Note. Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM.
Home/Infiniti/Q45/Infiniti Q45 III (2001-2006)/Repair manual/Testing & Diagnostics/DTC P0101: MASS AIRFLOW SENSOR
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Self-Diagnostics - Q45: Overview
- Engine Controls - Self-Diagnostics - Q45: Adjustments
- Engine Controls - Self-Diagnostics - Q45: Component Locations
- Engine Controls - Self-Diagnostics - Q45: Other
- DTC P0102, P0103 Or P1102: MAF Sensor
- DTC P0117 Or P0118: ECT Sensor
- DTC P0122, P0123, P0222, P0223 Or P2135: TP Sensor
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function
- DTC P1124 Or P1126: Throttle Control Motor Relay
- DTC P2122, P2123, P2127, P2128 Or P2138: Accelerator Pedal Position Sensor
- DTC P0011: INTAKE/VALVE TIMING CONT - B1 OR P0021: INTAKE/VALVE TIMING CONT - B2
- DTC P0031, DTC P0032, DTC P0051 OR DTC P0052
- DTC P0037, DTC P0038, DTC P0057 OR DTC P0058
- DTC P0101: MASS AIRFLOW SENSOR
- DTC P0102, DTC P0103 OR DTC P1102
- DTC P0112 OR DTC P0113: INTAKE AIR TEMPERATURE SENSOR
- DTC P0117, DTC P0118 OR DTC P0125: ENGINE COOLANT TEMPERATURE SENSOR
- DTC P0117 Or P0118 Confirmation Test
- DTC P0125 Confirmation Test
- DTC P0122, DTC P0123, DTC P0222, DTC P0223 OR DTC P2135: THROTTLE POSITION SENSOR
- DTC P0127: INTAKE AIR TEMPERATURE SENSOR (INCORRECT VOLTAGE)
- DTC P0128: THERMOSTAT FUNCTION
- DTC P0132 OR DTC P0152: BANK 1 OR BANK 2 HO2S1 (HIGH VOLTAGE)
- DTC P0133 OR DTC P0153: BANK 1 OR BANK 2 HO2S1 (RESPONSE MONITORING)
- DTC P0134 OR DTC P0154: BANK 1 OR BANK 2 HO2S1 (CIRCUIT)
- DTC P0138 OR DTC P0158: BANK 1 OR BANK 2 HO2S2 (MAX VOLTAGE MONITORING)
- DTC P0139 OR DTC P0159: BANK 1 OR BANK 2 HO2S2 (RESPONSE MONITORING)
- 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, DTC P0182 OR DTC P0183: FUEL TANK TEMPERATURE SENSOR
- DTC P0300-P0308: CYLINDER OR MULTIPLE CYLINDER MISFIRE
- DTC P0327, DTC P0328, DTC P0332 OR DTC P0333: BANK 1 OR BANK 2 KNOCK SENSOR
- DTC P0335: CRANKSHAFT POSITION SENSOR (POS)
- DTC P0340: CAMSHAFT POSITION SENSOR (PHASE)
- DTC P0420 OR DTC P0430: BANK 1 OR BANK 2 (3-WAY CATALYST FUNCTION)
- DTC P0441: EVAP CONTROL SYSTEM PURGE FLOW MONITORING
- DTC P0442, DTC P0455 OR DTC P1442: EVAP CONTROL SYSTEM
- DTC P0444 OR DTC P0445: EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE (EXCESSIVELY LOW OR HIGH VOLTAGE)
- DTC P0447: EVAP CANISTER VENT CONTROL VALVE (CIRCUIT)
- DTC P0452: EVAP CONTROL SYSTEM PRESSURE SENSOR (LOW VOLTAGE)
- DTC P0453: EVAP CONTROL SYSTEM PRESSURE SENSOR (HIGH VOLTAGE)
- DTC P0456 OR DTC P1456: EVAP CONTROL SYSTEM (VERY SMALL LEAK)
- DTC P0460: FUEL LEVEL SENSOR FUNCTION (SLOSH)
- DTC P0461: FUEL LEVEL SENSOR FUNCTION
- DTC P0462 OR DTC P0463: FUEL LEVEL SENSOR CIRCUIT
- DTC P0500: VEHICLE SPEED SENSOR
- DTC P0506: IDLE SPEED CONTROL SYSTEM
- DTC P0507: IDLE SPEED CONTROL SYSTEM
- DTC P0605: ECM
- DTC P1065: ECM POWER SUPPLY (BACK-UP)
- DTC P1111 OR DTC P1136: BANK 1 OR BANK 2 INTAKE VALVE TIMING (IVT) CONTROL SOLENOID VALVE (CIRCUIT)
- DTC P1119: RADIATOR COOLANT TEMPERATURE SENSOR (CIRCUIT)
- DTC P1121: ELECTRIC THROTTLE CONTROL ACTUATOR
- DTC P1122: ELECTRIC THROTTLE CONTROL FUNCTION (CIRCUIT)
- DTC P1124 OR DTC P1126: THROTTLE CONTROL MOTOR RELAY (CIRCUIT)
- DTC P1128: THROTTLE CONTROL MOTOR (CIRCUIT)
- DTC P1140 OR DTC P1145: BANK 1 OR BANK 2 INTAKE VALVE TIMING (IVT) CONTROL POSITION SENSOR (CIRCUIT)
- DTC P1143 OR DTC P1163: BANK 1 OR BANK 2 HO2S1 (LEAN SHIFT MONITORING)
- DTC P1144 OR DTC P1164: BANK 1 OR BANK 2 HO2S1 (RICH SHIFT MONITORING)
- DTC P1146 OR DTC P1166: HO2S2 (MINIMUM VOLTAGE)
- DTC P1147 OR DTC P1167: HO2S2 (MAXIMUM VOLTAGE)
- DTC P1148 OR DTC P1168: BANK 1 OR BANK 2 CLOSED LOOP CONTROL
- DTC P1211: TCS CONTROL UNIT
- DTC P1212: TCS COMMUNICATION LINE
- DTC P1217: ENGINE OVER TEMPERATURE (OVERHEAT)
- DTC P1220: FUEL PUMP CONTROL MODULE
- DTC P1225: TP SENSOR
- DTC P1226: TP SENSOR
- DTC P1229: SENSOR POWER SUPPLY
- DTC P1444: EVAP CANISTER PURGE VOLUME CONTROL VALVE
- DTC P1446: EVAP CANISTER VENT CONTROL VALVE (CLOSE)
- DTC P1448: EVAP CANISTER VENT CONTROL VALVE (OPEN)
- DTC P1464: FUEL LEVEL SENSOR CIRCUIT (GROUND SIGNAL)
- 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 P1780: SHIFT CHANGE SIGNAL
- DTC P1805: BRAKE SWITCH
- DTC P2122, DTC P2123, DTC P2127, DTC P2128 OR DTC P2138: ACCELERATOR PEDAL POSITION SENSOR
- DTC U1000 OR DTC U1001: CAN COMMUNICATION LINE
- 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
- 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
- Automatic Transaxle: Overhaul
- Axle Shafts
- Basic Trouble Shooting
- Brake Control System: Diagnosis
- Brakes
- Brakes Control Systems
- Cabin Air Filter
- CAN
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- Check Lists
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- Cooling System (Mechanical)
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- 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 - Q45: Diagnosis
- Engine Mechanical
- Engine Performance
- Entertainment Systems
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Information
- Headlights
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- Mechanical - Hydraulic
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- Mode 6
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- Rear Final Drive
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- Removal & Installation
- Reset Procedures
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- Specifications
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- Suspension Control Systems
- Suspension Front
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- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
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- Vehicle Information and Integrated Switch System
- Vehicle Security (Theft Warning) System
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- Wheel Alignment
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