While the vehicle is driving, it slows down gradually by fuel cut. After the vehicle stops, the engine stalls. The engine can restart in "N" or "P" position, and engine speed will not exceed 1,000 RPM or more.
Home/Infiniti/M45/Infiniti M45 II (2002-2004)/Repair manual/Testing & Diagnostics/DTC P1121: Electric Throttle Control (ETC) Actuator
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Trouble Shooting - No Codes: Overview
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: NVH
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - System & Component Testing: Overview
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Component Locations
- Engine Controls - System & Component Testing: Other
- Engine Controls - Self-Diagnostics - M45: Adjustments
- Engine Controls - Self-Diagnostics - M45: Wiring
- Engine Controls - Self-Diagnostics - M45: Component Locations
- DTC P0102, P0103 & P1102: MAF Sensor
- DTC P0117 & P0118: ECT Sensor
- DTC P0122, P0123, P0222, P0223 & P2135: TP Sensor
- DTC P0605: Engine Control Module
- DTC P1121: Electric Throttle Control (ETC) Actuator
- DTC P1122: Electric Throttle Control Function
- DTC P1124 & P1126: Throttle Control Motor Relay
- DTC P1128: Throttle Control Motor
- DTC P1229: Sensor Power Supply
- DTC P1805: Brake Switch
- DTC P2122, P2123, P2127, P2128 & P2138: Accelerator Pedal Position Sensor
- DTC P0011 & DTC P0021: INTAKE VALVE TIMING CONTROL SOLENOID VALVE
- DTC P0031, DTC P0032, DTC P0051 & DTC P0052: HEATED OXYGEN SENSOR 1 HEATER (CIRCUIT)
- DTC P0037, DTC P0038, DTC P0057 & DTC P0058: HEATED OXYGEN SENSOR 2 HEATER
- DTC P0101: MASS AIRFLOW SENSOR
- DTC P0102 & DTC P0103: MASS AIRFLOW SENSOR
- DTC P0112 & DTC P0113: INTAKE AIR TEMPERATURE SENSOR
- DTC P0117 & DTC P0118: ENGINE COOLANT TEMPERATURE SENSOR
- DTC P0122 & DTC P0123: THROTTLE POSITION SENSOR
- DTC P0125: ENGINE COOLANT TEMPERATURE SENSOR
- DTC P0127: INTAKE AIR TEMPERATURE SENSOR
- DTC P0128: THERMOSTAT FUNCTION
- DTC P0134 & DTC P0154: HEATED OXYGEN SENSOR 1
- DTC P0138 & DTC P0158: HEATED OXYGEN SENSOR 2
- DTC P0139 & DTC P0159: HEATED OXYGEN SENSOR 2
- DTC P0171 OR DTC P0174: BANK 1 OR BANK 2 FUEL INJECTION SYSTEM FUNCTION (LEAN)
- DTC P0172 OR DTC P0175: BANK 1 OR BANK 2 FUEL INJECTION SYSTEM FUNCTION (RICH)
- DTC P0181: FUEL TANK TEMPERATURE SENSOR
- DTC P0182: FUEL TANK TEMPERATURE SENSOR (LOW INPUT) OR DTC P0183: FUEL TANK TEMPERATURE SENSOR (HIGH INPUT)
- DTC P0222 & DTC P0223: THROTTLE POSITION SENSOR
- DTC P0300-P0308: CYLINDER OR MULTIPLE CYLINDER MISFIRE
- DTC P0327, DTC P0328, DTC P0332 & DTC P0333: KNOCK SENSOR
- DTC P0335: CRANKSHAFT POSITION SENSOR (POS)
- DTC P0340: CAMSHAFT POSITION SENSOR (PHASE)
- DTC P0420 & DTC P0430: THREE WAY CATALYST FUNCTION
- DTC P0441: EVAP CONTROL SYSTEM
- DTC P0442: EVAP CONTROL SYSTEM
- DTC P0444 & DTC P0445: EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
- DTC P0447: EVAP CANISTER VENT CONTROL VALVE
- DTC P0452: EVAP CONTROL SYSTEM PRESSURE SENSOR (LOW)
- DTC P0453: EVAP CONTROL SYSTEM PRESSURE SENSOR (HIGH)
- DTC P0455: EVAP CONTROL SYSTEM
- DTC P0456: EVAP CONTROL SYSTEM
- DTC P0460: FUEL LEVEL SENSOR FUNCTION (SLOSH)
- DTC P0461: FUEL LEVEL SENSOR FUNCTION
- DTC P0462: FUEL LEVEL SENSOR CIRCUIT (LOW) OR DTC P0463: FUEL LEVEL SENSOR CIRCUIT (HIGH)
- DTC P0500: VEHICLE SPEED SENSOR
- DTC P0506: IDLE SPEED CONTROL SYSTEM
- DTC P0507: IDLE SPEED CONTROL SYSTEM
- DTC P0550: POWER STEERING PRESSURE SENSOR
- DTC P0605: ECM
- DTC P0650: MIL (CIRCUIT)
- DTC P1065: ECM POWER SUPPLY (BACK-UP)
- DTC P1102: MASS AIRFLOW SENSOR
- DTC P1111 & DTC P1136: INTAKE VALVE TIMING CONTROL SOLENOID VALVE
- DTC P1119: RADIATOR COOLANT TEMPERATURE SENSOR (CIRCUIT)
- DTC P1121: ELECTRIC THROTTLE CONTROL ACTUATOR
- DTC P1122: ELECTRIC THROTTLE CONTROL FUNCTION (CIRCUIT)
- DTC P1124: THROTTLE CONTROL MOTOR RELAY (SHORT) OR P1126: THROTTLE CONTROL MOTOR RELAY (OPEN)
- DTC P1128: THROTTLE CONTROL MOTOR
- DTC P1140 OR DTC P1145: BANK 1 OR BANK 2 INTAKE VALVE TIMING CONTROL (IVTC) POSITION SENSOR (CIRCUIT)
- DTC P1143 & DTC P1163: HEATED OXYGEN SENSOR 1
- DTC P1144 & DTC P1164: HEATED OXYGEN SENSOR 1
- DTC P1146 & DTC P1166: HEATED OXYGEN SENSOR 2
- DTC P1147 & DTC P1167: HEATED OXYGEN SENSOR 2
- DTC P1148 & DTC P1168: CLOSED LOOP CONTROL
- DTC P1211: TCS CONTROL UNIT
- DTC P1212: TCS COMMUNICATION LINE
- DTC P1217: ENGINE OVER TEMPERATURE
- DTC P1220: FUEL PUMP CONTROL MODULE
- DTC P1225: THROTTLE POSITION SENSOR
- DTC P1226: THROTTLE POSITION SENSOR
- DTC P1229: SENSOR POWER SUPPLY
- DTC P1442: EVAP CONTROL SYSTEM
- DTC P1444: EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
- DTC P1446: EVAP CANISTER VENT CONTROL VALVE (CLOSED)
- DTC P1448: EVAP CANISTER VENT CONTROL VALVE (OPEN)
- DTC P1456: EVAP CONTROL SYSTEM
- DTC P1464: FUEL LEVEL SENSOR CIRCUIT (GROUND SIGNAL)
- DTC P1480: COOLING FAN SPEED CONTROL SOLENOID VALVE (CIRCUIT)
- DTC P1490: VACUUM CUT VALVE BY-PASS VALVE
- DTC P1491: VACUUM CUT VALVE BY-PASS VALVE
- DTC P1706: PARK/NEUTRAL POSITION SWITCH
- DTC P1720: VEHICLE SPEED SENSOR (A/T OUTPUT)
- DTC P1805: BRAKE SWITCH
- DTC P2122 & P2123: ACCELERATOR PEDAL POSITION SENSOR
- DTC P2127 & P2128: ACCELERATOR PEDAL POSITION SENSOR
- DTC P2135: THROTTLE POSITION SENSOR
- DTC P2138: ACCELERATOR PEDAL POSITION SENSOR
- DTC U1000 & U1001: CAN COMMUNICATION LINE
- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Application
- Automatic Air Conditioner
- Automatic Air Conditioner: Diagnosis
- Automatic Drive Positioner
- Automatic HVAC System
- Automatic Trans
- Automatic Transaxle
- Automatic Transaxle: Diagnosis
- Axle Shafts
- Basic Trouble Shooting
- Brake Control System: Diagnosis
- Brakes
- Brakes Control Systems
- Cabin Air Filter
- CAN
- Charging System
- Check Lists
- Communication Devices
- Computer Relearn
- Cooling Fan
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- Driveshaft & Universal Joints
- DTC Index
- Electrical Component Locations
- Electronic Steering
- Emission Applications
- Engine
- Engine Controls - Removal & Installation - Except I35 & QX4: Removal & Installation
- Engine Controls - Self-Diagnostics - M45
- Engine Controls - Self-Diagnostics - M45: Diagnosis
- Engine Controls - Self-Diagnostics - M45: Overview
- Engine Controls - Self-Diagnostics - M45: Specifications
- Engine Mechanical
- Engine Mechanical: Removal & Installation
- Engine Performance
- Entertainment Systems
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Information
- Headlamp (For Usa)
- Headlights
- Hoist/jack
- Identification
- Intelligent Cruise Control System
- Interior/illumination Lights
- Manual & Power Steering
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mode 6
- Navigation System
- Navigation System
- Oem General Information
- Parking Brake System
- Passive Restraints
- Pin Voltage Charts
- Rear Final Drive
- Remote Keyless Entry System
- Removal & Installation
- Reset Procedures
- Restraints
- Seats
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transmission
- Warning System
- Wheel Alignment
- Wheel Hubs
- Windows
- Wiper/washer Systems