Subaru 2009 IMPREZA Service Manual page 504

DTC Item
P0111 Intake Air Temperature Sensor 1
Circuit Range/Performance
P0112 Intake Air Temperature Sensor 1
Circuit Low
P0113 Intake Air Temperature Sensor 1
Circuit High
P0117 Engine Coolant Temperature Circuit
Low
P0118 Engine Coolant Temperature Circuit
High
P0122 Throttle/Pedal Position Sensor/Switch
"A" Circuit Low
P0123 Throttle/Pedal Position Sensor/Switch
"A" Circuit High
P0125 Insufficient Coolant Temperature for
Closed Loop Fuel Control
P0126 Insufficient Engine Coolant Tempera-
ture for Stable Operation
P0128 Coolant Thermostat
(Engine Coolant Temperature Below
Thermostat Regulating Temperature)
P0131 O2 Sensor Circuit Low Voltage
(Bank 1 Sensor 1)
P0132 O2 Sensor Circuit High Voltage
(Bank 1 Sensor 1)
P0133 O2 Sensor Circuit Slow Response
(Bank 1 Sensor 1)
P0134 O2 Sensor Circuit No Activity
Detected (Bank 1 Sensor 1)
P0137 O2 Sensor Circuit Low Voltage
(Bank 1 Sensor 2)
P0138 O2 Sensor Circuit High Voltage
(Bank 1 Sensor 2)
P0139 O2 Sensor Circuit Slow Response
(Bank 1 Sensor 2)
P0140 O2 Sensor Circuit No Activity
Detected (Bank 1 Sensor 2)
P0171 System Too Lean (Bank 1)
List of Diagnostic Trouble Code (DTC)
<Ref. to EN(H4SO)(diag)-127, DTC P0111 INTAKE AIR TEMPERATURE
SENSOR 1 CIRCUIT RANGE/PERFORMANCE, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-129, DTC P0112 INTAKE AIR TEMPERATURE
SENSOR 1 CIRCUIT LOW, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)(diag)-131, DTC P0113 INTAKE AIR TEMPERATURE
SENSOR 1 CIRCUIT HIGH, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)(diag)-133, DTC P0117 ENGINE COOLANT TEMPERA-
TURE CIRCUIT LOW, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SO)(diag)-135, DTC P0118 ENGINE COOLANT TEMPERA-
TURE CIRCUIT HIGH, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SO)(diag)-137, DTC P0122 THROTTLE/PEDAL POSITION
SENSOR/SWITCH "A" CIRCUIT LOW, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-139, DTC P0123 THROTTLE/PEDAL POSITION
SENSOR/SWITCH "A" CIRCUIT HIGH, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-141, DTC P0125 INSUFFICIENT COOLANT TEM-
PERATURE FOR CLOSED LOOP FUEL CONTROL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-142, DTC P0126 INSUFFICIENT ENGINE COOL-
ANT TEMPERATURE FOR STABLE OPERATION, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-144, DTC P0128 COOLANT THERMOSTAT
(ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING
TEMPERATURE), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SO)(diag)-145, DTC P0131 O2 SENSOR CIRCUIT LOW
VOLTAGE (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(H4SO)(diag)-147, DTC P0132 O2 SENSOR CIRCUIT HIGH
VOLTAGE (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(H4SO)(diag)-149, DTC P0133 O2 SENSOR CIRCUIT SLOW
RESPONSE (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-151, DTC P0134 O2 SENSOR CIRCUIT NO ACTIV-
ITY DETECTED (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-153, DTC P0137 O2 SENSOR CIRCUIT LOW
VOLTAGE (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(H4SO)(diag)-155, DTC P0138 O2 SENSOR CIRCUIT HIGH
VOLTAGE (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(H4SO)(diag)-157, DTC P0139 O2 SENSOR CIRCUIT SLOW
RESPONSE (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-159, DTC P0140 O2 SENSOR CIRCUIT NO ACTIV-
ITY DETECTED (BANK1 SENSOR2), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)(diag)-161, DTC P0171 SYSTEM TOO LEAN (BANK 1),
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
EN(H4SO)(diag)-87
ENGINE (DIAGNOSTICS)
Reference