Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - ENGINE (DIAGNOSTICS) (H4SO)INSPECTION MODEPROCEDURENOTES
2005 Subaru Outback i, Standard
Inspection Mode: Procedure: Notes
2005 Subaru Outback i, StandardSECTION Notes
Carry out trouble diagnosis shown in the following DTC table.
When performing trouble diagnosis which is not shown in the DTC table, refer to the next item Drive cycle. < Ref. to , DRIVE CYCLE . >
DTC
| DTC | Item |
|---|---|
| P0031 | HO2S Heater Control Circuit Low (Bank 1 Sensor 1) |
| P0032 | HO2S Heater Control Circuit High (Bank 1 Sensor 1) |
| P0037 | HO2S Heater Control Circuit Low (Bank 1 Sensor 2) |
| P0038 | HO2S Heater Control Circuit High (Bank 1 Sensor 2) |
| P0102 | Mass or Volume Air Flow Circuit Low Input |
| P0103 | Mass or Volume Air Flow Circuit High Input |
| P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input |
| P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input |
| P0112 | Intake Air Temperature Circuit Low Input |
| P0113 | Intake Air Temperature Circuit High Input |
| P0117 | Engine Coolant Temperature Circuit Low Input |
| P0118 | Engine Coolant Temperature Circuit High Input |
| P0122 | Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input |
| P0123 | Throttle/Pedal Position Sensor/Switch "A" Circuit High Input |
| P0131 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) |
| P0132 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) |
| P0138 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) |
| P0181 | Fuel Temperature Sensor A |
| P0182 | Fuel Temperature Sensor "A" Circuit Low Input |
| P0183 | Fuel Temperature Sensor "A" Circuit High Input |
| P0222 | Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input |
| P0223 | Throttle/Pedal Position Sensor/Switch "B" Circuit High Input |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0327 | Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) |
| P0328 | Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) |
| P0335 | Crankshaft Position Sensor "A" Circuit |
| P0336 | Crankshaft Position Sensor "A" Circuit Range/Performance |
| P0340 | Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) |
| P0341 | Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor) |
| P0447 | Evaporative Emission Control System Vent Control Circuit Open |
| P0448 | Evaporative Emission Control System Vent Control Circuit Shorted |
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input |
| P0453 | Evaporative Emission Control System Pressure Sensor High Input |
| P0458 | Evaporative Emission Control System Purge Control Valve Circuit Low |
| P0461 | Fuel Level Sensor Performance |
| P0462 | Fuel Level Sensor Circuit Low Input |
| P0463 | Fuel Level Sensor Circuit High Input |
| P0500 | Vehicle Speed Sensor |
| P0512 | Starter Request Circuit |
| P0519 | Idle control system malfunction (Fail-Safe) |
| P0600 | CAN Communication Circuit |
| P0604 | Internal Control Module Random Access Memory (RAM) Error |
| P0605 | Internal Control Module Read Only Memory (ROM) Error |
| P0607 | Control Module Performance |
| P0638 | Throttle Actuator Control Range/Performance (Bank 1) |
| P0691 | Cooling Fan 1 Control Circuit Low |
| P0692 | Radiator Fun Relay 1 Circuit Malfunction |
| P0700 | Transmission Control System (MIL Request) |
| P0851 | Neutral Switch Input Circuit Low |
| P0852 | Neutral Switch Input Circuit High |
| P1152 | O2 Sensor Circuit Range/Performance (Low) (Bank1 Sensor1) |
| P1153 | O2 Sensor Circuit Range/Performance (High) (Bank1 Sensor1) |
| P1160 | Return Spring Failure |
| P1400 | Fuel Tank Pressure Control Solenoid Valve Circuit Low |
| P1420 | Fuel Tank Pressure Control Solenoid Valve Circuit High |
| P1446 | Fuel Tank Sensor Control Valve Circuit Low |
| P1447 | Fuel Tank Sensor Control Valve Circuit High |
| P1518 | Starter Switch Circuit Low Input |
| P1560 | Back-up Voltage Circuit Malfunction |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance |
| P2102 | Throttle Actuator Control Motor Circuit Low |
| P2103 | Throttle Actuator Control Motor Circuit High |
| P2109 | Throttle/Pedal Position Sensor A Minimum Stop Performance |
| P2122 | Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input |
| P2123 | Throttle/Pedal Position Sensor/Switch "D" Circuit High Input |
| P2127 | Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input |
| P2128 | Throttle/Pedal Position Sensor/Switch "E" Circuit High Input |
| P2135 | Throttle/Pedal Position Sensor/Switch "A" / "B" Voltage Rationality |
| P2138 | Throttle/Pedal Position Sensor/Switch "D" / "E" Voltage Rationality |
| P2227 | Barometric Pressure Circuit Range/Performance |
| P2228 | Barometric Pressure Sensor Circuit Low Input |
| P2229 | Barometric Pressure Sensor Circuit High Input |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.