diff --git a/java_console/autotest/src/com/rusefi/functional_tests/BaseTest.java b/java_console/autotest/src/com/rusefi/functional_tests/BaseTest.java
index 4843fc5ce6..2169e330aa 100644
--- a/java_console/autotest/src/com/rusefi/functional_tests/BaseTest.java
+++ b/java_console/autotest/src/com/rusefi/functional_tests/BaseTest.java
@@ -59,6 +59,12 @@ public class BaseTest {
         log.info("AUTOTEST setEngineType " + type);
         currentEngineType = type;
 //        sendCommand(CMD_PINS);
+        /*
+         * we need to stop all activity - that means:
+         * - stopping input event
+         * - waiting for scheduled actuator actions to run out
+         * - disabling PWM
+         */
         sendCommand(getDisableCommand(Fields.CMD_SELF_STIMULATION));
         sendCommand(getDisableCommand(Fields.CMD_INJECTION));
         sendCommand(getDisableCommand(Fields.CMD_IGNITION));