Subaru Legacy 2004 Service Manual page 790

ENGINE (DIAGNOSTICS)
11.Inspection Mode
A: PROCEDURE
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 EN(H4SO 2.5)(diag)-39, Drive Cycle.>
DTC
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 O Sensor Circuit Low Voltage (Bank 1 Sensor 1)
2
P0132 O Sensor Circuit High Voltage (Bank 1 Sensor 1)
2
P0134 O Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
2
P0137 O Sensor Circuit Low Voltage (Bank 1 Sensor 2)
2
P0138 O Sensor Circuit High Voltage (Bank 1 Sensor 2)
2
P0171 System too Lean (Bank 1)
P0172 System too Rich (Bank 1)
P0222 Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input
P0223 Throttle/Pedal Position Sensor/Switch "B" Circuit High Input
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
P0340 Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
P0400 Exhaust Gas Recirculation Flow
P0458 Evaporative Emission Control System Purge Control Valve Circuit
Low
P0462 Fuel Level Sensor Circuit Low Input
P0463 Fuel Level Sensor Circuit High Input
P0500 Vehicle Speed Sensor
P0512 Starter Request Circuit
P0513 Incorrect Immobilizer Key
P0519 Idle Control System Malfunction (Fail-Safe)
P0558 Generator Circuit Low Input
P0600 Serial Communication Link
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 Cooling Fan 1 Control Circuit High
P0851 Neutral Switch Input Circuit Low
Inspection Mode
Item
EN(H4SO 2.5)(diag)-34
Condition
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