diff --git a/driver/drv/b15f.cpp b/driver/drv/b15f.cpp
index 04f85ff..4a9cae5 100644
--- a/driver/drv/b15f.cpp
+++ b/driver/drv/b15f.cpp
@@ -152,6 +152,15 @@ std::vector<std::string> B15F::getBoardInfo(void)
 	return info;
 }
 
+bool B15F::activateSelfTestMode()
+{
+	usart.clearInputBuffer();
+	usart.writeByte(RQ_ST);
+	
+	uint8_t aw = usart.readByte();	
+	return aw == MSG_OK;
+}
+
 bool B15F::digitalWrite0(uint8_t port)
 {
 	usart.clearInputBuffer();
diff --git a/driver/drv/b15f.h b/driver/drv/b15f.h
index c25b028..067f4a6 100644
--- a/driver/drv/b15f.h
+++ b/driver/drv/b15f.h
@@ -97,6 +97,13 @@ public:
 	 * Steuerbefehle für B15 *
 	 *************************/
 	 
+	/**
+	 * Versetzt das Board in den Selbsttest-Modus
+	 * WICHTIG: Es darf dabei nichts an den Klemmen angeschlossen sein!
+	 * \throws DriverException
+	 */
+	bool activateSelfTestMode(void);
+	 
 	/**
 	 * Setzt den Wert des digitalen Ausgabeports 0
 	 * \param port Wert für gesamten Port
@@ -192,6 +199,7 @@ private:
 	constexpr static uint8_t RQ_TEST = 1;
 	constexpr static uint8_t RQ_INFO = 2;
 	constexpr static uint8_t RQ_INT  = 3;
+	constexpr static uint8_t RQ_ST   = 4;
 	constexpr static uint8_t RQ_BA0  = 5;
 	constexpr static uint8_t RQ_BA1  = 6;
 	constexpr static uint8_t RQ_BE0  = 7;
diff --git a/driver/drv/b15f.o b/driver/drv/b15f.o
index d78839d..dcffd38 100644
Binary files a/driver/drv/b15f.o and b/driver/drv/b15f.o differ
diff --git a/driver/main b/driver/main
index d5d4996..6d56236 100755
Binary files a/driver/main and b/driver/main differ
diff --git a/driver/main.cpp b/driver/main.cpp
index 1de1036..2575520 100644
--- a/driver/main.cpp
+++ b/driver/main.cpp
@@ -122,6 +122,8 @@ void kennlinieZweiterQuadrant()
 void testFunktionen()
 {
 	B15F& drv = B15F::getInstance();
+	drv.activateSelfTestMode();
+	return;
 	
 	std::cout << "DIP-Switch: " << (int) drv.readDipSwitch() << std::endl;
 	
@@ -157,8 +159,8 @@ void testFunktionen()
 int main()
 {
 	testFunktionen();
-	kennlinieZweiterQuadrant();
-	kennlinieErsterQuadrant();
+	//kennlinieZweiterQuadrant();
+	//kennlinieErsterQuadrant();
 	
 	std::cout << "Schluss." << std::endl;
 }
diff --git a/driver/main.o b/driver/main.o
index 5b54449..74c1ce5 100644
Binary files a/driver/main.o and b/driver/main.o differ