diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 9573913e5e2f3..1c321ef3508d0 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -4379,9 +4379,11 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
      */
     public void startBiometricWatchdog() {
         if (mFaceManager != null && !isFaceAuthInteractorEnabled()) {
+            mLogger.scheduleWatchdog("face");
             mFaceManager.scheduleWatchdog();
         }
         if (mFpm != null) {
+            mLogger.scheduleWatchdog("fingerprint");
             mFpm.scheduleWatchdog();
         }
     }
diff --git a/packages/SystemUI/src/com/android/keyguard/logging/KeyguardUpdateMonitorLogger.kt b/packages/SystemUI/src/com/android/keyguard/logging/KeyguardUpdateMonitorLogger.kt
index 16618064f249e..4974f797d59ad 100644
--- a/packages/SystemUI/src/com/android/keyguard/logging/KeyguardUpdateMonitorLogger.kt
+++ b/packages/SystemUI/src/com/android/keyguard/logging/KeyguardUpdateMonitorLogger.kt
@@ -67,8 +67,10 @@ constructor(@KeyguardUpdateMonitorLog private val logBuffer: LogBuffer) {
             "ActiveUnlock",
             DEBUG,
             { int1 = wakeReason },
-            { "Skip requesting active unlock from wake reason that doesn't trigger face auth" +
-                    " reason=${PowerManager.wakeReasonToString(int1)}" }
+            {
+                "Skip requesting active unlock from wake reason that doesn't trigger face auth" +
+                    " reason=${PowerManager.wakeReasonToString(int1)}"
+            }
         )
     }
 
@@ -207,17 +209,27 @@ constructor(@KeyguardUpdateMonitorLog private val logBuffer: LogBuffer) {
     }
 
     fun logFaceDetected(userId: Int, isStrongBiometric: Boolean) {
-        logBuffer.log(TAG, DEBUG, {
-            int1 = userId
-            bool1 = isStrongBiometric
-        }, {"Face detected: userId: $int1, isStrongBiometric: $bool1"})
+        logBuffer.log(
+            TAG,
+            DEBUG,
+            {
+                int1 = userId
+                bool1 = isStrongBiometric
+            },
+            { "Face detected: userId: $int1, isStrongBiometric: $bool1" }
+        )
     }
 
     fun logFingerprintDetected(userId: Int, isStrongBiometric: Boolean) {
-        logBuffer.log(TAG, DEBUG, {
-            int1 = userId
-            bool1 = isStrongBiometric
-        }, {"Fingerprint detected: userId: $int1, isStrongBiometric: $bool1"})
+        logBuffer.log(
+            TAG,
+            DEBUG,
+            {
+                int1 = userId
+                bool1 = isStrongBiometric
+            },
+            { "Fingerprint detected: userId: $int1, isStrongBiometric: $bool1" }
+        )
     }
 
     fun logFingerprintError(msgId: Int, originalErrMsg: String) {
@@ -669,13 +681,10 @@ constructor(@KeyguardUpdateMonitorLog private val logBuffer: LogBuffer) {
     }
 
     fun logHandleBatteryUpdate(isInteresting: Boolean) {
-        logBuffer.log(
-            TAG,
-            DEBUG,
-            {
-                bool1 = isInteresting
-            },
-            { "handleBatteryUpdate: $bool1" }
-        )
+        logBuffer.log(TAG, DEBUG, { bool1 = isInteresting }, { "handleBatteryUpdate: $bool1" })
+    }
+
+    fun scheduleWatchdog(@CompileTimeConstant watchdogType: String) {
+        logBuffer.log(TAG, DEBUG, "Scheduling biometric watchdog for $watchdogType")
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepository.kt b/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepository.kt
index 5f2178df43463..5b71a2ed19915 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepository.kt
@@ -32,6 +32,8 @@ import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.dagger.qualifiers.Main
 import com.android.systemui.dump.DumpManager
+import com.android.systemui.flags.FeatureFlags
+import com.android.systemui.flags.Flags
 import com.android.systemui.keyguard.domain.interactor.AlternateBouncerInteractor
 import com.android.systemui.keyguard.domain.interactor.KeyguardInteractor
 import com.android.systemui.keyguard.domain.interactor.KeyguardTransitionInteractor
@@ -42,6 +44,7 @@ import com.android.systemui.keyguard.shared.model.ErrorAuthenticationStatus
 import com.android.systemui.keyguard.shared.model.FailedAuthenticationStatus
 import com.android.systemui.keyguard.shared.model.HelpAuthenticationStatus
 import com.android.systemui.keyguard.shared.model.SuccessAuthenticationStatus
+import com.android.systemui.keyguard.shared.model.TransitionState
 import com.android.systemui.keyguard.shared.model.WakefulnessModel
 import com.android.systemui.log.FaceAuthenticationLogger
 import com.android.systemui.log.SessionTracker
@@ -63,6 +66,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.launchIn
@@ -135,6 +139,7 @@ constructor(
     @FaceDetectTableLog private val faceDetectLog: TableLogBuffer,
     @FaceAuthTableLog private val faceAuthLog: TableLogBuffer,
     private val keyguardTransitionInteractor: KeyguardTransitionInteractor,
+    private val featureFlags: FeatureFlags,
     dumpManager: DumpManager,
 ) : DeviceEntryFaceAuthRepository, Dumpable {
     private var authCancellationSignal: CancellationSignal? = null
@@ -212,15 +217,21 @@ constructor(
                 .collect(Collectors.toSet())
         dumpManager.registerCriticalDumpable("DeviceEntryFaceAuthRepositoryImpl", this)
 
-        observeFaceAuthGatingChecks()
-        observeFaceDetectGatingChecks()
-        observeFaceAuthResettingConditions()
-        listenForSchedulingWatchdog()
+        if (featureFlags.isEnabled(Flags.FACE_AUTH_REFACTOR)) {
+            observeFaceAuthGatingChecks()
+            observeFaceDetectGatingChecks()
+            observeFaceAuthResettingConditions()
+            listenForSchedulingWatchdog()
+        }
     }
 
     private fun listenForSchedulingWatchdog() {
         keyguardTransitionInteractor.anyStateToGoneTransition
-            .onEach { faceManager?.scheduleWatchdog() }
+            .filter { it.transitionState == TransitionState.FINISHED }
+            .onEach {
+                faceAuthLogger.watchdogScheduled()
+                faceManager?.scheduleWatchdog()
+            }
             .launchIn(applicationScope)
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/log/FaceAuthenticationLogger.kt b/packages/SystemUI/src/com/android/systemui/log/FaceAuthenticationLogger.kt
index efd3ad620de01..8e9328117e382 100644
--- a/packages/SystemUI/src/com/android/systemui/log/FaceAuthenticationLogger.kt
+++ b/packages/SystemUI/src/com/android/systemui/log/FaceAuthenticationLogger.kt
@@ -261,4 +261,8 @@ constructor(
             { "Attempting face auth again because of HW error: retry attempt $int1" }
         )
     }
+
+    fun watchdogScheduled() {
+        logBuffer.log(TAG, DEBUG, "FaceManager Biometric watchdog scheduled.")
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepositoryTest.kt b/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepositoryTest.kt
index 1d0b58a8e0f44..d73c2c76272e4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepositoryTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepositoryTest.kt
@@ -54,6 +54,7 @@ import com.android.systemui.keyguard.shared.model.ErrorAuthenticationStatus
 import com.android.systemui.keyguard.shared.model.HelpAuthenticationStatus
 import com.android.systemui.keyguard.shared.model.KeyguardState
 import com.android.systemui.keyguard.shared.model.SuccessAuthenticationStatus
+import com.android.systemui.keyguard.shared.model.TransitionState
 import com.android.systemui.keyguard.shared.model.TransitionStep
 import com.android.systemui.keyguard.shared.model.WakeSleepReason
 import com.android.systemui.keyguard.shared.model.WakefulnessModel
@@ -234,6 +235,7 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
             faceDetectBuffer,
             faceAuthBuffer,
             keyguardTransitionInteractor,
+            featureFlags,
             dumpManager,
         )
     }
@@ -612,6 +614,7 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
             authStatus()
             detectStatus()
             authRunning()
+            bypassEnabled()
             lockedOut()
             canFaceAuthRun()
             authenticated()
@@ -847,7 +850,11 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
     fun schedulesFaceManagerWatchdogWhenKeyguardIsGoneFromDozing() =
         testScope.runTest {
             keyguardTransitionRepository.sendTransitionStep(
-                TransitionStep(from = KeyguardState.DOZING, to = KeyguardState.GONE)
+                TransitionStep(
+                    from = KeyguardState.DOZING,
+                    to = KeyguardState.GONE,
+                    transitionState = TransitionState.FINISHED
+                )
             )
 
             runCurrent()
@@ -858,7 +865,11 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
     fun schedulesFaceManagerWatchdogWhenKeyguardIsGoneFromAod() =
         testScope.runTest {
             keyguardTransitionRepository.sendTransitionStep(
-                TransitionStep(from = KeyguardState.AOD, to = KeyguardState.GONE)
+                TransitionStep(
+                    from = KeyguardState.AOD,
+                    to = KeyguardState.GONE,
+                    transitionState = TransitionState.FINISHED
+                )
             )
 
             runCurrent()
@@ -869,7 +880,11 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
     fun schedulesFaceManagerWatchdogWhenKeyguardIsGoneFromLockscreen() =
         testScope.runTest {
             keyguardTransitionRepository.sendTransitionStep(
-                TransitionStep(from = KeyguardState.LOCKSCREEN, to = KeyguardState.GONE)
+                TransitionStep(
+                    from = KeyguardState.LOCKSCREEN,
+                    to = KeyguardState.GONE,
+                    transitionState = TransitionState.FINISHED
+                )
             )
 
             runCurrent()
@@ -880,7 +895,11 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
     fun schedulesFaceManagerWatchdogWhenKeyguardIsGoneFromBouncer() =
         testScope.runTest {
             keyguardTransitionRepository.sendTransitionStep(
-                TransitionStep(from = KeyguardState.PRIMARY_BOUNCER, to = KeyguardState.GONE)
+                TransitionStep(
+                    from = KeyguardState.PRIMARY_BOUNCER,
+                    to = KeyguardState.GONE,
+                    transitionState = TransitionState.FINISHED
+                )
             )
 
             runCurrent()