Engine (Diagnostics) (H4SO)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Components Location
- Engine Control Module (ECM) I/O Signal
- Engine Condition Data
- Transmission Control Module (TCM) I/O Signal
- Data Link Connector
- OBD-II General Scan Tool
- Subaru Select Monitor
- Operation
- How To Use SUBARU Select Monitor
- Read Diagnostic Trouble Codes For Engine (Normal Mode)
- Read Diagnostic Trouble Codes For Engine (OBD Mode)
- Read Current Data For Engine (Normal Mode)
- Read Current Data For Engine (OBD Mode)
- Read Freeze Frame Data For Engine (OBD Mode)
- Led Operation Mode For Engine
- Read Current Data For At.
- Operation
- Read Diagnostic Trouble Code
- Inspection Mode
- Drive Cycle
- Clear Memory Mode
- Compulsory Valve Operation Check Mode
- Engine Malfunction Indicator Lamp (MIL)
- Procedure
- Activation Of Check Engine Malfunction Indicator Lamp (Mil)
- Check Engine Malfunction Indicator Lamp (Mil) Does Not Come On
- Check Engine Malfunction Indicator Lamp (Mil) Does Not Go Off
- Check Engine Malfunction Indicator Lamp (Mil) Does Not Blink At A Cycle Of 3 HZ
- Check Engine Malfunction Indicator Lamp (Mil) Remains Blinking At A Cycle Of 3 HZ
- Diagnostics for Engine Starting Failure
- List of Diagnostic Trouble Codes
- Diagnostic Procedure with Diagnostic Trouble Codes
- 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: Heater Control Circuit High (Bank 1 Sensor 2)
- DTC P0065: Air Assisted Injector Control Range/Performance
- DTC P0066: Air Assisted Injector Control Circuit Or Circuit Low
- DTC P0067: Air Assisted Injector Control Circuit High
- DTC P0068: Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
- 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 P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance
- 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: Barometric Pressure Too Low
- DTC P0130: O2 Sensor Circuit (Bank 1 Sensor 1)
- 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 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 P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 Or Single Sensor)
- DTC P0400: Exhaust Gas RECIRCULATION Flow
- 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 Leak Detected (Fuel Cap Loose/Off)
- 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 Lower Than Expected
- DTC P0512: Starter Request Circuit
- DTC P0519: Idle Air Control Circuit System Performance
- DTC P0565: Cruise Control On Signal
- DTC P0604: Internal Control Module Random Access Memory (Ram) Error
- DTC P0691: Cooling Fan 1 Control Circuit Low
- DTC P0692: Cooling Fan 1 Control Circuit High
- DTC P0703: Torque Converter/Brake Switch "B" Circuit
- DTC P0731: Gear 1 Incorrect Ratio
- DTC P0732: Gear 2 Incorrect Ratio
- DTC P0733: Gear 3 Incorrect Ratio
- DTC P0734: Gear 4 Incorrect Ratio
- DTC P0741: Torque Converter Clutch Circuit Performance Or Stuck Off
- DTC P0851: Neutral Switch Input Circuit Low (At Model)
- DTC P0851: Neutral Switch Input Circuit Low (Mt Model)
- DTC P0852: Neutral Switch Input Circuit High (Mt Model)
- DTC P0864: TCM Communication Circuit Range/Performance
- DTC P0865: TCM Communication Circuit Low
- DTC P0866: TCM Communication Circuit High
- DTC P1110: Atmospheric Pressure Sensor Circuit Malfunction (Low Input)
- DTC P1111: Atmospheric Pressure Sensor Circuit Malfunction (High Input)
- DTC P1134: A/F Sensor Micro-Computer Problem
- DTC P1137: 02 Sensor Circuit (Bank 1 Sensor 1)
- DTC P1400: Fuel Tank Pressure Control Solenoid Valve Circuit Low
- DTC P1420: Fuel Tank Pressure Control Solenoid 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 P1492: EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
- DTC P1493: EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input)
- DTC P1494: EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
- DTC P1495: EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input)
- DTC P1496: EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
- DTC P1497: EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input)
- DTC P1498: EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
- DTC P1499: EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input)
- DTC P1510: ISC Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
- DTC P1511: ISC Solenoid Valve Signal #1 Circuit Malfunction (High Input)
- DTC P1512: ISC Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
- DTC P1513: ISC Solenoid Valve Signal #2 Circuit Malfunction (High Input)
- DTC P1514: ISC Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
- DTC P1515: ISC Solenoid Valve Signal #3 Circuit Malfunction (High Input)
- DTC P1516: ISC Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
- DTC P1517: ISC Solenoid Valve Signal #4 Circuit Malfunction (High Input)
- DTC P1518: Starter Switch Circuit Low Input
- DTC P1560: Back-Up Voltage Circuit Malfunction
- DTC P1698: Engine Torque Control Cut Signal Circuit Malfunction (Low Input)
- DTC P1699: Engine Torque Control Cut Signal Circuit Malfunction (High Input)
- DTC P1711: Engine Torque Control Signal #1 Circuit Malfunction
- DTC P1712: Engine Torque Control Signal #2 Circuit Malfunction
- DTC P2096: Post Catalyst Fuel Trim System Too Lean Bank 1
- DTC P2097: Post Catalyst Fuel Trim System Too Rich Bank 1
- General Diagnostic Table