Note. ECM compares front and rear HO2S output signals to determine whether rear HO2S output signal is beginning to match the front HO2S output signal. As catalytic converter efficiency declines the front and rear HO2S output signals become more and more alike.
Home/Hyundai/Tiburon/Hyundai Tiburon I рестайлинг (1999-2002)/Repair manual/Testing & Diagnostics/DTC P0422: CATALYST EFFICIENCY BELOW THRESHOLD
Contents
Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Self-Diagnostics - Introduction: Overview
- Engine Controls - Self-Diagnostics - Introduction: Diagnosis
- Engine Controls - Self-Diagnostics - Introduction: Component Locations
- Engine Controls - Self-Diagnostics - Introduction: Other
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - Self-Diagnostics: Overview
- Engine Controls - Self-Diagnostics: Diagnosis
- DTC P0102, P0103: MASS AIRFLOW (MAF) SENSOR
- Engine Controls - Self-Diagnostics: Other
- DTC P0112, P0113: INTAKE AIR TEMPERATURE (IAT) SENSOR
- DTC P0116, P0117, P0118: ENGINE COOLANT TEMPERATURE (ECT) SENSOR
- DTC P0121, P0122, P0123: THROTTLE POSITION (TP) SENSOR
- DTC P0130, P0136: HO2S CIRCUIT MALFUNCTION
- DTC P0131, P0137: HO2S CIRCUIT LOW VOLTAGE
- DTC P0132, P0138: HO2S CIRCUIT HIGH VOLTAGE
- DTC P0133, P0134: FRONT HO2S CIRCUIT SLOW RESPONSE OR NO ACTIVITY DETECTED
- DTC P0135, P0141: HO2S HEATER CIRCUIT MALFUNCTION
- DTC P0201, P0202, P0203, P0204: CYLINDERS NO. 1-4 INJECTOR CIRCUIT MALFUNCTION
- DTC P0300: RANDOM MISFIRE DETECTED
- DTC P0301, P0302, P0303, P0304: CYLINDERS NO. 1-4 MISFIRE DETECTED
- DTC P0326: KNOCK SENSOR (KS) RANGE
- DTC P0335, P0336: CRANKSHAFT POSITION (CKP) SENSOR
- DTC P0342, P0343: CAMSHAFT POSITION (CMP) SENSOR
- DTC P0422: CATALYST EFFICIENCY BELOW THRESHOLD
- DTC P0441, P0442, P0443, P0455: EVAP PURGE CONTROL VALVE SYSTEM
- DTC P0444, P0445: EVAP PURGE CONTROL VALVE
- DTC P0446, P0447, P0448: CANISTER CLOSE VALVE
- DTC P0451, P0452, P0453: FUEL TANK PRESSURE (FTP) SENSOR
- DTC P0501: VEHICLE SPEED SENSOR (VSS) MALFUNCTION
- DTC P0506, P0507: IDLE RPM IS NOT AS EXPECTED
- DTC P1123, P1124, P1127, P1128: AIR/FUEL RATIO CONTROL
- DTC P1510, P1552: IDLE SPEED CONTROL (ISC) ACTUATOR CIRCUIT SHORTED
- DTC P1513, P1553: IDLE SPEED CONTROL (ISC) ACTUATOR CIRCUIT OPEN
- DTC P1605, P1606: ACCELERATION/ROUGH ROAD SENSOR
- DTC P1611, P1613: MIL REQUEST SIGNAL CIRCUIT
- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic Trans
- Auxiliary Emission Control Systems
- Axle Shafts
- Basic Trouble Shooting
- Body, Cab Control Systems
- Brakes
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Computer Relearn
- Cooling Fan
- Cruise Control Systems
- Diagnostic Connector Locations
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical
- Electrical Component Locations
- Electronic Steering
- Emission Applications
- Engine
- Engine Performance
- Exterior Lights
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Headlights
- Heated Glass/defoggers
- Identification
- Interior/illumination Lights
- Manual & Power Steering
- Manual HVAC System
- Manual Trans
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Oem General Information
- Removal & Installation
- Restraints
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Timing Belt
- Traction Control Disable
- Transmission
- Warning System
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance
- Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)