diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index 33d77f33fc..ea9acf9d2b 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -4,6 +4,17 @@
  * MAZDA_MIATA_2003
  * set engine_type 47
  *
+ * coil1/4          (p1 +5 VP)    GPIOE_14
+ * coil2/2          (p1 +5 VP)    GPIOC_9
+ * tachometer +5 VP (p3 +12 VP)   GPIOE_8
+ * alternator +5 VP (p3 +12 VP)   GPIOE_10
+ * ETB PWM                        GPIOE_6 inverted low-side with pull-up
+ * ETB dir1                       GPIOE_12
+ * ETB dir2                       GPIOC_7
+ *
+ * COP ion #1                     GPIOD_8
+ * COP ion #3                     GPIOD_9
+ *
  * @date Oct 4, 2016
  * @author Andrey Belomutskiy, (c) 2012-2019
  * http://rusefi.com/forum/viewtopic.php?f=3&t=1095
@@ -20,14 +31,15 @@
  * Cam     vvt input              PC6 (3G in Miata board)       blue
  * Wideband input                 PA3 (3J in Miata board)
  *
- * coil1/4          (p1 +5 VP)    PE14
- * coil2/2          (p1 +5 VP)    PC7
+ * coil1/4          (p1 +5 VP)    GPIOE_14
+ * coil2/2          (p1 +5 VP)    GPIOC_7
  *
- * tachometer +5 VP (p3 +12 VP)   PE8
- * alternator +5 VP (p3 +12 VP)   PE10
+ * tachometer +5 VP (p3 +12 VP)   GPIOE_8
+ * alternator +5 VP (p3 +12 VP)   GPIOE_10
+ *
+ * VVT solenoid on aux PID#1      GPIOE_3
+ * warning light                  GPIOE_6
  *
- * VVT solenoid on aux PID#1      PE3
- * warning light                  PE6
  *
  * idle solenoid                  PC13 on middle harness plug. diodes seem to be in the harness
  */
@@ -331,7 +343,7 @@ void setMazdaMiata2003EngineConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 
 
 
-	boardConfiguration->malfunctionIndicatorPin = GPIOE_6; // just for a test
+	boardConfiguration->malfunctionIndicatorPin = GPIOE_0;
 
 
 //	boardConfiguration->malfunctionIndicatorPin = GPIOD_9;
@@ -376,6 +388,37 @@ void setMazdaMiata2003EngineConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	// set idle_rpm 1700
 	// see setDefaultIdleParameters
 
+	// VNH2SP30 three-wire ETB control
+	// PWM
+	boardConfiguration->etb1.controlPin1 = GPIOE_6;
+	boardConfiguration->etb1.controlPinMode = OM_INVERTED;
+	//
+	boardConfiguration->etb1.directionPin1 = GPIOE_12;
+	//
+	boardConfiguration->etb1.directionPin2 = GPIOC_7;
+
+	// set_analog_input_pin tps PC3
+	engineConfiguration->tps1_1AdcChannel = EFI_ADC_13; // PC3
+
+	engineConfiguration->idleMode = IM_AUTO;
+	CONFIGB(useETBforIdleControl) = true;
+	// set_analog_input_pin pps PA2
+	engineConfiguration->throttlePedalPositionAdcChannel = EFI_ADC_2;
+
+	engineConfiguration->idleRpmPid.offset = 0;
+	engineConfiguration->idleRpmPid.pFactor = 0.2;
+	engineConfiguration->idleRpmPid.iFactor = 0.0001;
+	engineConfiguration->idleRpmPid.dFactor = 5;
+	engineConfiguration->idleRpmPid.periodMs = 10;
+
+	engineConfiguration->bc.isFasterEngineSpinUpEnabled = true;
+
+	//set etb_p 12
+	engineConfiguration->etb.pFactor = 12; // a bit lower p-factor seems to work better on TLE9201? MRE?
+	engineConfiguration->etb.iFactor = 	0;
+	engineConfiguration->etb.dFactor = 0;
+	engineConfiguration->etb.offset = 0;
+
 }
 
 /**
diff --git a/firmware/controllers/actuators/electronic_throttle.cpp b/firmware/controllers/actuators/electronic_throttle.cpp
index d472272a8c..9b243fd19c 100644
--- a/firmware/controllers/actuators/electronic_throttle.cpp
+++ b/firmware/controllers/actuators/electronic_throttle.cpp
@@ -123,12 +123,13 @@ public:
 	
 	void start(bool useTwoWires, 
 			brain_pin_e pinEnable,
-			pin_output_mode_e pinEnableMode,
+			// since we have pointer magic here we cannot simply have value parameter
+			pin_output_mode_e *pinEnableMode,
 			brain_pin_e pinDir1,
 			brain_pin_e pinDir2) {
 		dcMotor.SetType(useTwoWires ? TwoPinDcMotor::ControlType::PwmDirectionPins : TwoPinDcMotor::ControlType::PwmEnablePin);
 
-		m_pinEnable.initPin("ETB Enable", pinEnable, &pinEnableMode);
+		m_pinEnable.initPin("ETB Enable", pinEnable, pinEnableMode);
 		m_pinDir1.initPin("ETB Dir 1", pinDir1);
 		m_pinDir2.initPin("ETB Dir 2", pinDir2);
 
@@ -483,7 +484,7 @@ void startETBPins(void) {
 	etb1.start(
 			CONFIG(etb1_use_two_wires),
 			CONFIGB(etb1.controlPin1),
-			CONFIGB(etb1.controlPinMode),
+			&CONFIGB(etb1.controlPinMode),
 			CONFIGB(etb1.directionPin1),
 			CONFIGB(etb1.directionPin2)
 			);
diff --git a/firmware/controllers/actuators/idle_thread.cpp b/firmware/controllers/actuators/idle_thread.cpp
index 765d738018..143c188194 100644
--- a/firmware/controllers/actuators/idle_thread.cpp
+++ b/firmware/controllers/actuators/idle_thread.cpp
@@ -139,7 +139,7 @@ static void applyIACposition(percent_t position) {
 	if (CONFIGB(useETBforIdleControl)) {
 		engine->engineState.etbIdleAddition = position / 100 * CONFIG(etbIdleThrottleRange);
 #if ! EFI_UNIT_TEST
-		} if (CONFIGB(useStepperIdle)) {
+	} if (CONFIGB(useStepperIdle)) {
 		iacMotor.setTargetPosition(position / 100 * engineConfiguration->idleStepperTotalSteps);
 #endif /* EFI_UNIT_TEST */
 	} else {
diff --git a/firmware/controllers/system/efi_gpio.h b/firmware/controllers/system/efi_gpio.h
index 3762e4a22d..091fdbfb98 100644
--- a/firmware/controllers/system/efi_gpio.h
+++ b/firmware/controllers/system/efi_gpio.h
@@ -31,6 +31,7 @@ public:
 	OutputPin();
 	/**
 	 * initializes pin & registers it in pin repository
+	 * todo: add a comment explaining why outputMode POINTER not VALUE?
 	 */
 	void initPin(const char *msg, brain_pin_e brainPin, const pin_output_mode_e *outputMode);
 	/**