Engine (Diagnostics) (H4DOTC)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Components Location
- Engine Control Module (ECM) I/O Signal
- Engine Condition Data
- Data Link Connector
- OBD-II General Scan Tool
- Subaru Select Monitor
- Read Diagnostic Trouble Code (DTC)
- Inspection Mode
- Drive Cycle
- Clear Memory Mode
- Compulsory Valve Operation Check Mode
- Malfunction Indicator Light
- Diagnostics for Engine Starting Failure
- List of Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- Notes
- DTC P0011: "A" Camshaft Position-Timing Over-Advanced Or System Performance (Bank 1)
- DTC P0021: "A" Camshaft Position-Timing Over-Advanced Or System Performance (Bank 2)
- DTC P0030: Ho2S Heater Control Circuit (Bank 1 Sensor 1)
- DTC P0031: Ho2S Heater Control Circuit Low (Bank 1 Sensor 1)
- DTC P0032: Ho2S Heater Control Circuit High (Bank 1 Sensor 1)
- DTC P0037: Ho2S Heater Control Circuit Low (Bank 1 Sensor 2)
- DTC P0038: Ho2S Heater Control Circuit High (Bank 1 Sensor 2)
- DTC P0068: Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
- DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance
- DTC P0102: Mass Or Volume Air Flow Circuit Low Input
- DTC P0103: Mass Or Volume Air Flow Circuit High Input
- DTC P0107: Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
- DTC P0108: Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- DTC P0111: Intake Air Temperature Circuit Range/Performance
- DTC P0112: Intake Air Temperature Circuit Low Input
- DTC P0113: Intake Air Temperature Circuit High Input
- DTC P0117: Engine Coolant Temperature Circuit Low Input
- DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0122: Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input
- DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0129: Atmospheric Pressure Sensor Circuit Range/Performance
- DTC P0131: O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
- DTC P0132: O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
- DTC P0133: O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
- DTC P0134: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
- DTC P0137: O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
- DTC P0138: O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
- DTC P0139: O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
- DTC P0171: System Too Lean (Bank 1)
- DTC P0172: System Too Rich (Bank 1)
- DTC P0181: Fuel Temperature Sensor "A" Circuit Range/Performance
- DTC P0182: Fuel Temperature Sensor "A" Circuit Low Input
- DTC P0183: Fuel Temperature Sensor "A" Circuit High Input
- DTC P0222: Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input
- DTC P0223: Throttle/Pedal Position Sensor/Switch "B" Circuit High Input
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0244: Turbo/Super Charger WASTEGATE Solenoid "A" Range/Performance
- DTC P0245: Turbo/Super Charger WASTEGATE Solenoid "A" Low
- DTC P0246: Turbo/Super Charger WASTEGATE Solenoid "A" High
- DTC P0301: Cylinder 1 Misfire Detected
- DTC P0302: Cylinder 2 Misfire Detected
- DTC P0303: Cylinder 3 Misfire Detected
- DTC P0304: Cylinder 4 Misfire Detected
- DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 Or Single Sensor)
- DTC P0328: Knock Sensor 1 Circuit High Input (Bank 1 Or Single Sensor)
- DTC P0335: Crankshaft Position Sensor "A" Circuit
- DTC P0336: Crankshaft Position Sensor "A" Circuit Range/Performance
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor)
- DTC P0345: Camshaft Position Sensor "A" Circuit (Bank 2)
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0442: Evaporative Emission Control System Leak Detected (Small Leak)
- DTC P0447: Evaporative Emission Control System Vent Control Circuit Open
- DTC P0448: Evaporative Emission Control System Vent Control Circuit Shorted
- DTC P0451: Evaporative Emission Control System Pressure Sensor Range/Performance
- DTC P0452: Evaporative Emission Control System Pressure Sensor Low Input
- DTC P0453: Evaporative Emission Control System Pressure Sensor High Input
- DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0457: Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off)
- DTC P0458: Evaporative Emission Control System Purge Control Valve Circuit Low
- DTC P0459: Evaporative Emission Control System Purge Control Valve Circuit High
- DTC P0461: Fuel Level Sensor Circuit Range/Performance
- DTC P0462: Fuel Level Sensor Circuit Low Input
- DTC P0463: Fuel Level Sensor Circuit High Input
- DTC P0464: Fuel Level Sensor Circuit Intermittent
- DTC P0483: Cooling Fan Rationality Check
- 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 P0512: Starter Request Circuit
- DTC P0519: Idle Control System Malfunction (Fail-Safe)
- DTC P0545: Exhaust Gas Temperature Sensor Circuit Low-Bank 1
- DTC P0546: Exhaust Gas Temperature Sensor Circuit High-Bank 1
- DTC P0600: Improper Can Communication
- DTC P0604: Internal Control Module Random Access Memory (Ram) Error
- DTC P0605: Internal Control Module Read Only Memory (ROM) Error
- DTC P0607: Control Module Performance
- DTC P0638: Throttle Actuator Control Range/Performance (Bank 1)
- DTC P0691: Cooling Fan 1 Control Circuit Low
- DTC P0692: Cooling Fan 1 Control Circuit High
- DTC P0700: Request At Mil On
- DTC P0851: Neutral Switch Input Circuit Low
- DTC P0852: Neutral Switch Input Circuit High
- 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 Circuit 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 Malfunction (Low Input)
- DTC P1111: Atmospheric Pressure Sensor Circuit Malfunction (High Input)
- DTC P1152: O2 Sensor Circuit Range/Performance (Low) (Bank 1 Sensor 1)
- DTC P1153: O2 Sensor Circuit Range/Performance (High) (Bank1 Sensor1)
- DTC P1160: Return Spring Failure
- DTC P1301: Misfire Detected (High Temperature Exhaust Gas)
- DTC P1312: Exhaust Gas Temperature Sensor Malfunction
- DTC P1400: Fuel Tank Pressure Control Solenoid Valve Circuit Low
- DTC P1420: Fuel Tank Pressure Control Sol. Valve Circuit High
- DTC P1443: Vent Control Solenoid Valve Function Problem
- DTC P1446: Fuel Tank Sensor Control Valve Circuit Low
- DTC P1447: Fuel Tank Sensor Control Valve Circuit High
- DTC P1448: Fuel Tank Sensor Control Valve Range/Performance
- DTC P1491: Positive Crankcase Ventilation (Blow-By) Function Problem
- DTC P1518: Starter Switch Circuit Low Input
- DTC P1544: Exhaust Gas Temperature Too High
- DTC P1560: Back-Up Voltage Circuit Malfunction
- DTC P2088: OCV Solenoid Valve Signal A Circuit Open (Bank 1)
- DTC P2089: OCV Solenoid Valve Signal A Circuit Short (Bank 1)
- DTC P2092: OCV Solenoid Valve Signal A Circuit Open (Bank 2)
- DTC P2093: OCV Solenoid Valve Signal A Circuit Short (Bank 2)
- DTC P2096: Post Catalyst Fuel Trim System Too Lean Bank 1
- DTC P2097: Post Catalyst Fuel Trim System Too Rich Bank 1
- DTC P2101: Throttle Actuator Control Motor Circuit Range/Performance
- DTC P2102: Throttle Actuator Control Motor Circuit Low
- DTC P2103: Throttle Actuator Control Motor Circuit High
- DTC P2109: Throttle/Pedal Position Sensor A Minimum Stop Performance
- DTC P2122: Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input
- DTC P2123: Throttle/Pedal Position Sensor/Switch "D" Circuit High Input
- DTC P2127: Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input
- DTC P2128: Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
- DTC P2135: Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Rationality
- DTC P2138: Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Rationality
- General Diagnostic Table