If DTC P0120 is also displayed, perform DTC P0120 testing. If DTC P0120 is not displayed, replace TP sensor.
Home/Subaru/Legacy/Subaru Legacy BD/BG/BK (1993-1999)/Repair manual/Testing & Diagnostics/DTC P0121 (TH_R) - THROTTLE POSITION (TP) SENSOR CIRCUIT RA…
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Tests W/codes: Overview
- Engine Controls - Tests W/codes: Diagnosis
- Engine Controls - Tests W/codes: Component Locations
- Engine Controls - Tests W/codes: Other
- DTC P0100 (QA) - MASS AIR FLOW (MAF) SENSOR CIRCUIT MALFUNCTION
- DTC P0101 (QA_R) - MASS AIR FLOW (MAF) SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0105 (P_S) - PRESSURE SENSOR CIRCUIT MALFUNCTION
- DTC P0106 (P_R) - PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0115 (TW) - ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT MALFUNCTION
- DTC P0120 (THV) - THROTTLE POSITION (TP) SENSOR CIRCUIT MALFUNCTION
- DTC P0121 (TH_R) - THROTTLE POSITION (TP) SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0125 (TW_CL) - INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130 (FO2_V) - FRONT OXYGEN SENSOR (O2S) CIRCUIT MALFUNCTION
- DTC P0133 (FO2_R) - FRONT OXYGEN SENSOR (O2S) CIRCUIT SLOW RESPONSE
- DTC P0135 (FO2H) - FRONT OXYGEN SENSOR (O2S) HEATER CIRCUIT MALFUNCTION
- DTC P0136 (RO2_V) - REAR OXYGEN SENSOR (O2S) CIRCUIT MALFUNCTION
- DTC P0139 (RO2_R) - REAR OXYGEN SENSOR (O2S) CIRCUIT SLOW RESPONSE
- DTC P0141 (RO2_H) - REAR OXYGEN SENSOR (O2S) HEATER CIRCUIT MALFUNCTION
- DTC P0170 (FUEL) - FUEL TRIM MALFUNCTION
- DTC P0201 (INJ1), DTC P0202 (INJ2), DTC P0203 (INJ3), DTC P0204 (INJ4) - FUEL INJECTION CIRCUIT MALFUNCTION
- DTC P0301 (MIS_1), P0302 (MIS_2),P0303 (MIS_3), P0304 (MIS_4) - CYLINDER (1, 2, 3 OR 4) MISFIRE DETECTED
- DTC P0325 (KNOCK) - KNOCK SENSOR CIRCUIT MALFUNCTION
- DTC P0335 (CRANK) - CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT MALFUNCTION
- DTC P0340 (CAM) - CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION
- DTC P0400 (EGR) - EXHAUST GAS RECIRCULATION (EGR) FLOW MALFUNCTION
- DTC P0403 (ERGSOL) - EXHAUST GAS RECIRCULATION (EGR) CIRCUIT MALFUNCTION
- DTC P0420 (CAT) - CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0441 (CPC_F) - EVAPORATIVE EMISSION CONTROL SYSTEM INCORRECT PURGE FLOW
- DTC P0443 (CPC) - EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CONTROL VALVE CIRCUIT MALFUNCTION
- DTC P0500 (VSP) - VEHICLE SPEED SENSOR MALFUNCTION
- DTC P0505 (ISC) - IDLE CONTROL SYSTEM MALFUNCTION
- DTC P0506 (ISC_L) - IDLE CONTROL SYSTEM RPM LOWER THAN EXPECTED
- DTC P0600 - SERIAL COMMUNICATION LINK MALFUNCTION
- DTC P0601 (RAM) - INTERNAL CONTROL MODULE MEMORY CHECK SUM ERROR
- Abbreviations
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic Trans
- Axle Shafts
- Basic Trouble Shooting
- Brakes
- Charging System
- Check Lists
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- Computer Relearn
- Cooling Fan
- Cooling System (Mechanical)
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- Diagnostic Connector Locations
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- Driveline/axles
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Fuses & Circuit Breakers
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- General Servicing - All Makes
- Heated Glass/defoggers
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- Identification
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- Manual HVAC System
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- Mechanical
- Mechanical - Hydraulic
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- Procedures
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- Specifications
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- Testing & Diagnostics
- Theory & Operation
- Timing Belt
- Traction Control Disable
- Transmission
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance