diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index 5a60b0fac3..d37c2475d4 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -22,11 +22,11 @@
  * coil1/4          (p1 +5 VP)    PE14
  * coil2/2          (p1 +5 VP)    PC7
  *
- * tachometer +5 VP (p3 +5 VP)    PE8
- * alternator +5 VP (p3 +5 VP)    PE10
- * MIL check engine (p4 no VP)    PD9
+ * tachometer +5 VP (p3 +12 VP)   PE8
+ * alternator +5 VP (p3 +12 VP)   PE10
  *
  * VVT solenoid on aux PID#1      PE3
+ * warning light                  PE6
  *
  *
  */
@@ -218,7 +218,7 @@ void setMazdaMiata2003EngineConfiguration(DECLARE_ENGINE_PARAMETER_F) {
 
 
 
-	engineConfiguration->dizzySparkOutputPin = GPIOE_8;
+	engineConfiguration->dizzySparkOutputPin = GPIOE_8; // tachometer
 
 	// set global_trigger_offset_angle 0
 	engineConfiguration->globalTriggerAngleOffset = 0;
@@ -229,7 +229,7 @@ void setMazdaMiata2003EngineConfiguration(DECLARE_ENGINE_PARAMETER_F) {
 	// set cranking_timing_angle 10
 	engineConfiguration->crankingTimingAngle = 10;
 	// set cranking_fuel 4
-	engineConfiguration->cranking.baseFuel = 4;
+	engineConfiguration->cranking.baseFuel = 4; // this value for return-less NB miata fuel system, higher pressure
 
 	boardConfiguration->ignitionPins[0] = GPIOE_14;
 	boardConfiguration->ignitionPins[1] = GPIO_UNASSIGNED;
@@ -286,6 +286,8 @@ void setMazdaMiata2003EngineConfiguration(DECLARE_ENGINE_PARAMETER_F) {
 
 	engineConfiguration->ignitionMode = IM_WASTED_SPARK;
 
+	boardConfiguration->malfunctionIndicatorPin = GPIOE_6; // just for a test
+
 	/**
 	 * http://miataturbo.wikidot.com/fuel-injectors
 	 * 01-05 (purple) - #195500-4060
@@ -319,4 +321,8 @@ void setMazdaMiata2003EngineConfigurationNewBoard(DECLARE_ENGINE_PARAMETER_F) {
 
 	setEgoSensor(ES_14Point7_Free PASS_ENGINE_PARAMETER);
 
+
+	// set cranking_fuel 8
+	engineConfiguration->cranking.baseFuel = 8; // higher value for return system NA conversion since lower fuel pressure
+
 }
diff --git a/firmware/config/stm32f4ems/chconf.h b/firmware/config/stm32f4ems/chconf.h
index 830248fa0f..70ac579a9b 100644
--- a/firmware/config/stm32f4ems/chconf.h
+++ b/firmware/config/stm32f4ems/chconf.h
@@ -547,6 +547,16 @@ void chDbgPanic3(const char *msg, const char * file, int line);
 #define hasFatalError() (FALSE)
 #endif
 
+
+#define chDbgAssert(c, remark) do {                                              \
+  if (CH_DBG_ENABLE_ASSERTS != FALSE) {                                     \
+    if (!(c)) {                                                             \
+  /*lint -restore*/                                                         \
+      chSysHalt(remark);                                                    \
+    }                                                                       \
+  }                                                                         \
+} while (false)
+
 #endif  /* _CHCONF_H_ */
 
 /** @} */
diff --git a/firmware/hw_layer/digital_input_hw.cpp b/firmware/hw_layer/digital_input_hw.cpp
index 3406d8e909..bd0b2ed4f2 100644
--- a/firmware/hw_layer/digital_input_hw.cpp
+++ b/firmware/hw_layer/digital_input_hw.cpp
@@ -211,6 +211,8 @@ void startInputDriver(digital_input_s *hw, bool isActiveHigh) {
 		}
 		wave_icucfg.channel = getInputCaptureChannel(hw->brainPin);
 		efiIcuStart(driver, &wave_icucfg);
+		efiAssertVoid(driver != NULL, "di: driver is NULL");
+		efiAssertVoid(driver->state == ICU_READY, "di: driver not ready");
         icuStartCapture(driver); // this would change state from READY to WAITING
 		icuEnableNotifications(driver);
 	}
diff --git a/firmware/hw_layer/trigger_input.cpp b/firmware/hw_layer/trigger_input.cpp
index 04e8835ae2..95d89732f7 100644
--- a/firmware/hw_layer/trigger_input.cpp
+++ b/firmware/hw_layer/trigger_input.cpp
@@ -123,6 +123,8 @@ static ICUDriver *turnOnTriggerInputPin(const char *msg, brain_pin_e hwPin, ICUC
 
 		efiIcuStart(driver, icucfg);
 		if (driver->state == ICU_READY) {
+			efiAssert(driver != NULL, "ti: driver is NULL", NULL);
+			efiAssert(driver->state == ICU_READY, "ti: driver not ready", NULL);
             icuStartCapture(driver); // this would change state from READY to WAITING
             icuEnableNotifications(driver);
 		} else {
diff --git a/firmware/rusefi.cpp b/firmware/rusefi.cpp
index 763da20926..6a79593967 100644
--- a/firmware/rusefi.cpp
+++ b/firmware/rusefi.cpp
@@ -251,5 +251,5 @@ int getRusEfiVersion(void) {
 		return 123; // this is here to make the compiler happy about the unused array
 	if (UNUSED_CCM_SIZE[0] * 0 != 0)
 		return 3211; // this is here to make the compiler happy about the unused array
-	return 20170424;
+	return 20170426;
 }