Home/Subaru/Impreza WRX/Subaru Impreza WRX GD/GG рестайлинг (2002-2005)/Repair manual/Self-Diagnostics - 2.0l/DTC P0117: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT,…

Contents

Section: Self-Diagnostics - 2.0l

INTRODUCTION

ON-BOARD DIAGNOSTICS

Hard Failures

Intermittent Failures

BASIC DIAGNOSTIC PROCEDURE

DIAGNOSTIC PROCEDURE

Subaru Select Monitor

OBD-II General Scan Tool

FREEZE-FRAME DATA

Subaru Select Monitor (Normal Mode)

Subaru Select Monitor (OBD Mode)

ECM LOCATION

ISC INITIALIZATION

INSPECTION MODE

Preparation For Inspection Mode

Subaru Select Monitor (SSM) Procedure

OBD-II Generic Scan Tool Procedure

DRIVE CYCLE PROCEDURE

SUMMARY

DIAGNOSTIC TROUBLE CODE DEFINITIONS

MALFUNCTION INDICATOR LIGHT (MIL) ACTIVATION

Operation

MALFUNCTION INDICATOR LIGHT (MIL) DOES NOT COME ON

Diagnosis

Trouble Symptom

MALFUNCTION INDICATOR LIGHT (MIL) DOES NOT GO OFF

MALFUNCTION INDICATOR LIGHT (MIL) DOES NOT BLINK AT A CYCLE OF 3HZ

MALFUNCTION INDICATOR LIGHT (MIL) REMAINS BLINKING AT A CYCLE OF 3HZ

DIAGNOSTIC TESTS

DTC P0030: FRONT HEATED OXYGEN SENSOR (HO2S) CONTROL CIRCUIT, MALFUNCTION

DTC P0031: FRONT HEATED OXYGEN SENSOR (HO2S) HEATER CIRCUIT, LOW INPUT

DTC P0032: FRONT HO2S HEATER CIRCUIT, HIGH INPUT

DTC P0037: REAR HO2S HEATER CIRCUIT, MALFUNCTION

DTC P0038: REAR HO2S HEATER CIRCUIT, HIGH OUTPUT

DTC P0068: INTAKE MANIFOLD/BAROMETRIC PRESSURE SENSOR CIRCUIT, RANGE PERFORMANCE PROBLEM

DTC P0101: MASS AIR FLOW CIRCUIT, RANGE/PERFORMANCE

DTC P0102: MASS AIR FLOW CIRCUIT, LOW INPUT

DTC P0103: MASS AIR FLOW CIRCUIT, HIGH INPUT

DTC P0107: INTAKE MANIFOLD/BAROMETRIC PRESSURE SENSOR CIRCUIT, LOW INPUT

DTC P0108: INTAKE AIR TEMPERATURE & PRESSURE SENSOR CIRCUIT, HIGH INPUT

DTC P0111: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0112: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT, LOW INPUT

DTC P0113: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT, HIGH INPUT

DTC P0117: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT, LOW INPUT

DTC P0118: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT, HIGH INPUT

DTC P0121: THROTTLE POSITION (TP) SENSOR CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0122: THROTTLE POSITION (TP) SENSOR CIRCUIT, LOW INPUT

DTC P0123: THROTTLE POSITION (TP) SENSOR CIRCUIT, HIGH INPUT

DTC P0125: ENGINE COOLANT TEMPERATURE TOO LOW FOR CLOSED LOOP FUEL CONTROL

DTC P0128: THERMOSTAT MALFUNCTION

DTC P0129: BAROMETRIC PRESSURE TOO LOW

DTC P0130: FRONT HO2S CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0133: FRONT HO2S CIRCUIT, SLOW RESPONSE

DTC P0137: REAR HO2S CIRCUIT, LOW INPUT

DTC P0138 REAR HO2S CIRCUIT, HIGH INPUT

DTC P0139: REAR HO2S CIRCUIT, SLOW RESPONSE

DTC P0172: FUEL TRIM MALFUNCTION (TOO RICH)

DTC P0181: FUEL TEMPERATURE SENSOR "A" CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0182: FUEL TEMPERATURE SENSOR "A" CIRCUIT, LOW INPUT

DTC P0183: FUEL TEMPERATURE SENSOR "A" CIRCUIT, HIGH INPUT

DTC P0230: FUEL PUMP PRIMARY CIRCUIT

DTC P0244: TURBOCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE

DTC P0245: TURBOCHARGER WASTEGATE SOLENOID "A" LOW

DTC P0246: TURBOCHARGER WASTEGATE SOLENOID "A" HIGH

DTC P0301, P0302, P0303 & P0304: CYLINDERS NO. 1-4 MISFIRE DETECTED

DTC P0327: KNOCK SENSOR (KS) CIRCUIT, LOW INPUT

DTC P0328: KNOCK SENSOR (KS) CIRCUIT, HIGH INPUT

DTC P0335: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT, MALFUNCTION

DTC P0336: CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT, MALFUNCTION

DTC P0341: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD

DTC P0442: EVAP SYSTEM PURGE CONTROL VALVE CIRCUIT, MALFUNCTION

DTC P0447: EVAP SYSTEM VENT CONTROL CIRCUIT, LOW INPUT

DTC P0448: EVAP SYSTEM VENT CONTROL CIRCUIT, HIGH INPUT

DTC P0451: EVAP SYSTEM PRESSURE SENSOR RANGE/PERFORMANCE PROBLEM

DTC P0452: EVAP SYSTEM PRESSURE SENSOR LOW INPUT

DTC P0453: EVAP SYSTEM PRESSURE SENSOR HIGH INPUT

DTC P0456: EVAP SYSTEM MALFUNCTION

DTC P0457: EVAP SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF)

DTC P0458: EVAP SYSTEM PURGE CONTROL VALVE CIRCUIT, LOW INPUT

DTC P0459: EVAP SYSTEM PURGE CONTROL VALVE CIRCUIT, HIGH INPUT

DTC P0461: FUEL LEVEL SENSOR CIRCUIT, RANGE/PERFORMANCE PROBLEM

DTC P0462: FUEL LEVEL SENSOR CIRCUIT, LOW INPUT

DTC P0463: FUEL LEVEL SENSOR CIRCUIT, HIGH INPUT

DTC P0464: FUEL LEVEL SENSOR INTERMITTENT INPUT

DTC P0483: COOLING FAN FUNCTION PROBLEM

DTC P0502: VEHICLE SPEED SENSOR CIRCUIT, LOW INPUT

DTC P0503: VEHICLE SPEED SENSOR INTERMITTENT/ERRATIC/HIGH

DTC P0506: IDLE CONTROL SYSTEM RPM LOWER THAN EXPECTED

DTC P0507: IDLE CONTROL SYSTEM RPM HIGHER THAN EXPECTED

DTC P0508: IDLE CONTROL SYSTEM CIRCUIT, LOW

DTC P0509: IDLE CONTROL SYSTEM CIRCUIT, HIGH

DTC P0512: STARTER REQUEST CIRCUIT

DTC P0519: IDLE AIR CONTROL CIRCUIT, SYSTEM PERFORMANCE

DTC P0545: EXHAUST GAS TEMPERATURE SENSOR CIRCUIT, LOW (BANK 1)

DTC P0546: EXHAUST GAS TEMPERATURE SENSOR HIGH (BANK 1)

DTC P0565: CRUISE CONTROL ON SIGNAL

DTC P0604: INTERNAL CONTROL MODULE MEMORY CHECK SUM ERROR

DTC P0691: COOLING FAN 1 CONTROL CIRCUIT, LOW INPUT

DTC P0692: COOLING FAN 1 CONTROL CIRCUIT, HIGH INPUT

DTC P0703: BRAKE SWITCH INPUT MALFUNCTION

DTC P0734: GEAR 4 INCORRECT RATIO (A/T)

DTC P0741: TORQUE CONVERTER CLUTCH CIRCUIT, PERFORMANCE OR STUCK OFF (A/T)

DTC P0851: NEUTRAL SWITCH INPUT CIRCUIT, LOW (A/T)

DTC P0851: NEUTRAL SWITCH INPUT CIRCUIT, LOW (M/T)

DTC P0852: NEUTRAL SWITCH INPUT CIRCUIT, HIGH (A/T)

DTC P0852: NEUTRAL SWITCH INPUT CIRCUIT, HIGH (M/T)

DTC P0864: TCM COMMUNICATION CIRCUIT, RANGE/PERFORMANCE

DTC P0865: TCM COMMUNICATION CIRCUIT, LOW INPUT

DTC P0866: TCM COMMUNICATION CIRCUIT, HIGH INPUT

DTC P1086: TUMBLE GENERATED VALVE POSITION SENSOR 2 CIRCUIT, LOW

DTC P1087: TUMBLE GENERATED VALVE POSITION SENSOR 2 CIRCUIT, HIGH

DTC P1088: TUMBLE GENERATED VALVE POSITION SENSOR 1 CIRCUIT, LOW

DTC P1089: TUMBLE GENERATED VALVE POSITION SENSOR 1 HIGH

DTC P1090: TUMBLE GENERATED VALVE SYSTEM 1 (VALVE OPEN)

DTC P1091: TUMBLE GENERATED VALVE SYSTEM 1 (VALVE CLOSE)

DTC P1092: TUMBLE GENERATED VALVE SYSTEM 2 (VALVE OPEN)

DTC P1093: TUMBLE GENERATED VALVE SYSTEM 2 (VALVE CLOSE)

DTC P1094: TUMBLE GENERATED VALVE SIGNAL 1 CIRCUIT, MALFUNCTION (OPEN)

DTC P1095: TUMBLE GENERATED VALVE SIGNAL 1 CIRCUIT, MALFUNCTION (SHORT)

DTC P1096: TUMBLE GENERATED VALVE SIGNAL 2 CIRCUIT, MALFUNCTION (OPEN)

DTC P1097: TUMBLE GENERATED VALVE SIGNAL 2 CIRCUIT, MALFUNCTION (SHORT)

DTC P1110: ATMOSPHERIC PRESSURE SENSOR CIRCUIT, LOW INPUT

DTC P1111: ATMOSPHERIC PRESSURE SENSOR CIRCUIT, HIGH INPUT

DTC P1134: FRONT HO2S MICRO-COMPUTER PROBLEM

DTC P1152: OXYGEN SENSOR CIRCUIT, RANGE/PERFORMANCE LOW (FRONT SENSOR, BANK 1)

DTC P1153: OXYGEN SENSOR CIRCUIT, RANGE/PERFORMANCE HIGH (FRONT SENSOR, BANK 1)

DTC 1301: MISFIRE DETECTED (HIGH TEMPERATURE EXHAUST GAS)

DTC 1312: EXHAUST GAS TEMPERATURE SENSOR MALFUNCTION

DTC P1400: FUEL TANK PRESSURE CONTROL SOLENOID VALVE CIRCUIT, LOW INPUT

DTC P1420: FUEL TANK PRESSURE CONTROL SOLENOID VALVE CIRCUIT, HIGH INPUT

DTC P1443: EVAP SYSTEM VENT CONTROL FUNCTION PROBLEM

DTC P1446: FUEL TANK SENSOR CONTROL VALVE CIRCUIT, LOW INPUT

DTC P1447: FUEL TANK SENSOR CONTROL VALVE CIRCUIT, HIGH INPUT

DTC P1448: FUEL TANK SENSOR CONTROL VALVE RANGE/PERFORMANCE PROBLEM

DTC P1544: EXHAUST TEMPERATURE TOO HIGH

DTC P1560: BACK-UP VOLTAGE CIRCUIT, MALFUNCTION

DTC P1698: ENGINE TORQUE CONTROL CUT SIGNAL CIRCUIT, LOW INPUT

DTC P1699: ENGINE TORQUE CONTROL CUT SIGNAL CIRCUIT, HIGH INPUT

DTC P1711: ENGINE TORQUE CONTROL SIGNAL NO. 1 CIRCUIT, MALFUNCTION (A/T)

DTC P1712: ENGINE TORQUE CONTROL SIGNAL NO. 2 CIRCUIT, MALFUNCTION (A/T)

All sections

DTC P0117: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT, LOW INPUT Subaru Impreza WRX GD/GG рестайлинг

Self-Diagnostics - 2.0l 2 illustrations

DTC P0117: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT, LOW INPUT

For diagnosis (Scheme 104)and (Scheme 105).

Scheme 104

Scheme 104: DESCRIPTION

Scheme 104: DESCRIPTION

Scheme 105

Scheme 105: DIAGNOSTIC PROCEDURE

Scheme 105: DIAGNOSTIC PROCEDURE