<?xml version="1.0" encoding="utf-8"?>
<schema xmlns:ck0002040318="http://www.capitalgroup.com/20260311" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:deprecated="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:cef="http://xbrl.sec.gov/cef/2025" xmlns:cef-pre="http://xbrl.sec.gov/cef-pre/2025" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" targetNamespace="http://www.capitalgroup.com/20260311" elementFormDefault="qualified">
  <!-- INTEGIX by Ez-XBRL -->
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <import namespace="http://xbrl.sec.gov/cef/2025" schemaLocation="https://xbrl.sec.gov/cef/2025/cef-2025.xsd"/>
  <import namespace="http://xbrl.sec.gov/cef-pre/2025" schemaLocation="https://xbrl.sec.gov/cef/2025/cef-2025_pre.xsd"/>
  <import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.capitalgroup.com/role/Cover" id="Cover">
        <link:definition>0001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.capitalgroup.com/role/FeeTable" id="FeeTable">
        <link:definition>0002 - Disclosure - Summary of Fees &amp; Expenses And Example Table</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.capitalgroup.com/role/FinancialHighlights" id="FinancialHighlights">
        <link:definition>0003 - Disclosure - Senior Securities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.capitalgroup.com/role/CapitalStockLongTermDebtAndOtherSecurities" id="CapitalStockLongTermDebtAndOtherSecurities">
        <link:definition>0005 - Disclosure - Capital Stock Long Term Debt And Other Securities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.capitalgroup.com/role/GeneralDescriptionOfRegistrant" id="GeneralDescriptionOfRegistrant">
        <link:definition>0007 - Disclosure - General Description Of Registrant</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0002040318-20260311_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0002040318-20260311_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0002040318-20260311_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
    </appinfo>
  </annotation>
  <element name="AvailabilityOfInvestmentOpportunitiesCompetitionRiskMember" id="ck0002040318_AvailabilityOfInvestmentOpportunitiesCompetitionRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="BorrowerFraudCovenantLiteLoansBreachOfCovenantMember" id="ck0002040318_BorrowerFraudCovenantLiteLoansBreachOfCovenantMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ComplexTransactionsContingentLiabilitiesGuaranteesAndIndemnitiesMember" id="ck0002040318_ComplexTransactionsContingentLiabilitiesGuaranteesAndIndemnitiesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CurrencyRiskMember" id="ck0002040318_CurrencyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CurrencyTransactionsRiskMember" id="ck0002040318_CurrencyTransactionsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CybersecurityBreachesRiskMember" id="ck0002040318_CybersecurityBreachesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="DependenceOnInvestmentAdviserAndSubAdviserRiskMember" id="ck0002040318_DependenceOnInvestmentAdviserAndSubAdviserRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ExposureToCountryRegionIndustryOrSectorRiskMember" id="ck0002040318_ExposureToCountryRegionIndustryOrSectorRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InterestRateRisksMember" id="ck0002040318_InterestRateRisksMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInDebtInstrumentsRiskMember" id="ck0002040318_InvestingInDebtInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInDerivativesRiskMember" id="ck0002040318_InvestingInDerivativesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInEmergingMarketsRiskMember" id="ck0002040318_InvestingInEmergingMarketsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInFuturesContractsRiskMember" id="ck0002040318_InvestingInFuturesContractsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInHighlyLeveragedCompaniesRiskMember" id="ck0002040318_InvestingInHighlyLeveragedCompaniesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInIlliquidInvestmentsAndLiquidityRiskRiskMember" id="ck0002040318_InvestingInIlliquidInvestmentsAndLiquidityRiskRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInLowerRatedDebtInstrumentsRiskMember" id="ck0002040318_InvestingInLowerRatedDebtInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInMezzanineSecuritiesRiskMember" id="ck0002040318_InvestingInMezzanineSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInMortgageRelatedAndOtherAssetBasedFinanceSecuritiesRiskMember" id="ck0002040318_InvestingInMortgageRelatedAndOtherAssetBasedFinanceSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInMunicipalSecuritiesRiskMember" id="ck0002040318_InvestingInMunicipalSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInPrivateAndMiddleMarketCompaniesRiskMember" id="ck0002040318_InvestingInPrivateAndMiddleMarketCompaniesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInSecuritiesBackedByUnitedStatesGovernmentRiskMember" id="ck0002040318_InvestingInSecuritiesBackedByUnitedStatesGovernmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInSeniorLoansRiskMember" id="ck0002040318_InvestingInSeniorLoansRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInStructuredProductsRiskMember" id="ck0002040318_InvestingInStructuredProductsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInSubordinatedAndUnsecuredOrPartiallySecuredLoansRiskMember" id="ck0002040318_InvestingInSubordinatedAndUnsecuredOrPartiallySecuredLoansRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingInSwapsRiskMember" id="ck0002040318_InvestingInSwapsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestingOutsideUnitedStatesRiskMember" id="ck0002040318_InvestingOutsideUnitedStatesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="IssuerRiskMember" id="ck0002040318_IssuerRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="LenderLiabilityRiskMember" id="ck0002040318_LenderLiabilityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ManagementRiskMember" id="ck0002040318_ManagementRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="MarketConditionsRiskMember" id="ck0002040318_MarketConditionsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NewFundRiskMember" id="ck0002040318_NewFundRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NonDiversificationRiskMember" id="ck0002040318_NonDiversificationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PaymentInKindRiskMember" id="ck0002040318_PaymentInKindRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PrepaymentRisksMember" id="ck0002040318_PrepaymentRisksMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RepurchaseOffersRiskMember" id="ck0002040318_RepurchaseOffersRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareClassA2Member" id="ck0002040318_ShareClassA2Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareClassA3Member" id="ck0002040318_ShareClassA3Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareClassAMember" id="ck0002040318_ShareClassAMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareClassF2Member" id="ck0002040318_ShareClassF2Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareClassF3Member" id="ck0002040318_ShareClassF3Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareClassR6Member" id="ck0002040318_ShareClassR6Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ValuationRiskMember" id="ck0002040318_ValuationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WarehouseInvestmentsRiskMember" id="ck0002040318_WarehouseInvestmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WhenIssuedSecuritiesAndForwardCommitmentsRiskMember" id="ck0002040318_WhenIssuedSecuritiesAndForwardCommitmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
</schema>
