   - pin: 18
diff --git a/firmware/config/boards/proteus_meta.h b/firmware/config/boards/proteus_meta.h
index bb5294d7b6..b7f54d081d 100644
--- a/firmware/config/boards/proteus_meta.h
+++ b/firmware/config/boards/proteus_meta.h
@@ -112,6 +112,7 @@
 
 // PA4
 #define PROTEUS_IN_ANALOG_VOLT_9 EFI_ADC_4
+#define PROTEUS_IN_PPS PROTEUS_IN_ANALOG_VOLT_9
 
 // PA5
 #define PROTEUS_IN_ANALOG_VOLT_10 EFI_ADC_5
diff --git a/firmware/config/engines/bmw_m73.cpp b/firmware/config/engines/bmw_m73.cpp
index 7926a78d84..ac3089512d 100644
--- a/firmware/config/engines/bmw_m73.cpp
+++ b/firmware/config/engines/bmw_m73.cpp
@@ -252,7 +252,7 @@ void setEngineBMW_M73_Proteus() {
 
 	// 12 injectors defined in boards/proteus/board_configuration.cpp
 	// set_analog_input_pin pps pa4
-	engineConfiguration->throttlePedalPositionAdcChannel = PROTEUS_IN_ANALOG_VOLT_9;
+	engineConfiguration->throttlePedalPositionAdcChannel = PROTEUS_IN_PPS;
 
 	strcpy(engineConfiguration->vehicleName, "Using Proteus");
 
diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index e1e33b50e3..2316bdaa55 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -626,11 +626,11 @@ void proteusBoardTest() {
 	engineConfiguration->ignitionPins[4] = PROTEUS_IGN_6;
 	engineConfiguration->ignitionPins[5] = PROTEUS_IGN_7;
 
-	engineConfiguration->ignitionPins[6] = Gpio::D15;// "Highside 3"    # pin 13/black35
+	engineConfiguration->ignitionPins[6] = PROTEUS_HS_3;
 	engineConfiguration->ignitionPins[7] = PROTEUS_IGN_3;
 	engineConfiguration->ignitionPins[8] = PROTEUS_IGN_9;
 	engineConfiguration->ignitionPins[9] = PROTEUS_IGN_8;
-	engineConfiguration->ignitionPins[10] = PROTEUS_IGN_1;
+	engineConfiguration->ignitionPins[10] = PROTEUS_HS_1;
 	engineConfiguration->ignitionPins[11] = PROTEUS_IGN_12;