Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures - HEV
  • DTC Index - HEV
  • Electrical Component Locations
    • Component Locations (HEV)
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Tech Tips
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views (A/V & Navigation Keyboard Harness) - HEV
    • OEM Connector End Views (A/V & Navigation USB Harness) - HEV
    • OEM Connector End Views (BMS Assembly Harness) HEV
    • OEM Connector End Views (BMS Assembly Safety Plug Harness) HEV
    • OEM Connector End Views (BMS Cooler Harness) HEV
    • OEM Connector End Views (BMS Ext. Harness) - HEV
    • OEM Connector End Views (Console Ext. Harness) HEV
    • OEM Connector End Views (Control Harness) HEV
    • OEM Connector End Views (Direct Current Power Harness) - HEV
    • OEM Connector End Views (Door Harness) HEV
    • OEM Connector End Views (Driver Air Bag Harness) HEV
    • OEM Connector End Views (Driver Door Ext. Harness) HEV
    • OEM Connector End Views (Driver Seat Ext. Harness) HEV
    • OEM Connector End Views (Engine Management System Box) HEV
    • OEM Connector End Views (EPS Power Ext. Harness) - HEV
    • OEM Connector End Views (Floor Harness) HEV
    • OEM Connector End Views (Front End Module Harness) HEV
    • OEM Connector End Views (Front Harness) HEV
    • OEM Connector End Views (Fuel Pump Motor Harness) HEV
    • OEM Connector End Views (Harness Connectors) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (LH)) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (RH)) - HEV
    • OEM Connector End Views (HPCU Harness) HEV
    • OEM Connector End Views (I/P Junction Box) - HEV
    • OEM Connector End Views (Joint Connectors) - HEV
    • OEM Connector End Views (Main Harness) HEV
    • OEM Connector End Views (Passenger Air Bag Harness) - HEV
    • OEM Connector End Views (Passenger Seat Ext. Harness) HEV
    • OEM Connector End Views (Rear Bumper Harness) - HEV
    • OEM Connector End Views (Roof Harness) HEV
    • OEM Connector End Views (Seat Harness) - HEV
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Immobilizer System Diagnosis - HEV
    • Keyless Entry & Burglar Alarm - HEV
    • Power Door Locks - HEV
    • Smart Key Code Saving (Button) Diagnosis - HEV
    • Smart Key Code Saving Diagnosis - Except HEV
    • Smart Key System - HEV
    • Smart Key Unit Diagnosis - HEV
  • Collision/Avoidance
    • Virtual Engine Sound System (VESS) - HEV
  • Communication Devices
    • Body Control Module (BCM) - HEV
    • Body Control Module Diagnosis - HEV
    • Smart Junction Box Diagnosis - HEV
  • Cruise Control Systems
    • Cruise Control System (HEV)
  • Drivers Assistance Systems - ADAS
    • Virtual Engine Sound System (VESS) - HEV
  • Entertainment Systems
    • Audio System - HEV
    • Audio/Video/Navigation (AVN) System - HEV
    • Hands Free System - HEV
  • Exterior Lights
    • Auto Lighting Control System - HEV
    • Lighting System - HEV
  • Gauges & Instrument Panels
    • Cluster Module Diagnosis - HEV
    • Indicators & Gauges - HEV
    • Interior Trim & Glass - HEV
  • Headlights
    • Auto Headlamp Leveling Device - HEV
    • Auto Headlamp Leveling System Diagnosis - HEV
    • Lighting System - HEV
  • Heated Glass/Defoggers
    • Rear Glass Defogger - HEV
    • Windshield Deicer - HEV
  • Horns
    • Horn System - HEV
  • Infotainment
    • Audio System - HEV
    • Audio/Video/Navigation (AVN) System - HEV
    • Hands Free System - HEV
    • Rear Parking Assist System - HEV
  • Interior/Exterior Trim
    • Body - Interior And Exterior - General Information - HEV
    • Interior Trim & Glass - HEV
  • Interior/Illumination Lights
    • Lighting System - HEV
  • Memory Modules
    • Integrated Memory System (IMS) - HEV
  • Mirrors
    • Electro Chromic Inside Rear View Mirror - HEV
    • Power Door Mirrors - HEV
  • Seats
    • Power Seat Module Diagnosis - HEV
    • Seat & Power Seat - HEV
    • Seat Electrical - HEV
  • Steering Column Switches
    • MULTIFUNCTION Switch - HEV
  • Window Motors & Regulators
    • Interior Trim & Glass - HEV
    • Power Windows - HEV
  • Wiper/Washer Systems
    • Windshield Wiper/Washer System - HEV
• Body & Frame
  • Door Locks
    • Immobilizer System Diagnosis - HEV
    • Keyless Entry & Burglar Alarm - HEV
    • Power Door Locks - HEV
    • Smart Key Code Saving (Button) Diagnosis - HEV
    • Smart Key Code Saving Diagnosis - Except HEV
    • Smart Key System - HEV
    • Smart Key Unit Diagnosis - HEV
  • Exterior Body Panels
    • Body - Interior And Exterior - General Information - HEV
    • Exterior Body Panels - HEV
    • Front & Rear Bumpers - HEV
    • Fuel Filler Door - HEV
  • Exterior/Interior Trim
    • Body - Interior And Exterior - General Information - HEV
    • Interior Trim & Glass - HEV
  • Mirrors
    • Electro Chromic Inside Rear View Mirror - HEV
    • Power Door Mirrors - HEV
  • Seats
    • Power Seat Module Diagnosis - HEV
    • Seat & Power Seat - HEV
    • Seat Electrical - HEV
  • Sun Roof/T-Top/Convertible Top
    • PANORAMAROOF - HEV
  • Windows
    • Interior Trim & Glass - HEV
    • Power Windows - HEV
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System/Electronic Stability Control Diagnosis - HEV
    • Electronic Stability Control (ESC) System - HEV
  • Mechanical - Hydraulic
    • Active Hydraulic Booster (AHB) System - HEV
    • Active Hydraulic Booster (AHB) System Diagnosis - HEV
    • Disc Brake System - General Information - HEV
    • Disc Brake System - HEV
  • Parking Brake System - HEV
  • Traction Control
    • Antilock Brake System/Electronic Stability Control Diagnosis - HEV
    • Electronic Stability Control (ESC) System - HEV
• Drivelines & Axles
  • Axle Shafts
    • Driveshaft & Axle - General Information - Except HEV
    • Driveshaft & Axle - General Information - HEV
    • Driveshaft Assembly - HEV
  • Differentials & Drive Axles
    • Driveshaft & Axle - General Information - Except HEV
    • Driveshaft & Axle - General Information - HEV
  • Driveshaft & Universal Joints
    • Driveshaft & Axle - General Information - Except HEV
    • Driveshaft & Axle - General Information - HEV
  • Locking Hubs
    • Driveshaft & Axle - General Information - Except HEV
    • Driveshaft & Axle - General Information - HEV
  • Wheel Hubs
    • Driveshaft & Axle - General Information - Except HEV
    • Driveshaft & Axle - General Information - HEV
    • Front Axle Assembly - HEV
    • Rear Axle Assembly - HEV
• Electrical
  • Body Electrical
    • Body Electrical System - General Information - HEV
    • OEM Connector End Views (A/V & Navigation Keyboard Harness) - HEV
    • OEM Connector End Views (A/V & Navigation USB Harness) - HEV
    • OEM Connector End Views (BMS Assembly Harness) HEV
    • OEM Connector End Views (BMS Assembly Safety Plug Harness) HEV
    • OEM Connector End Views (BMS Cooler Harness) HEV
    • OEM Connector End Views (BMS Ext. Harness) - HEV
    • OEM Connector End Views (Console Ext. Harness) HEV
    • OEM Connector End Views (Control Harness) HEV
    • OEM Connector End Views (Direct Current Power Harness) - HEV
    • OEM Connector End Views (Door Harness) HEV
    • OEM Connector End Views (Driver Air Bag Harness) HEV
    • OEM Connector End Views (Driver Door Ext. Harness) HEV
    • OEM Connector End Views (Driver Seat Ext. Harness) HEV
    • OEM Connector End Views (Engine Management System Box) HEV
    • OEM Connector End Views (EPS Power Ext. Harness) - HEV
    • OEM Connector End Views (Floor Harness) HEV
    • OEM Connector End Views (Front End Module Harness) HEV
    • OEM Connector End Views (Front Harness) HEV
    • OEM Connector End Views (Fuel Pump Motor Harness) HEV
    • OEM Connector End Views (Harness Connectors) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (LH)) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (RH)) - HEV
    • OEM Connector End Views (HPCU Harness) HEV
    • OEM Connector End Views (I/P Junction Box) - HEV
    • OEM Connector End Views (Joint Connectors) - HEV
    • OEM Connector End Views (Main Harness) HEV
    • OEM Connector End Views (Passenger Air Bag Harness) - HEV
    • OEM Connector End Views (Passenger Seat Ext. Harness) HEV
    • OEM Connector End Views (Rear Bumper Harness) - HEV
    • OEM Connector End Views (Roof Harness) HEV
    • OEM Connector End Views (Seat Harness) - HEV
  • Charging Systems
    • Charging System - HEV
    • Engine Electrical System - General Information - HEV
  • Component Locations (HEV)
  • Fuses & Circuit Breakers
    • Fuses & Relays - HEV
  • Gauges
    • Cluster Module Diagnosis - HEV
    • Indicators & Gauges - HEV
    • Interior Trim & Glass - HEV
  • Horns
    • Horn System - HEV
  • Motors, Switches, Relays
    • Body Electrical System - General Information - HEV
    • OEM Connector End Views (A/V & Navigation Keyboard Harness) - HEV
    • OEM Connector End Views (A/V & Navigation USB Harness) - HEV
    • OEM Connector End Views (BMS Assembly Harness) HEV
    • OEM Connector End Views (BMS Assembly Safety Plug Harness) HEV
    • OEM Connector End Views (BMS Cooler Harness) HEV
    • OEM Connector End Views (BMS Ext. Harness) - HEV
    • OEM Connector End Views (Console Ext. Harness) HEV
    • OEM Connector End Views (Control Harness) HEV
    • OEM Connector End Views (Direct Current Power Harness) - HEV
    • OEM Connector End Views (Door Harness) HEV
    • OEM Connector End Views (Driver Air Bag Harness) HEV
    • OEM Connector End Views (Driver Door Ext. Harness) HEV
    • OEM Connector End Views (Driver Seat Ext. Harness) HEV
    • OEM Connector End Views (Engine Management System Box) HEV
    • OEM Connector End Views (EPS Power Ext. Harness) - HEV
    • OEM Connector End Views (Floor Harness) HEV
    • OEM Connector End Views (Front End Module Harness) HEV
    • OEM Connector End Views (Front Harness) HEV
    • OEM Connector End Views (Fuel Pump Motor Harness) HEV
    • OEM Connector End Views (Harness Connectors) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (LH)) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (RH)) - HEV
    • OEM Connector End Views (HPCU Harness) HEV
    • OEM Connector End Views (I/P Junction Box) - HEV
    • OEM Connector End Views (Joint Connectors) - HEV
    • OEM Connector End Views (Main Harness) HEV
    • OEM Connector End Views (Passenger Air Bag Harness) - HEV
    • OEM Connector End Views (Passenger Seat Ext. Harness) HEV
    • OEM Connector End Views (Rear Bumper Harness) - HEV
    • OEM Connector End Views (Roof Harness) HEV
    • OEM Connector End Views (Seat Harness) - HEV
  • Starter
    • Button Engine Start System - HEV
    • Engine Electrical System - General Information - HEV
  • Wiring Diagrams
    • OEM Connector End Views (A/V & Navigation Keyboard Harness) - HEV
    • OEM Connector End Views (A/V & Navigation USB Harness) - HEV
    • OEM Connector End Views (BMS Assembly Harness) HEV
    • OEM Connector End Views (BMS Assembly Safety Plug Harness) HEV
    • OEM Connector End Views (BMS Cooler Harness) HEV
    • OEM Connector End Views (BMS Ext. Harness) - HEV
    • OEM Connector End Views (Console Ext. Harness) HEV
    • OEM Connector End Views (Control Harness) HEV
    • OEM Connector End Views (Direct Current Power Harness) - HEV
    • OEM Connector End Views (Door Harness) HEV
    • OEM Connector End Views (Driver Air Bag Harness) HEV
    • OEM Connector End Views (Driver Door Ext. Harness) HEV
    • OEM Connector End Views (Driver Seat Ext. Harness) HEV
    • OEM Connector End Views (Engine Management System Box) HEV
    • OEM Connector End Views (EPS Power Ext. Harness) - HEV
    • OEM Connector End Views (Floor Harness) HEV
    • OEM Connector End Views (Front End Module Harness) HEV
    • OEM Connector End Views (Front Harness) HEV
    • OEM Connector End Views (Fuel Pump Motor Harness) HEV
    • OEM Connector End Views (Harness Connectors) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (LH)) HEV
    • OEM Connector End Views (Head Lamp Ext. Harness (RH)) - HEV
    • OEM Connector End Views (HPCU Harness) HEV
    • OEM Connector End Views (I/P Junction Box) - HEV
    • OEM Connector End Views (Joint Connectors) - HEV
    • OEM Connector End Views (Main Harness) HEV
    • OEM Connector End Views (Passenger Air Bag Harness) - HEV
    • OEM Connector End Views (Passenger Seat Ext. Harness) HEV
    • OEM Connector End Views (Rear Bumper Harness) - HEV
    • OEM Connector End Views (Roof Harness) HEV
    • OEM Connector End Views (Seat Harness) - HEV
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Crankcase Emission Control System - HEV
    • Emission Control System - General Information - HEV
    • Evaporative Emission Control System - HEV
    • Exhaust Emission Control System - HEV
  • Cooling System (Mechanical)
    • Active Air Flap Diagnosis - HEV
    • Engine Cooling System - HEV
  • Intake & Exhaust System - HEV
  • Fuel System
    • Engine Control/Fuel System - General Information - HEV
    • Fuel Delivery System - HEV
  • Engine Lubrication System - HEV
  • Mechanical
    • Cylinder Block - HEV
    • Cylinder Head Assembly - HEV
    • Engine & Transaxle Assembly (R&I) - HEV
    • Engine Mechanical System - General Information - HEV
    • Intake & Exhaust System - HEV
    • Timing System - HEV
  • Starter
    • Button Engine Start System - HEV
    • Engine Electrical System - General Information - HEV
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Engine Control System - HEV
    • Engine Control/Fuel System - General Information - HEV
  • Fuel Delivery
    • Engine Control/Fuel System - General Information - HEV
    • Fuel Delivery System - HEV
  • Ignition System
    • Engine Electrical System - General Information - HEV
    • Ignition System - HEV
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Engine Control System Diagnosis (1 Of 2) - HEV
    • Engine Control System Diagnosis (2 Of 2) - HEV
  • Testing & Diagnosis
    • Engine Control System Diagnosis (1 Of 2) - HEV
    • Engine Control System Diagnosis (2 Of 2) - HEV
  • Tune-Up
    • Engine Electrical System - General Information - HEV
    • Ignition System - HEV
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • OBD-II Drive Cycles
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index - HEV
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Hoist/Jack
    • General Information - HEV
  • Identification
    • CANADIAN Model Cross-Reference
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • General Information - HEV
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures - HEV
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Towing
    • General Information - HEV
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • A/C Compressor
    • Air Conditioning System - HEV
    • Heating, Ventilation And Air Conditioning - General Information - HEV
  • General Servicing
    • Air Conditioning System - HEV
    • Cabin Air Filter
    • Heating, Ventilation And Air Conditioning - General Information - HEV
  • HVAC Control Systems
    • Air Conditioning System - HEV
    • Air Conditioning System Diagnosis - HEV
    • Blower System - HEV
    • Heater & A/C Controller Unit - HEV
    • Heater System - HEV
    • Heating, Ventilation And Air Conditioning - General Information - HEV
• Hybrid/Electric Powertrain
  • Battery Management Systems
    • High Voltage Battery Control System - HEV
    • High Voltage Battery System - HEV
    • Hybrid Service Disable Procedures
  • Cooling Systems
    • High Voltage Battery Cooling System - HEV
    • Hybrid Motor Cooling System - HEV
  • Electric Converters and Controllers
    • High Voltage Battery Control System - HEV
    • Hybrid Control System - General Information - HEV
    • Hybrid Control System - HEV
    • Hybrid Motor Control System - HEV
    • Low Voltage Dc/Dc Converter (LDC) - HEV
    • Power Cable - HEV
  • Electric Motor Systems
    • Hybrid Motor Assembly - HEV
    • Hybrid Motor System - General Information - HEV
  • Testing and Diagnosis
    • HEV Battery Management System Diagnosis - HEV
    • HEV Control System Diagnosis - HEV
    • HEV Motor Control System Diagnosis - HEV
    • Low Dc/Dc Converter Diagnosis - HEV
• Maintenance
  • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Airbag Modules - HEV
    • Airbag System - Weight Classification Diagnosis - HEV
    • Airbag System Diagnosis - HEV
    • Supplemental Restraint System Control Module (SRSCM) & Sensors - HEV
  • Passive Restraints
    • Front And Rear Seat Belts - HEV
    • Seat Belt PRETENSIONER - HEV
  • Restraints Control Systems
    • Restraints - General Information - HEV
  • Seat Belts
    • Restraints - General Information - HEV
• Steering
  • Electronic Steering
    • Electric Power Steering - HEV
  • Manual Steering
    • Motor Driven Power Steering Diagnosis - HEV
    • Steering System - General Information - HEV
  • Power Steering
    • Motor Driven Power Steering Diagnosis - HEV
    • Steering System - General Information - HEV
  • Steering Column
    • Electric Power Steering - HEV
  • Steering Gear
    • Electric Power Steering - HEV
• Suspension
  • Front Suspension
    • Front Axle Assembly - HEV
    • Front Suspension System - HEV
    • Rear Suspension System - HEV
    • Suspension System - General Information - HEV
  • Rear Suspension
    • Rear Axle Assembly - HEV
    • Suspension System - General Information - HEV
  • Wheel Alignment
    • KIA Wheel Alignment Specifications - Optima
    • Suspension System - General Information - HEV
    • Tires/Wheels/Wheel Alignment - HEV
  • Wheels & Tire System
    • Suspension System - General Information - HEV
    • Tire Pressure Monitoring System - HEV
    • Tire Pressure Monitoring System Diagnosis - HEV
    • Tires/Wheels/Wheel Alignment - HEV
• Transmission
  • Automatic Trans
    • Automatic Transaxle Control System - HEV
    • Automatic Transaxle System - General Information - HEV
    • Automatic Transaxle System - HEV
    • Automatic Transaxle System Diagnosis - HEV
    • Clutch & Brake - HEV
    • Engine & Transaxle Assembly (R&I) - HEV
    • Hydraulic System - HEV
  • Transmission Control Systems
    • Automatic Transaxle Control System - HEV
• External Pages