Subaru Legacy 2004 Service Manual page 826

ENGINE (DIAGNOSTICS)
17.List of Diagnostic Trouble Code (DTC)
A: LIST
1. EC, EK AND K4 MODEL
DTC
P0030 HO2S Heater Control Circuit (Bank 1
Sensor 1)
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/Baro-
metric Pressure Circuit Low Input
P0108 Manifold Absolute Pressure/Baro-
metric 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
P0125 Insufficient Coolant Temperature for
Closed Loop Fuel Control
P0131 O2 Sensor Circuit Low Voltage (Bank
1 Sensor 1)
List of Diagnostic Trouble Code (DTC)
Item
<Ref. to EN(H4SO 2.5)(diag)-80, DTC P0030 HO2S HEATER CONTROL
CIRCUIT (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-82, DTC P0031 HO2S HEATER CONTROL
CIRCUIT LOW (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-85, DTC P0032 HO2S HEATER CONTROL
CIRCUIT HIGH (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-87, DTC P0037 HO2S HEATER CONTROL
CIRCUIT LOW (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-90, DTC P0038 HO2S HEATER CONTROL
CIRCUIT HIGH (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-92, DTC P0102 MASS OR VOLUME AIR
FLOW CIRCUIT LOW INPUT, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-95, DTC P0103 MASS OR VOLUME AIR
FLOW CIRCUIT HIGH INPUT, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-97, DTC P0107 MANIFOLD ABSOLUTE
PRESSURE/BAROMETRIC PRESSURE CIRCUIT LOW INPUT, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-100, DTC P0108 MANIFOLD ABSOLUTE
PRESSURE/BAROMETRIC PRESSURE CIRCUIT HIGH INPUT, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-103, DTC P0112 INTAKE AIR TEMPERA-
TURE CIRCUIT LOW INPUT, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-105, DTC P0113 INTAKE AIR TEMPERA-
TURE CIRCUIT HIGH INPUT, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-108, DTC P0117 ENGINE COOLANT TEM-
PERATURE CIRCUIT LOW INPUT, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-110, DTC P0118 ENGINE COOLANT TEM-
PERATURE CIRCUIT HIGH INPUT, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-113, DTC P0122 THROTTLE/PEDAL POSI-
TION SENSOR/SWITCH "A" CIRCUIT LOW INPUT, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-116, DTC P0123 THROTTLE/PEDAL POSI-
TION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-119, DTC P0125 INSUFFICIENT COOLANT
TEMPERATURE FOR CLOSED LOOP FUEL CONTROL, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.5)(diag)-121, DTC P0131 O2 SENSOR CIRCUIT LOW
VOLTAGE (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
EN(H4SO 2.5)(diag)-70
NOTE