diff --git a/unit_tests/tests/ignition_injection/injection_mode_transition.cpp b/unit_tests/tests/ignition_injection/injection_mode_transition.cpp
index ff2ee2a2a8..130fd85521 100644
--- a/unit_tests/tests/ignition_injection/injection_mode_transition.cpp
+++ b/unit_tests/tests/ignition_injection/injection_mode_transition.cpp
@@ -19,6 +19,14 @@ TEST(fuelControl, transitionIssue1592) {
 	ASSERT_EQ(CRANKING, engine->rpmCalculator.getState());
 	ASSERT_EQ( 100,  GET_RPM()) << "spinning-RPM#1";
 
+	ASSERT_EQ(IM_SIMULTANEOUS, ENGINE(getCurrentInjectionMode(PASS_ENGINE_PARAMETER_SIGNATURE)));
+
+
+	eth.fireTriggerEvents2(4 /* count */ , 150 /* ms */);
+	ASSERT_EQ( 400,  GET_RPM()) << "running-RPM#1";
+
+	ASSERT_EQ(IM_SIMULTANEOUS, ENGINE(getCurrentInjectionMode(PASS_ENGINE_PARAMETER_SIGNATURE)));
+
 }
 
 
diff --git a/unit_tests/tests/tests.mk b/unit_tests/tests/tests.mk
index 56b5d5250a..ef17048a9c 100644
--- a/unit_tests/tests/tests.mk
+++ b/unit_tests/tests/tests.mk
@@ -6,6 +6,7 @@ TESTS_SRC_CPP = \
 	tests/trigger/test_cam_vvt_input.cpp \
 	tests/trigger/test_2jz_vvt.cpp \
 	tests/trigger/test_injection_scheduling.cpp \
+	tests/ignition_injection/injection_mode_transition.cpp \
 	tests/test_util.cpp \
 	tests/test_ion.cpp \
 	tests/test_aux_valves.cpp \