Engine Controls (Diagnostics) (STI)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Engine Control Module (ECM) I/O Signal
- Engine Condition Data
- Data Link Connector
- General Scan Tool
- Subaru Select Monitor
- Read Diagnostic Trouble Code (DTC)
- Inspection Mode
- Drive Cycle
- Procedure
- Notes
- Preparation For Drive Cycle
- Drive Cycle A - Drive The Vehicle With 80 Km/H (50 Mph) For 20 Minutes, And Then Idle The Engine For A Minute.)
- Drive Cycle B - 10 Minutes Idling
- Drive Cycle C - Drive The Vehicle With Following Drive Patterns
- Drive Cycle D
- Drive Cycle E
- Drive Cycle F
- Drive Cycle G
- Drive Cycle H
- Procedure
- Clear Memory Mode
- Compulsory Valve Operation Check Mode
- Malfunction Indicator Light
- Procedure
- Activation Of Malfunction Indicator Light
- Malfunction Indicator Light Does Not Come On
- Malfunction Indicator Light Does Not Go Off
- Malfunction Indicator Light Does Not Blink
- Malfunction Indicator Light Remains Blinking
- Diagnostics for Engine Starting Failure
- Starter Motor Circuit
- Check Power Supply And Ground Line Of Engine Control Module (ECM)
- Ignition Control System
- Fuel Pump Circuit
- Fuel Injector Circuit
- List of Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC P0011 Intake Camshaft Position - Timing Over-Advanced Or System Performance (Bank 1)
- DTC P0016 Crankshaft Position - Camshaft Position Correlation (Bank1)
- DTC P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2)
- DTC P0021 Intake 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 Map/MAF - Throttle Position Correlation
- 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 Sensor 1 Circuit Range/Performance
- DTC P0112 Intake Air Temperature Sensor 1 Circuit Low
- DTC P0113 Intake Air Temperature Sensor 1 Circuit High
- DTC P0117 Engine Coolant Temperature Circuit Low
- DTC P0118 Engine Coolant Temperature Circuit High
- DTC P0122 Throttle/Pedal Position Sensor/Switch "A" Circuit Low
- DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High
- DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0126 Insufficient Engine Coolant Temperature For Stable Operation
- DTC P0128 Coolant Thermostat (Engine Coolant Temperature Below Thermostat Regulating Temperature)
- 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 (Bank1 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 P0140 O2 Sensor Circuit No Activity Detected (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
- DTC P0223 Throttle/Pedal Position Sensor/Switch "B" Circuit High
- 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 (Bank 1 Or Single Sensor)
- DTC P0328 Knock Sensor 1 Circuit High (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 P0410 Secondary Air Injection System
- DTC P0411 Secondary Air Injection System Incorrect Flow Detected
- DTC P0413 Secondary Air Injection System Switching Valve "A" Circuit Open
- DTC P0414 Secondary Air Injection System Switching Valve "A" Circuit Shorted
- DTC P0418 Secondary Air Injection System Control "A" Circuit
- DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0441 Evaporative Emission System Incorrect Purge Flow
- 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
- 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 System Purge Control Valve Circuit Low
- DTC P0459 Evaporative Emission System Purge Control Valve Circuit High
- DTC P0461 Fuel Level Sensor "A" Circuit Range/Performance
- DTC P0462 Fuel Level Sensor "A" Circuit Low
- DTC P0463 Fuel Level Sensor "A" Circuit High
- DTC P0464 Fuel Level Sensor Circuit Intermittent
- DTC P0483 Fan Rationality Check
- DTC P0502 Vehicle Speed Sensor "A" Circuit Low Input
- DTC P0503 Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0506 Idle Air Control System Rpm Lower Than Expected
- DTC P0507 Idle Air Control System Rpm Higher Than Expected
- DTC P0512 Starter Request Circuit
- DTC P0519 Idle Air Control System Performance
- 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 (Bank1)
- DTC P0691 Fan 1 Control Circuit Low
- DTC P0692 Fan 1 Control Circuit High
- DTC P0851 Neutral Switch Input Circuit Low (Mt Model)
- DTC P0852 Neutral Switch Input Circuit High (Mt Model)
- DTC P1152 O2 Sensor Circuit Range/Performance (Low) (Bank 1 Sensor 1)
- DTC P1153 O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1)
- DTC P1400 Fuel Tank Pressure Control Solenoid Valve Circuit Low
- DTC P1410 Secondary Air Injection System Switching Valve Stuck Open
- DTC P1418 Secondary Air Injection System Control "A" Circuit Shorted
- DTC P1420 Fuel Tank Pressure Control Sol. Valve Circuit High
- DTC P1443 Vent Control Solenoid Valve Function Problem
- DTC P1491 Positive Crankcase Ventilation (Blow-By) Function Problem
- DTC P1518 Starter Switch Circuit Low Input
- DTC P1560 Back-Up Voltage Circuit Malfunction
- DTC P1602 Control Module Programming Error
- DTC P2004 Intake Manifold Runner Control Stuck Open (Bank 1)
- DTC P2005 Intake Manifold Runner Control Stuck Open (Bank 2)
- DTC P2006 Intake Manifold Runner Control Stuck Closed (Bank1)
- DTC P2007 Intake Manifold Runner Control Stuck Closed (Bank 2)
- DTC P2008 Intake Manifold Runner Control Circuit/Open (Bank1)
- DTC P2009 Intake Manifold Runner Control Circuit Low (Bank 1)
- DTC P2011 Intake Manifold Runner Control Circuit/Open (Bank 2)
- DTC P2012 Intake Manifold Runner Control Circuit Low (Bank 2)
- DTC P2016 Intake Manifold Runner Position Sensor / Switch Circuit Low (Bank 1)
- DTC P2017 Intake Manifold Runner Position Sensor / Switch Circuit High (Bank 1)
- DTC P2021 Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)
- DTC P2022 Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)
- DTC P2088 Intake Camshaft Position Actuator Control Circuit Low (Bank 1)
- DTC P2089 Intake Camshaft Position Actuator Control Circuit High (Bank 1)
- DTC P2092 Intake Camshaft Position Actuator Control Circuit Low (Bank 2)
- DTC P2093 Intake Camshaft Position Actuator Control Circuit High (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 Correlation
- DTC P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation
- DTC P2419 Evaporative Emission System Switching Valve Control Circuit Low
- DTC P2420 Evaporative Emission System Switching Valve Control Circuit High
- DTC P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance
- DTC P2432 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low
- DTC P2433 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High
- DTC P2441 Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
- DTC P2444 Secondary Air Injection System Pump Stuck On
- General Diagnostic Table