Subaru Car 1998-05

2.2L H4 - Std 1

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2.2L H4 - Std

Trouble Code: P0106



Pressure Sensor Circuit Range/Performance

Possible Causes:



Check any other DTC on display
 
Check air intake system
 
Check pressure sensor
 
Check throttle position
 

Trouble Code: P0111



Intake Air Temperature Circuit Range/Performance

Possible Causes:



Check any other DTC on display
 
Check engine coolant temperature
 

Trouble Code: P0112



Intake Air Temperature Circuit Low Input

Possible Causes:



Using a scan tool, check current data
 
Check the harness between the sensor and the ECM connector
 

Trouble Code: P0113



Intake Air Temperature Circuit high Input

Possible Causes:



Using a scan tool, check current data
 
Check the harness between the sensor and the ECM connector
 

Trouble Code: P0118



Engine Coolant Temperature Sensor Circuit High Input

Possible Causes:



Using a scan tool, check current data
 
Check harness between sensor and ECM connector
 

Trouble Code: P0122



Throttle/Pedal Position Sensor/Switch -A- Circuit Low Input

Possible Causes:



Check sensor output
 
Check poor contact
 
Check harness between ECM and electronic throttle control (if equipped)
 

Trouble Code: P0125



Insufficient Coolant Temperature For Closed loop Fuel Control

Possible Causes:



Check any other DTC on display
 
Check tire size
 
Check engine coolant
 
Check thermostat
 

Trouble Code: P0131



O2 Sensor Circuit Low Voltage Bank 1 Sensor 1

Possible Causes:



Check harness between ECM and sensor
 

Trouble Code: P0132



O2 Sensor Circuit Low Voltage Bank 1 Sensor 1

Possible Causes:



Check harness between ECM and sensor
 

Trouble Code: P0136



Rear Oxygen Sensor Circuit Malfunction

Possible Causes:



Using a scan tool, check current data
 
Check the harness between the rear sensor and the ECM connector
 
Check the exhaust system
 

Trouble Code: P0170



Fuel Trim Malfunction

Possible Causes:



Check exhaust system
 
Check air intake system
 
Check fuel pressure
 
Check engine coolant
 
Check mass air flow sensor
 

Trouble Code: P0171



System Too Lean Bank 1

Possible Causes:



Check any other DTC on display
 
Check exhaust system
 
Check air intake system
 
Check fuel pressure
 
Check fuel injector
 
Check coolant temperature
 
Check intake manifold pressure sensor
 
Check intake air temperature sensor
 

Trouble Code: P0172



System Too Rich Bank 1

Possible Causes:



Check any other DTC on display
 
Check exhaust system
 
Check air intake system
 
Check fuel pressure
 
Check fuel injector
 
Check coolant temperature
 
Check intake manifold pressure sensor
 
Check intake air temperature sensor
 

Trouble Code: P0325



Knock Sensor 1 Circuit Malfunction

Possible Causes:



Check harness between knock sensor 1 and ECM connector
 
Check sensor
 
Check input signal of ECM
 

Trouble Code: P0341



Camshaft Position Sensor -A- Circuit Range/Performance Bank 1 or Single Sensor

Possible Causes:



Check any other DTC on display
 
Check harness between sensor connector and ECM
 
Check sensor installation and condition
 
Check the sensor
 
Check the cam sprocket
 
Check the installation and condition of the timing belt
 

Trouble Code: P0400



Exhaust Gas Recirculation Flow Malfunction

Possible Causes:



Check any other DTC on display
 
Check EGR control solenoid valve circuit
 
Check vacuum line
 
Check EGR system
 

Trouble Code: P0452



Evaporative Emission Control System Pressure Sensor Low Input

Possible Causes:



Using a scan tool, check current data
 
Check power supply to fuel tank pressure sensor
 
Check input signal to ECM
 
Check harness between ECM and coupling connector in rear wiring harness
 
Check fuel tank cord
 
Check the purge control solenoid valve
 
Check poor contact
 

Trouble Code: P0453



Evaporative Emission Control System Pressure Sensor Low Input

Possible Causes:



Using a scan tool, check current data
 
Check power supply to fuel tank pressure sensor
 
Check input signal to ECM
 
Check harness between ECM and coupling connector in rear wiring harness
 
Check fuel tank cord
 
Check poor contact
 
Check harness between ECM and fuel tank pressure sensor connector
 

Trouble Code: P0461



Evaporative Emission System Purge Control Valve Circuit High

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0462



Evaporative Emission Control System Leak Detected

Possible Causes:



Check speedometer and tachometer operation
 
Check input signal of ECM
 
Check input voltage from ECM
 
Check harness between ECM and combination meter connector
 
Check fuel tank cord
 
Check fuel level sensor
 
Check fuel sub level sensor
 

Trouble Code: P0463



Fuel Level Sensor -A- Circuit High

Possible Causes:



Check speedometer and tachometer operation
 
Check input signal of ECM
 
Check input voltage from ECM
 
Check harness between ECM and fuel tank cord
 
Check harness between fuel tank cord and ground
 
Check fuel tank cord
 
Check fuel level sensor
 
Check fuel sub level sensor
 

Trouble Code: P0480



Cooling Fan relay 1 Circuit Low Input

Possible Causes:



Check output signal from ECM
 
Check ground short circuit min radiator fan relay 1 control circuit
 
Check power supply for relay
 
Check main fan relay
 
Check for open circuit in main fan relay control circuit
 
Check poor contact
 

Trouble Code: P0483



Fan Rationality Check

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0715



Torque Converter Turbine Speed Sensor Circuit Malfunction

Possible Causes:



Using the a scan tool, read the data
 

Trouble Code: P0725



Engine Speed Input Circuit Malfunction

Possible Causes:



Using the a scan tool, read the data
 

Trouble Code: P1106



Engine Torque Control Signal 2 Circuit

Possible Causes:



Check input signal of ECM
 
Check poor contact
 
Check harness between ECM and TCM connector
 

Trouble Code: P1112



Atmospheric Pressure Sensor Circuit Range/Performance Problem

Possible Causes:



Check input signal for ECM
 
Check harness between ECM and pressure sensor connector
 
Check any other DTC on display
 
Check sensor filter
 
Using the a scan tool, check current data
 

Trouble Code: P1115



Engine Torque Control Cut Signal Circuit High Input

Possible Causes:



Check output signal from ECM
 
Check harness between ECM and TCM connector
 

Trouble Code: P1116



Engine Torque Control Cut Signal Circuit Low Input

Possible Causes:



Check output signal from ECM
 
Check harness between ECM and TCM connector
 

Trouble Code: P1130



Front Oxygen Sensor Circuit Malfunction

Possible Causes:



Check harness between ECM and sensor connector
 
Check poor contact
 

Trouble Code: P1131



Front Oxygen Sensor Circuit Malfunction (short circuit)

Possible Causes:



Check harness between ECM and sensor connector
 
Check output signal for ECM
 

Trouble Code: P1132



Front Oxygen Sensor Heater Circuit Low Input

Possible Causes:



Check any other DTC on display
 
Check power supply circuit of ECM
 
Check ground circuit of ECM
 
Check power supply of front sensor
 
Check sensor
 

Trouble Code: P1133



Front Oxygen Sensor Heater Circuit High Input

Possible Causes:



Check output signal from ECM
 
Check sensor heater current
 

Trouble Code: P1134



Front Oxygen Sensor Micro Computer Problem

Possible Causes:



Check any other DTC on display
 

Trouble Code: P1142



Throttle Position Sensor Circuit Range/Performance Problem (low input)

Possible Causes:



Check any other DTC on display
 

Trouble Code: P1151



Rear Oxygen Sensor Heater Circuit High Input

Possible Causes:



Check input signal for ECM
 
Check any other DTC on display
 

Trouble Code: P1443



Vent Control Solenoid Valve Function Problem

Possible Causes:



Check any other DTC on display
 
Check vent line hoses
 
Check drain valve operation
 

Trouble Code: P1505



Idle Control System Circuit High Input

Possible Causes:



Check throttle cable
 
Check output signal from ECM
 

Trouble Code: P1507



Idle Control System Malfunction (fail safe)

Possible Causes:



Check any other DTC on display
 
Check air intake system
 

Trouble Code: P1702



Automatic Transmission diagnosis Input Signal Circuit Malfunction

Possible Causes:



Check harness between TCM and CCM
 

 
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