diff --git a/gnss/aidl/default/Gnss.cpp b/gnss/aidl/default/Gnss.cpp
index a861957..7855b51 100644
--- a/gnss/aidl/default/Gnss.cpp
+++ b/gnss/aidl/default/Gnss.cpp
@@ -53,17 +53,26 @@
         ALOGE("%s: Null callback ignored", __func__);
         return ScopedAStatus::fromExceptionCode(STATUS_INVALID_OPERATION);
     }
-
     sGnssCallback = callback;
 
-    int capabilities = (int)(IGnssCallback::CAPABILITY_SATELLITE_BLOCKLIST |
-                             IGnssCallback::CAPABILITY_SATELLITE_PVT |
-                             IGnssCallback::CAPABILITY_CORRELATION_VECTOR |
-                             IGnssCallback::CAPABILITY_ANTENNA_INFO);
-
+    int capabilities =
+            (int)(IGnssCallback::CAPABILITY_MEASUREMENTS | IGnssCallback::CAPABILITY_SCHEDULING |
+                  IGnssCallback::CAPABILITY_SATELLITE_BLOCKLIST |
+                  IGnssCallback::CAPABILITY_SATELLITE_PVT |
+                  IGnssCallback::CAPABILITY_CORRELATION_VECTOR |
+                  IGnssCallback::CAPABILITY_ANTENNA_INFO);
     auto status = sGnssCallback->gnssSetCapabilitiesCb(capabilities);
     if (!status.isOk()) {
-        ALOGE("%s: Unable to invoke callback.gnssSetCapabilities", __func__);
+        ALOGE("%s: Unable to invoke callback.gnssSetCapabilitiesCb", __func__);
+    }
+
+    IGnssCallback::GnssSystemInfo systemInfo = {
+            .yearOfHw = 2022,
+            .name = "Google Mock GNSS Implementation AIDL v2",
+    };
+    status = sGnssCallback->gnssSetSystemInfoCb(systemInfo);
+    if (!status.isOk()) {
+        ALOGE("%s: Unable to invoke callback.gnssSetSystemInfoCb", __func__);
     }
 
     return ScopedAStatus::ok();
diff --git a/gnss/aidl/vts/gnss_hal_test.cpp b/gnss/aidl/vts/gnss_hal_test.cpp
index c1128ba..f184f81 100644
--- a/gnss/aidl/vts/gnss_hal_test.cpp
+++ b/gnss/aidl/vts/gnss_hal_test.cpp
@@ -33,7 +33,7 @@
     ASSERT_NE(aidl_gnss_hal_, nullptr);
     ALOGD("AIDL Interface Version = %d", aidl_gnss_hal_->getInterfaceVersion());
 
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         const auto& hidlInstanceNames = android::hardware::getAllHalInstanceNames(
                 android::hardware::gnss::V2_1::IGnss::descriptor);
         gnss_hal_ = IGnss_V2_1::getService(hidlInstanceNames[0]);
@@ -60,9 +60,15 @@
                                                           TIMEOUT_SEC));
     EXPECT_EQ(aidl_gnss_cb_->capabilities_cbq_.calledCount(), 1);
 
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         GnssHalTestTemplate<IGnss_V2_1>::SetUpGnssCallback();
+    } else {
+        /*
+         * SystemInfo callback should trigger
+         */
+        EXPECT_TRUE(aidl_gnss_cb_->info_cbq_.retrieve(aidl_gnss_cb_->last_info_, TIMEOUT_SEC));
+        EXPECT_EQ(aidl_gnss_cb_->info_cbq_.calledCount(), 1);
     }
 }
 
@@ -71,7 +77,7 @@
 }
 
 void GnssHalTest::SetPositionMode(const int min_interval_msec, const bool low_power_mode) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::SetPositionMode(min_interval_msec, low_power_mode);
     }
@@ -93,7 +99,7 @@
 
 bool GnssHalTest::StartAndCheckFirstLocation(const int min_interval_msec,
                                              const bool low_power_mode) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::StartAndCheckFirstLocation(min_interval_msec,
                                                                            low_power_mode);
@@ -127,7 +133,7 @@
 
 void GnssHalTest::StopAndClearLocations() {
     ALOGD("StopAndClearLocations");
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::StopAndClearLocations();
     }
@@ -148,7 +154,7 @@
 }
 
 void GnssHalTest::StartAndCheckLocations(int count) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::StartAndCheckLocations(count);
     }
@@ -264,7 +270,7 @@
 
 GnssConstellationType GnssHalTest::startLocationAndGetNonGpsConstellation(
         const int locations_to_await, const int gnss_sv_info_list_timeout) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         return static_cast<GnssConstellationType>(
                 GnssHalTestTemplate<IGnss_V2_1>::startLocationAndGetNonGpsConstellation(
                         locations_to_await, gnss_sv_info_list_timeout));
diff --git a/gnss/aidl/vts/gnss_hal_test_cases.cpp b/gnss/aidl/vts/gnss_hal_test_cases.cpp
index 8e51b44..365f9d3 100644
--- a/gnss/aidl/vts/gnss_hal_test_cases.cpp
+++ b/gnss/aidl/vts/gnss_hal_test_cases.cpp
@@ -28,6 +28,7 @@
 #include <android/hardware/gnss/measurement_corrections/IMeasurementCorrectionsInterface.h>
 #include <android/hardware/gnss/visibility_control/IGnssVisibilityControl.h>
 #include <cutils/properties.h>
+#include <cmath>
 #include "AGnssCallbackAidl.h"
 #include "AGnssRilCallbackAidl.h"
 #include "GnssAntennaInfoCallbackAidl.h"
@@ -45,7 +46,9 @@
 using android::hardware::gnss::BlocklistedSource;
 using android::hardware::gnss::ElapsedRealtime;
 using android::hardware::gnss::GnssClock;
+using android::hardware::gnss::GnssConstellationType;
 using android::hardware::gnss::GnssData;
+using android::hardware::gnss::GnssLocation;
 using android::hardware::gnss::GnssMeasurement;
 using android::hardware::gnss::GnssPowerStats;
 using android::hardware::gnss::IAGnss;
@@ -72,7 +75,6 @@
 using android::hardware::gnss::visibility_control::IGnssVisibilityControl;
 
 using GnssConstellationTypeV2_0 = android::hardware::gnss::V2_0::GnssConstellationType;
-using GnssConstellationTypeAidl = android::hardware::gnss::GnssConstellationType;
 
 static bool IsAutomotiveDevice() {
     char buffer[PROPERTY_VALUE_MAX] = {0};
@@ -89,6 +91,222 @@
 TEST_P(GnssHalTest, SetupTeardownCreateCleanup) {}
 
 /*
+ * GetLocation:
+ * Turns on location, waits 75 second for at least 5 locations,
+ * and checks them for reasonable validity.
+ */
+TEST_P(GnssHalTest, GetLocations) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    const int kMinIntervalMsec = 500;
+    const int kLocationsToCheck = 5;
+
+    SetPositionMode(kMinIntervalMsec, /* low_power_mode= */ false);
+    StartAndCheckLocations(kLocationsToCheck);
+    StopAndClearLocations();
+}
+
+/*
+ * InjectDelete:
+ * Ensures that calls to inject and/or delete information state are handled.
+ */
+TEST_P(GnssHalTest, InjectDelete) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    // Confidently, well north of Alaska
+    auto status = aidl_gnss_hal_->injectLocation(Utils::getMockLocation(80.0, -170.0, 150.0));
+    ASSERT_TRUE(status.isOk());
+
+    // Fake time, but generally reasonable values (time in Aug. 2018)
+    status =
+            aidl_gnss_hal_->injectTime(/* timeMs= */ 1534567890123L,
+                                       /* timeReferenceMs= */ 123456L, /* uncertaintyMs= */ 10000L);
+    ASSERT_TRUE(status.isOk());
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::POSITION);
+    ASSERT_TRUE(status.isOk());
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::TIME);
+    ASSERT_TRUE(status.isOk());
+
+    // Ensure we can get a good location after a bad injection has been deleted
+    StartAndCheckFirstLocation(/* min_interval_msec= */ 1000, /* low_power_mode= */ false);
+    StopAndClearLocations();
+}
+
+/*
+ * InjectSeedLocation:
+ * Injects a seed location and ensures the injected seed location is not fused in the resulting
+ * GNSS location.
+ */
+TEST_P(GnssHalTest, InjectSeedLocation) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    // An arbitrary position in North Pacific Ocean (where no VTS labs will ever likely be located).
+    const double seedLatDegrees = 32.312894;
+    const double seedLngDegrees = -172.954117;
+    const float seedAccuracyMeters = 150.0;
+
+    auto status = aidl_gnss_hal_->injectLocation(
+            Utils::getMockLocation(seedLatDegrees, seedLngDegrees, seedAccuracyMeters));
+    ASSERT_TRUE(status.isOk());
+
+    StartAndCheckFirstLocation(/* min_interval_msec= */ 1000, /* low_power_mode= */ false);
+
+    // Ensure we don't get a location anywhere within 111km (1 degree of lat or lng) of the seed
+    // location.
+    EXPECT_TRUE(std::abs(aidl_gnss_cb_->last_location_.latitudeDegrees - seedLatDegrees) > 1.0 ||
+                std::abs(aidl_gnss_cb_->last_location_.longitudeDegrees - seedLngDegrees) > 1.0);
+
+    StopAndClearLocations();
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::POSITION);
+    ASSERT_TRUE(status.isOk());
+}
+
+/*
+ * GnssCapabilities:
+ * 1. Verifies that GNSS hardware supports measurement capabilities.
+ * 2. Verifies that GNSS hardware supports Scheduling capabilities.
+ */
+TEST_P(GnssHalTest, GnssCapabilites) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    if (!IsAutomotiveDevice()) {
+        EXPECT_TRUE(aidl_gnss_cb_->last_capabilities_ & IGnssCallback::CAPABILITY_MEASUREMENTS);
+    }
+    EXPECT_TRUE(aidl_gnss_cb_->last_capabilities_ & IGnssCallback::CAPABILITY_SCHEDULING);
+}
+
+/*
+ * GetLocationLowPower:
+ * Turns on location, waits for at least 5 locations allowing max of LOCATION_TIMEOUT_SUBSEQUENT_SEC
+ * between one location and the next. Also ensure that MIN_INTERVAL_MSEC is respected by waiting
+ * NO_LOCATION_PERIOD_SEC and verfiy that no location is received. Also perform validity checks on
+ * each received location.
+ */
+TEST_P(GnssHalTest, GetLocationLowPower) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+
+    const int kMinIntervalMsec = 5000;
+    const int kLocationTimeoutSubsequentSec = (kMinIntervalMsec / 1000) * 2;
+    const int kNoLocationPeriodSec = (kMinIntervalMsec / 1000) / 2;
+    const int kLocationsToCheck = 5;
+    const bool kLowPowerMode = true;
+
+    // Warmup period - VTS doesn't have AGPS access via GnssLocationProvider
+    aidl_gnss_cb_->location_cbq_.reset();
+    StartAndCheckLocations(kLocationsToCheck);
+    StopAndClearLocations();
+    aidl_gnss_cb_->location_cbq_.reset();
+
+    // Start of Low Power Mode test
+    // Don't expect true - as without AGPS access
+    if (!StartAndCheckFirstLocation(kMinIntervalMsec, kLowPowerMode)) {
+        ALOGW("GetLocationLowPower test - no first low power location received.");
+    }
+
+    for (int i = 1; i < kLocationsToCheck; i++) {
+        // Verify that kMinIntervalMsec is respected by waiting kNoLocationPeriodSec and
+        // ensure that no location is received yet
+
+        aidl_gnss_cb_->location_cbq_.retrieve(aidl_gnss_cb_->last_location_, kNoLocationPeriodSec);
+        const int location_called_count = aidl_gnss_cb_->location_cbq_.calledCount();
+        // Tolerate (ignore) one extra location right after the first one
+        // to handle startup edge case scheduling limitations in some implementations
+        if ((i == 1) && (location_called_count == 2)) {
+            CheckLocation(aidl_gnss_cb_->last_location_, true);
+            continue;  // restart the quiet wait period after this too-fast location
+        }
+        EXPECT_LE(location_called_count, i);
+        if (location_called_count != i) {
+            ALOGW("GetLocationLowPower test - not enough locations received. %d vs. %d expected ",
+                  location_called_count, i);
+        }
+
+        if (!aidl_gnss_cb_->location_cbq_.retrieve(
+                    aidl_gnss_cb_->last_location_,
+                    kLocationTimeoutSubsequentSec - kNoLocationPeriodSec)) {
+            ALOGW("GetLocationLowPower test - timeout awaiting location %d", i);
+        } else {
+            CheckLocation(aidl_gnss_cb_->last_location_, true);
+        }
+    }
+
+    StopAndClearLocations();
+}
+
+/*
+ * InjectBestLocation
+ *
+ * Ensure successfully injecting a location.
+ */
+TEST_P(GnssHalTest, InjectBestLocation) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    StartAndCheckLocations(1);
+    GnssLocation gnssLocation = aidl_gnss_cb_->last_location_;
+    CheckLocation(gnssLocation, true);
+
+    auto status = aidl_gnss_hal_->injectBestLocation(gnssLocation);
+
+    ASSERT_TRUE(status.isOk());
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::POSITION);
+
+    ASSERT_TRUE(status.isOk());
+}
+
+/*
+ * TestGnssSvInfoFields:
+ * Gets 1 location and a (non-empty) GnssSvInfo, and verifies basebandCN0DbHz is valid.
+ */
+TEST_P(GnssHalTest, TestGnssSvInfoFields) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    aidl_gnss_cb_->location_cbq_.reset();
+    aidl_gnss_cb_->sv_info_list_cbq_.reset();
+    StartAndCheckFirstLocation(/* min_interval_msec= */ 1000, /* low_power_mode= */ false);
+    int location_called_count = aidl_gnss_cb_->location_cbq_.calledCount();
+    ALOGD("Observed %d GnssSvStatus, while awaiting one location (%d received)",
+          aidl_gnss_cb_->sv_info_list_cbq_.size(), location_called_count);
+
+    // Wait for up to kNumSvInfoLists events for kTimeoutSeconds for each event.
+    int kTimeoutSeconds = 2;
+    int kNumSvInfoLists = 4;
+    std::list<std::vector<IGnssCallback::GnssSvInfo>> sv_info_lists;
+    std::vector<IGnssCallback::GnssSvInfo> last_sv_info_list;
+
+    do {
+        EXPECT_GT(aidl_gnss_cb_->sv_info_list_cbq_.retrieve(sv_info_lists, kNumSvInfoLists,
+                                                            kTimeoutSeconds),
+                  0);
+        last_sv_info_list = sv_info_lists.back();
+    } while (last_sv_info_list.size() == 0);
+
+    ALOGD("last_sv_info size = %d", (int)last_sv_info_list.size());
+    bool nonZeroCn0Found = false;
+    for (auto sv_info : last_sv_info_list) {
+        EXPECT_TRUE(sv_info.basebandCN0DbHz >= 0.0 && sv_info.basebandCN0DbHz <= 65.0);
+        if (sv_info.basebandCN0DbHz > 0.0) {
+            nonZeroCn0Found = true;
+        }
+    }
+    // Assert at least one value is non-zero. Zero is ok in status as it's possibly
+    // reporting a searched but not found satellite.
+    EXPECT_TRUE(nonZeroCn0Found);
+    StopAndClearLocations();
+}
+
+/*
  * TestPsdsExtension:
  * 1. Gets the PsdsExtension
  * 2. Injects empty PSDS data and verifies that it returns an error.
@@ -158,15 +376,7 @@
 }
 
 void CheckGnssMeasurementClockFields(const GnssData& measurement) {
-    ASSERT_TRUE(measurement.elapsedRealtime.flags >= 0 &&
-                measurement.elapsedRealtime.flags <= (ElapsedRealtime::HAS_TIMESTAMP_NS |
-                                                      ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS));
-    if (measurement.elapsedRealtime.flags & ElapsedRealtime::HAS_TIMESTAMP_NS) {
-        ASSERT_TRUE(measurement.elapsedRealtime.timestampNs > 0);
-    }
-    if (measurement.elapsedRealtime.flags & ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS) {
-        ASSERT_TRUE(measurement.elapsedRealtime.timeUncertaintyNs > 0);
-    }
+    Utils::checkElapsedRealtime(measurement.elapsedRealtime);
     ASSERT_TRUE(measurement.clock.gnssClockFlags >= 0 &&
                 measurement.clock.gnssClockFlags <=
                         (GnssClock::HAS_LEAP_SECOND | GnssClock::HAS_TIME_UNCERTAINTY |
@@ -189,6 +399,34 @@
                          GnssMeasurement::HAS_CORRELATION_VECTOR));
 }
 
+void CheckGnssMeasurementFields(const GnssMeasurement& measurement, const GnssData& data) {
+    CheckGnssMeasurementFlags(measurement);
+    // Verify CodeType is valid.
+    ASSERT_NE(measurement.signalType.codeType, "");
+    // Verify basebandCn0DbHz is valid.
+    ASSERT_TRUE(measurement.basebandCN0DbHz > 0.0 && measurement.basebandCN0DbHz <= 65.0);
+
+    if (((measurement.flags & GnssMeasurement::HAS_FULL_ISB) > 0) &&
+        ((measurement.flags & GnssMeasurement::HAS_FULL_ISB_UNCERTAINTY) > 0) &&
+        ((measurement.flags & GnssMeasurement::HAS_SATELLITE_ISB) > 0) &&
+        ((measurement.flags & GnssMeasurement::HAS_SATELLITE_ISB_UNCERTAINTY) > 0)) {
+        GnssConstellationType referenceConstellation =
+                data.clock.referenceSignalTypeForIsb.constellation;
+        double carrierFrequencyHz = data.clock.referenceSignalTypeForIsb.carrierFrequencyHz;
+        std::string codeType = data.clock.referenceSignalTypeForIsb.codeType;
+
+        ASSERT_TRUE(referenceConstellation >= GnssConstellationType::UNKNOWN &&
+                    referenceConstellation <= GnssConstellationType::IRNSS);
+        ASSERT_TRUE(carrierFrequencyHz > 0);
+        ASSERT_NE(codeType, "");
+
+        ASSERT_TRUE(std::abs(measurement.fullInterSignalBiasNs) < 1.0e6);
+        ASSERT_TRUE(measurement.fullInterSignalBiasUncertaintyNs >= 0);
+        ASSERT_TRUE(std::abs(measurement.satelliteInterSignalBiasNs) < 1.0e6);
+        ASSERT_TRUE(measurement.satelliteInterSignalBiasUncertaintyNs >= 0);
+    }
+}
+
 /*
  * TestGnssMeasurementExtensionAndSatellitePvt:
  * 1. Gets the GnssMeasurementExtension and verifies that it returns a non-null extension.
@@ -229,7 +467,7 @@
         CheckGnssMeasurementClockFields(lastMeasurement);
 
         for (const auto& measurement : lastMeasurement.measurements) {
-            CheckGnssMeasurementFlags(measurement);
+            CheckGnssMeasurementFields(measurement, lastMeasurement);
             if (measurement.flags & GnssMeasurement::HAS_SATELLITE_PVT &&
                 kIsSatellitePvtSupported == true) {
                 ALOGD("Found a measurement with SatellitePvt");
@@ -289,7 +527,7 @@
         CheckGnssMeasurementClockFields(lastMeasurement);
 
         for (const auto& measurement : lastMeasurement.measurements) {
-            CheckGnssMeasurementFlags(measurement);
+            CheckGnssMeasurementFields(measurement, lastMeasurement);
             if (measurement.flags & GnssMeasurement::HAS_CORRELATION_VECTOR) {
                 correlationVectorFound = true;
                 ASSERT_TRUE(measurement.correlationVectors.size() > 0);
@@ -466,7 +704,7 @@
                 FindStrongFrequentNonGpsSource(sv_info_vec_list, kLocationsToAwait - 1);
     }
 
-    if (source_to_blocklist.constellation == GnssConstellationTypeAidl::UNKNOWN) {
+    if (source_to_blocklist.constellation == GnssConstellationType::UNKNOWN) {
         // Cannot find a non-GPS satellite. Let the test pass.
         ALOGD("Cannot find a non-GPS satellite. Letting the test pass.");
         return;
@@ -522,7 +760,7 @@
                 auto& gnss_sv = sv_info_vec[iSv];
                 EXPECT_FALSE(
                         (gnss_sv.v2_0.v1_0.svid == source_to_blocklist.svid) &&
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
             }
@@ -584,7 +822,7 @@
                 for (uint32_t iSv = 0; iSv < sv_info_vec.size(); iSv++) {
                     auto& gnss_sv = sv_info_vec[iSv];
                     if ((gnss_sv.v2_0.v1_0.svid == source_to_blocklist.svid) &&
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX)) {
                         strongest_sv_is_reobserved = true;
@@ -633,7 +871,7 @@
     const int kGnssSvInfoListTimeout = 2;
 
     // Find first non-GPS constellation to blocklist
-    GnssConstellationTypeAidl constellation_to_blocklist = static_cast<GnssConstellationTypeAidl>(
+    GnssConstellationType constellation_to_blocklist = static_cast<GnssConstellationType>(
             startLocationAndGetNonGpsConstellation(kLocationsToAwait, kGnssSvInfoListTimeout));
 
     // Turns off location
@@ -646,7 +884,7 @@
     // IRNSS was added in 2.0. Always attempt to blocklist IRNSS to verify that the new enum is
     // supported.
     BlocklistedSource source_to_blocklist_2;
-    source_to_blocklist_2.constellation = GnssConstellationTypeAidl::IRNSS;
+    source_to_blocklist_2.constellation = GnssConstellationType::IRNSS;
     source_to_blocklist_2.svid = 0;  // documented wildcard for all satellites in this constellation
 
     sp<IGnssConfiguration> gnss_configuration_hal;
@@ -686,11 +924,11 @@
             for (uint32_t iSv = 0; iSv < sv_info_vec.size(); iSv++) {
                 const auto& gnss_sv = sv_info_vec[iSv];
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_1.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_2.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
             }
@@ -736,7 +974,7 @@
     const int kGnssSvInfoListTimeout = 2;
 
     // Find first non-GPS constellation to blocklist
-    GnssConstellationTypeAidl constellation_to_blocklist = static_cast<GnssConstellationTypeAidl>(
+    GnssConstellationType constellation_to_blocklist = static_cast<GnssConstellationType>(
             startLocationAndGetNonGpsConstellation(kLocationsToAwait, kGnssSvInfoListTimeout));
 
     BlocklistedSource source_to_blocklist_1;
@@ -746,7 +984,7 @@
     // IRNSS was added in 2.0. Always attempt to blocklist IRNSS to verify that the new enum is
     // supported.
     BlocklistedSource source_to_blocklist_2;
-    source_to_blocklist_2.constellation = GnssConstellationTypeAidl::IRNSS;
+    source_to_blocklist_2.constellation = GnssConstellationType::IRNSS;
     source_to_blocklist_2.svid = 0;  // documented wildcard for all satellites in this constellation
 
     sp<IGnssConfiguration> gnss_configuration_hal;
@@ -789,11 +1027,11 @@
             for (uint32_t iSv = 0; iSv < sv_info_vec.size(); iSv++) {
                 const auto& gnss_sv = sv_info_vec[iSv];
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_1.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_2.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
             }
@@ -884,7 +1122,8 @@
  * TestAGnssRilExtension:
  * 1. Gets the IAGnssRil extension.
  * 2. Sets AGnssRilCallback.
- * 3. Sets reference location.
+ * 3. Update network state to connected and then disconnected.
+ * 4. Sets reference location.
  */
 TEST_P(GnssHalTest, TestAGnssRilExtension) {
     if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
@@ -899,6 +1138,20 @@
     status = iAGnssRil->setCallback(agnssRilCallback);
     ASSERT_TRUE(status.isOk());
 
+    // Update GNSS HAL that a network has connected.
+    IAGnssRil::NetworkAttributes networkAttributes;
+    networkAttributes.networkHandle = 7700664333L;
+    networkAttributes.isConnected = true;
+    networkAttributes.capabilities = IAGnssRil::NETWORK_CAPABILITY_NOT_ROAMING;
+    networkAttributes.apn = "placeholder-apn";
+    status = iAGnssRil->updateNetworkState(networkAttributes);
+    ASSERT_TRUE(status.isOk());
+
+    // Update GNSS HAL that network has disconnected.
+    networkAttributes.isConnected = false;
+    status = iAGnssRil->updateNetworkState(networkAttributes);
+    ASSERT_TRUE(status.isOk());
+
     // Set RefLocation
     IAGnssRil::AGnssRefLocationCellID agnssReflocationCellId;
     agnssReflocationCellId.type = IAGnssRil::AGnssRefLocationType::LTE_CELLID;
@@ -1020,6 +1273,9 @@
 
         // Validity check GnssData fields
         CheckGnssMeasurementClockFields(lastMeasurement);
+        for (const auto& measurement : lastMeasurement.measurements) {
+            CheckGnssMeasurementFields(measurement, lastMeasurement);
+        }
     }
 
     status = iGnssMeasurement->close();
@@ -1076,12 +1332,11 @@
  * PhaseCenterVariationCorrections and SignalGainCorrections are optional.
  */
 TEST_P(GnssHalTest, TestGnssAntennaInfo) {
-    const int kAntennaInfoTimeoutSeconds = 2;
-
     if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         return;
     }
 
+    const int kAntennaInfoTimeoutSeconds = 2;
     sp<IGnssAntennaInfo> iGnssAntennaInfo;
     auto status = aidl_gnss_hal_->getExtensionGnssAntennaInfo(&iGnssAntennaInfo);
     ASSERT_TRUE(status.isOk());
diff --git a/gnss/common/utils/default/Utils.cpp b/gnss/common/utils/default/Utils.cpp
index 4e6a718..a519d3a 100644
--- a/gnss/common/utils/default/Utils.cpp
+++ b/gnss/common/utils/default/Utils.cpp
@@ -217,7 +217,8 @@
                        .biasUncertaintyNs = 47514.989972114563,
                        .driftNsps = -51.757811607455452,
                        .driftUncertaintyNsps = 310.64968328491528,
-                       .hwClockDiscontinuityCount = 1};
+                       .hwClockDiscontinuityCount = 1,
+                       .referenceSignalTypeForIsb = signalType};
 
     ElapsedRealtime timestamp = {
             .flags = ElapsedRealtime::HAS_TIMESTAMP_NS | ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS,
diff --git a/gnss/common/utils/vts/Utils.cpp b/gnss/common/utils/vts/Utils.cpp
index da4c07f..4c725a8 100644
--- a/gnss/common/utils/vts/Utils.cpp
+++ b/gnss/common/utils/vts/Utils.cpp
@@ -20,12 +20,16 @@
 #include "gtest/gtest.h"
 
 #include <cutils/properties.h>
+#include <utils/SystemClock.h>
 
 namespace android {
 namespace hardware {
 namespace gnss {
 namespace common {
 
+using android::hardware::gnss::ElapsedRealtime;
+using android::hardware::gnss::GnssLocation;
+
 using namespace measurement_corrections::V1_0;
 using V1_0::GnssLocationFlags;
 
@@ -45,6 +49,50 @@
     return location.timestamp;
 }
 
+template <>
+void Utils::checkLocationElapsedRealtime(const V1_0::GnssLocation&) {}
+
+template <>
+void Utils::checkLocationElapsedRealtime(const android::hardware::gnss::GnssLocation& location) {
+    checkElapsedRealtime(location.elapsedRealtime);
+}
+
+void Utils::checkElapsedRealtime(const ElapsedRealtime& elapsedRealtime) {
+    ASSERT_TRUE(elapsedRealtime.flags >= 0 &&
+                elapsedRealtime.flags <= (ElapsedRealtime::HAS_TIMESTAMP_NS |
+                                          ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS));
+    if (elapsedRealtime.flags & ElapsedRealtime::HAS_TIMESTAMP_NS) {
+        ASSERT_TRUE(elapsedRealtime.timestampNs > 0);
+    }
+    if (elapsedRealtime.flags & ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS) {
+        ASSERT_TRUE(elapsedRealtime.timeUncertaintyNs > 0);
+    }
+}
+
+const GnssLocation Utils::getMockLocation(double latitudeDegrees, double longitudeDegrees,
+                                          double horizontalAccuracyMeters) {
+    ElapsedRealtime elapsedRealtime;
+    elapsedRealtime.flags =
+            ElapsedRealtime::HAS_TIMESTAMP_NS | ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS;
+    elapsedRealtime.timestampNs = ::android::elapsedRealtimeNano();
+    elapsedRealtime.timeUncertaintyNs = 1000;
+    GnssLocation location;
+    location.gnssLocationFlags = 0xFF;
+    location.latitudeDegrees = latitudeDegrees;
+    location.longitudeDegrees = longitudeDegrees;
+    location.altitudeMeters = 500.0;
+    location.speedMetersPerSec = 0.0;
+    location.bearingDegrees = 0.0;
+    location.horizontalAccuracyMeters = horizontalAccuracyMeters;
+    location.verticalAccuracyMeters = 1000.0;
+    location.speedAccuracyMetersPerSecond = 1000.0;
+    location.bearingAccuracyDegrees = 90.0;
+    location.timestampMillis =
+            static_cast<int64_t>(kMockTimestamp + ::android::elapsedRealtimeNano() * 1e-6);
+    location.elapsedRealtime = elapsedRealtime;
+    return location;
+}
+
 const MeasurementCorrections Utils::getMockMeasurementCorrections() {
     ReflectingPlane reflectingPlane = {
             .latitudeDegrees = 37.4220039,
diff --git a/gnss/common/utils/vts/include/Utils.h b/gnss/common/utils/vts/include/Utils.h
index 4ea6cd6..7b89078 100644
--- a/gnss/common/utils/vts/include/Utils.h
+++ b/gnss/common/utils/vts/include/Utils.h
@@ -19,11 +19,13 @@
 
 #include <android/hardware/gnss/1.0/IGnss.h>
 #include <android/hardware/gnss/2.0/IGnss.h>
+#include <android/hardware/gnss/IGnss.h>
 #include <android/hardware/gnss/measurement_corrections/1.0/IMeasurementCorrections.h>
 #include <android/hardware/gnss/measurement_corrections/1.1/IMeasurementCorrections.h>
 #include <android/hardware/gnss/measurement_corrections/BnMeasurementCorrectionsInterface.h>
 
 #include <gtest/gtest.h>
+#include <type_traits>
 
 namespace android {
 namespace hardware {
@@ -32,8 +34,18 @@
 
 struct Utils {
   public:
+    static const int64_t kMockTimestamp = 1519930775453L;
+
     template <class T>
     static void checkLocation(const T& location, bool check_speed, bool check_more_accuracies);
+    template <class T>
+    static void checkLocationElapsedRealtime(const T& location);
+
+    static void checkElapsedRealtime(
+            const android::hardware::gnss::ElapsedRealtime& elapsedRealtime);
+
+    static const android::hardware::gnss::GnssLocation getMockLocation(
+            double latitudeDegrees, double longitudeDegrees, double horizontalAccuracyMeters);
     static const measurement_corrections::V1_0::MeasurementCorrections
     getMockMeasurementCorrections();
     static const measurement_corrections::V1_1::MeasurementCorrections
@@ -117,6 +129,8 @@
 
     // Check timestamp > 1.48e12 (47 years in msec - 1970->2017+)
     EXPECT_GT(getLocationTimestampMillis(location), 1.48e12);
+
+    checkLocationElapsedRealtime(location);
 }
 
 }  // namespace common