The ECM detects that the APP sensor 1 voltage is less than 0.5 volt, or greater than 4.8 volts for less than 1 second.
Home/Chevrolet/Aveo/Chevrolet Aveo I рестайлинг (2006-2012)/Repair manual/Testing & Diagnostics/P2120
Contents
Section: Testing & Diagnostics- Temperature Versus Resistance
- Altitude Versus Barometric Pressure
- Ignition System Specifications
- Fastener Tightening Specifications
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Controls
- Diagnostic Instructions
- Diagnostic Fault Information
- Circuit/system Description
- Conditions for Running the Dtcs
- Conditions for Setting the Dtcs
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/system Verification
- Circuit/system Testing
- Component Testing
- Repair Procedures
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Circuit Description
- Conditions for Clearing the Mil/dtc
- Typical Scan Tool Data
- P0102
- P0103
- Condition for Running the DTC
- P0107
- P0108
- P0112
- P0113
- P0117
- P0118
- P0121
- P0122
- P0123
- P0222
- P0223
- P2135
- DTC P0131 or P0137
- DTC P0132 or P0138
- DTC P0134 or P0140
- Dtcs P0131, P0132, and P0134
- P0133
- P1133
- P0171
- P0172
- Repair Verification
- P0324 or P0326
- P06B6
- P0325
- P0327
- P0328
- DTC p0335
- DTC p0336
- P0451
- P0454
- P0452
- P0453
- With Service Bay Test
- Without Service Bay Test
- P0506
- P0507
- P0641
- P0651
- P0697
- P06A3
- P0685
- P0689
- P0690
- P1516 and P2101
- P2119
- P2176
- P1516, P2101, or P2176
- P2120
- P2122
- P2123
- P2125
- P2127
- P2128
- P2138
- P2120, P2122 or P2123
- P2125, P2126 or P2127
- DTC Type Reference
- Symptoms Description
- Symptoms Verification
- Symptoms Testing
- Detonation/spark Knock
- Lack of Power, Hesitation, or Cut Out
- Rough, Unstable, or Incorrect Idle and Stalling
- Surges/chuggles
- Hard Start
- Hesitation, Sag, Stumble
- Poor Fuel Economy
- Poor Fuel Fill Quality
- Difficult to Fill
- Fuel Odor
- Test Description
- System Verification
- System Testing
- Particulate Contaminants in Fuel Testing Procedure
- Description
- Conditions for Updating the I/m System Status
- Monitored Emission Control Systems
- Conditions for Meeting a Cold Start
- Inspection/maintenance (I/m) System Set Procedure
- Inspection/maintenance (I/m) System DTC Table
- Removal Procedure
- Installation Procedure
- Crankshaft Position System Variation Learn
- Idle Learn
- Special Tools
- Fuel Pressure Relief
- Installation and Removal
- Spark Plug Inspection
- Engine Control Module Description
- ECM Function
- Eeprom
- ECM Default Actions
- ECM Output Controls
- Data Link Connector (Dlc)
- Malfunction Indicator Lamp (MIL)
- ECM Service Precautions
- Fuel System Overview
- Fuel Filler Cap (Typical)
- Fuel Level Sensor
- Fuel Pump
- Fuel Sender Strainer
- Fuel Filter
- Fuel Pressure Regulator
- On-Board Refueling Vapor Recovery (Orvr) System (If Equipped)
- Fuel Injectors
- Modes of Operation
- Throttle Actuator Control (Tac) System Description
- Throttle Body Relearn Procedure
- Tac System Default Actions/reduce Power Modes
- Cmp Actuator System Operation
- Cmp Actuator Solenoid Circuit Diagnostics
- Cmp Actuator System Performance Diagnostic
- Evap System Operation
- Large Leak Test
- Small Leak Test
- Canister Vent Restriction Test
- Purge Valve Leak Test
- Evap System Components
- Evap Canister
- Evap Purge Solenoid Valve
- Evap Vent Solenoid Valve
- Fuel Tank Pressure Sensor
- Evap Service Port
- Evaporative Emission System Tester
- On Board Refueling Vapor Recovery (Orvr) System
- Electronic Ignition (Ei) System Description
- Crankshaft Position (Ckp) Sensor
- Crankshaft Reluctor Wheel
- Camshaft Position (Cmp) Sensor
- Camshaft Reluctor Wheel
- Ignition Coils (Ic)
- Engine Control Module (ECM)
- Noteworthy Ignition Information
- Purpose
- Sensor Description
- Air Intake System Description
- Abbreviations
- Airbag
- Anti-Lock/traction Control
- Automatic HVAC System
- Automatic Trans
- Basic Trouble Shooting
- Body Electrical
- Brakes
- Cabin Air Filter
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Communication Devices
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Entertainment Systems
- Exhaust
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Frames, Subframes & Crossmembers
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- Heated Glass/defoggers
- Hoist/jack
- Horns
- Identification
- Ignition Switch/steering Lock
- Lubrication System
- Manual & Power Steering
- Manual HVAC System
- Manual Trans
- MAP Guidelines
- Mechanical
- Mechanical - Hydraulic
- Memory Modules
- Metric Conversions
- Mirrors
- Mode 6
- Oem General Information
- Paint/coatings
- Parking Brake System
- Reset Procedures
- Restraints Control Systems
- Seats
- Specifications
- Steering
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Traction Control Disable
- Transmission
- Warning System
- Wheel & Tire System
- Wheel Alignment
- Wiper/washer Systems
- Wiring Systems and Power Management - Component Views (3 of 3) and Component Connector End Views
- Wiring Systems and Power Management - Introduction